What are three ways to check the operation of the water pump while it's installed on Chevrolet Astro?

Water pump failure can lead to engine overheating and serious damage. There are three ways to check the operation of the water pump while it's installed on the engine. Firstly, start the engine and warm it up to normal operating temperature, then squeeze the upper radiator hose. If the water pump is functioning properly, a pressure surge should be felt upon releasing the hose. Secondly, check for leaks in the weep holes located at the top and bottom of the water pump snout. If coolant is leaking from these holes, it indicates a seal failure and the water pump should be replaced immediately to prevent shaft bearing failure. Additionally, an improperly tensioned drivebelt can cause premature wear of the water pump impeller shaft bearing. If a high-pitched squealing sound is heard from the water pump during engine operation, it signifies shaft bearing failure and the water pump should be replaced promptly. Lastly, excessive bearing wear can be identified by grasping the water pump pulley and attempting to move it up and down or from side to side. If the pulley can be moved in either direction, it indicates that the bearing is nearing the end of its service life and the water pump should be replaced.

How to replace the water pump on Chevrolet Caprice?

To replace the water pump, begin by disconnecting the negative battery cable and draining the radiator. Remove the fan and spacer (if any) by unfastening the fan bolts from the water pump hub, ensuring that a thermostatic fan clutch stays in in-car position. Next, remove bolts that hold the radiator shroud to the radiator and lift it out of engine compartment. Loosen two mounting bolts for alternator, one is an adjusting strap bolt in slotted bracket, and other is a long pivot bolt located below alternator. Push alternator inward to relieve tension on drive belt; then remove drive belt from alternator and water pump pulleys. Remove water pump pulley from hub. Completely remove alternator strap bolt, swing alternator away from water pump, and take off thermostat housing-secured alternator mounting bracket at top of engine with one of water pump's bolts. Disconnect wiring at back of alternator using identifying tape if necessary for reinstallation later on. Remove alternator pivot bolt and raise it up off the engine. Release 2 mounting bolts for air pump and detach bracket connected to water pump. Pull air-pump away from engine , or take off air-pump pulley to access bracket bolts as necessary still equipped with power steering Loosen adjusting bolt and completely remove pivot bolt passing through water pump so as to swing it out of way without causing harm to hoses-connecting it to engine block .Disconnect lower radiator hose along with heater hose as well as bypass hose (if present) from water pump housing.Remove remaining bolts securing water pump against front side of engine block; lift off water pump from engine compartment; transfer heater-hose fitting from old one onto new or rebuilt unit.Clean gasket surfaces on engines; apply thin coat of gasket sealer to new gaskets ; install them on new pumps.Put this pump onto engine properly by bolting down but do not torque-tighten because power steering pump bracket and air pump brackets have to be reinstalled before which use water pump bolts for attachment. Proceed to install the engine components in the reverse order of removal, tightening the appropriate fasteners to torque specifications, and adjust all drive belts to the proper tension. Finally, reconnect the negative battery cable, fill the radiator with a 50/50 mixture of ethylene glycol antifreeze and water, start the engine, and allow it to idle until the upper radiator hose becomes hot. Check for leaks and, with the engine hot, add more coolant mixture until it reaches the bottom of the filler neck. Install the radiator cap and monitor the coolant level during the first few miles of driving.

What are the recommended steps for replacing a water pump on Chevrolet Tracker?

On DOHC engines, it is recommended to drain the oil and remove the oil filter, as some water pump bolts are extremely difficult to reach with the oil filter installed. Drain the cooling system, and if the coolant is relatively new or in good condition, save it for reuse. Loosen the clamps and detach the hoses from the water pump; if they are stuck, grasp each hose near the end with adjustable pliers and twist to break the seal before pulling it off. If the hoses are deteriorated, cut them off and install new ones. Remove the cooling fan and shroud, followed by the drive belt(s) and the pulley at the end of the water pump shaft. On SOHC engines, remove all accessory brackets from the water pump, ensuring not to disconnect the hoses when removing the power steering pump and air conditioning compressor; tie the units aside with the hoses attached. Remove the timing belt and idler assembly on SOHC engines. For DOHC engines, disconnect the heater outlet hose, remove the heater outlet pipe bolt, and then remove the heater outlet pipe. Remove the water pump mounting bolts, noting the locations of various lengths and types for correct installation. Clean the bolt threads and threaded holes in the engine to remove corrosion and sealant. Compare the new pump to the old one to ensure they are identical, and remove all traces of old gasket material from the engine with a gasket scraper. Clean the engine and new water pump mating surfaces with lacquer thinner or acetone, then apply a thin coat of RTV sealant to the engine side of the new gasket and a thin layer to the gasket mating surface of the new pump. Carefully mate the gasket and the pump, slipping a couple of bolts through the pump mounting holes to hold the gasket in place. Attach the pump and gasket to the engine, threading the bolts into the holes finger tight, then install the remaining bolts, ensuring any accessory brackets are repositioned at this time. Tighten them to the specified torque without over-tightening to avoid distorting the pump, and finally, reinstall all parts removed for access to the pump.

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Chevrolet Water Pump Assembly (W/ Manifold)
Part Number: 12685257
$294.78 MSRP: $547.72
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Product Specifications
- Other Name: Pump Assembly, Water (W/ Manifold); Water Pump, Water Pump Assembly
- Replaces: 12674640, 12671394, 12681258
Fits the following Chevrolet Models:
- Silverado | 2014-2019 | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L
- Suburban | 2015-2020 | 1500 4 DOOR UTILITY | 8 Cyl 5.3L, 8 Cyl 6.2L
- Tahoe | 2015-2020 | 1500 4 DOOR UTILITY | 8 Cyl 5.3L, 8 Cyl 6.2L
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Chevrolet Water Pump Assembly (W/ Manifold)
Part Number: 12685731
$275.88 MSRP: $537.78
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Product Specifications
- Other Name: Pump Assembly, Water (W/ Manifold)
- Replaces: 12681259, 12678128, 12671752, 12670050
Fits the following Chevrolet Models:
- Corvette | 2015-2019 | 2 DOOR, 2 DOOR CONVERTIBLE, Z06 2 DOOR CONVERTIBLE, Z06 2 DOOR PLAINBACK | 8 Cyl 6.2L
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Chevrolet Water Pump Kit
Part Number: 12681417
$282.61 MSRP: $550.90
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump
- Replaced by: 19434033
Fits the following Chevrolet Models:
- Avalanche | 2007-2013 | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
- Colorado | 2009-2012 | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 8 Cyl 5.3L
- Express | 2007-2020 | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
- Silverado | 2007-2019 | 2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1/2 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex
- Suburban | 2016-2019, 2007-2014 | 1/2 TON, 3/4 TON, 3500 4 DOOR UTILITY | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
- Tahoe | 2007-2014 | 4 DOOR 1/2 TON | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
- Trailblazer | 2007-2009 | 4 DOOR | 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Water Pump Kit
Part Number: 55486342
$162.34 MSRP: $319.24
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump, Water Pump Assembly
- Replaces: 25192709, 55599494, 55595610, 55587345, 55486344, 55561623, 55579016
Fits the following Chevrolet Models:
- Cruze | 2011-2016 | LT / LTZ 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK | 4 Cyl 1.4L
- Sonic | 2012-2020 | 4 DOOR HATCHBACK, 4 DOOR NOTCHBACK, LS 4 DOOR NOTCHBACK/SEDAN, LT 4 DOOR NOTCHBACK/SEDAN, LT 5 DOOR HATCHBACK, LTZ 4 DOOR NOTCHBACK/SEDAN, LTZ 5 DOOR HATCHBACK, RS 4 DOOR NOTCHBACK/SEDAN, RS 5 DOOR HATCHBACK | 4 Cyl 1.4L
- Trax | 2015-2021 | LS 4 DOOR SPORT UTILITY, LT 4 DOOR SPORT UTILITY, LTZ 4 DOOR SPORT UTILITY | 4 Cyl 1.4L
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Chevrolet Pump Kit, Wat
Part Number: 12703898
$186.80 MSRP: $364.18
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Product Specifications
- Other Name: Water Pump
- Replaces: 12681184, 12686763, 19256261
Fits the following Chevrolet Models:
- Avalanche | 2002-2006 | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex
- Express | 2003-2006 | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
- SSR | 2004-2006 | SPORT TRUCK | 8 Cyl 5.3L, 8 Cyl 6.0L
- Silverado | 1999-2006 | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
- Suburban | 2000-2006 | 1/2 TON, 1500 CREW CAB, 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, 4 DOOR 1/2 TON, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, EXT 1/2 TON, EXT 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
- Tahoe | 2000-2006 | 4 DOOR 1/2 TON | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex
- Trailblazer | 2003-2006 | 4 DOOR, 4 DOOR EXT | 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Water Pump Assembly
Part Number: 12630084
$198.43 MSRP: $386.80
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Product Specifications
- Other Name: Pump Assembly, Water ; Pump, Engine Coolant; Water Pump
- Replaces: 12585226, 12591894, 12624936, 19181920, 24467301, 24439798
Fits the following Chevrolet Models:
- Captiva Sport | 2012-2015 | SPORT LS FWD, SPORT LT FWD | 4 Cyl 2.4L
- Cavalier | 2002-2005 | 2 DOOR, 4 DOOR | 4 Cyl 2.2L, 4 Cyl 2.2L Flex
- Cobalt | 2005-2010 | 2 DOOR, 4 DOOR, LEVEL 4 PERFORMANCE (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 4 DOOR, LEVEL ONE (LS) 2 DOOR, LEVEL ONE (LS) 4 DOOR, LEVEL THREE (SS) 2 DOOR, LEVEL THREE (SS) 4 DOOR, LEVEL TWO (LT) 2 DOOR, LEVEL TWO (LT) 4 DOOR | 4 Cyl 2.0L, 4 Cyl 2.2L
- Equinox | 2010-2017 | LS SUV, LT SUV, LTZ SUV | 4 Cyl 2.4L
- HHR | 2006-2011 | 5 DOOR HIGH ROOF HATCHBACK, 5 DOOR HIGH ROOF HATCHBACK SS, 5 DOOR HIGH ROOF PANEL, 5 DOOR HIGH ROOF PANEL SS, 5 DOOR UPLEVEL HIGH ROOF HATCHBACK, 5 DOOR UPLEVEL HIGH ROOF PANEL | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 4 Cyl 2.4L
- Impala | 2014 | LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK | 4 Cyl 2.4L
- Malibu | 2008-2014, 2004-2005 | 4 DOOR HATCHBACK, 4 DOOR HYBRID, 4 DOOR NOTCHBACK, CLASSIC 4 DOOR NOTCHBACK, LS 4 DOOR HATCHBACK, LS 4 DOOR NOTCHBACK, LT 4 DOOR HATCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK | 4 Cyl 2.2L, 4 Cyl 2.4L
- Orlando | 2012-2014 | LS 4 DOOR HIGH ROOF WAGON, LT 4 DOOR HIGH ROOF WAGON, LTZ 4 DOOR HIGH ROOF WAGON | 4 Cyl 2.4L
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Chevrolet Water Pump Assembly
Part Number: 12637105
$240.46 MSRP: $472.89
You Save: $232.43 (50%)
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Product Specifications
- Other Name: Pump Assembly, Water ; Pump, Engine Coolant; Water Pump
- Replaces: 98098889, 97372515, 98031233
Fits the following Chevrolet Models:
- Express | 2006-2016 | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
- Silverado | 2006-2016 | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
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Chevrolet Engine Coolant Pump Kit
Part Number: 19209288
$127.45 MSRP: $250.62
You Save: $123.17 (50%)
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Product Specifications
- Other Name: Pump Kit,Water; Fan Blade, Water Pump, Water Pump Assembly
- Replaces: 89017813, 89060462, 12482903, 12537829, 89018214
Fits the following Chevrolet Models:
- Camaro | 1995-2002 | 2 DOOR, CONVERTIBLE | 6 Cyl 3.8L
- Impala | 2000-2005 | IMPALA, LS, LT, POLICE CAR, SS | 6 Cyl 3.8L
- Lumina | 1998-1999, 1992-1995 | APV, APV CARGO, LS, LTZ, LUMINA, Z34 | 6 Cyl 3.8L
- Monte Carlo | 1998-2005 | IMPALA, LS, LT, LTZ, LUMINA, POLICE CAR, SS, Z34 | 6 Cyl 3.8L
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Chevrolet Engine Coolant Pump Kit
Part Number: 89060527
$229.38 MSRP: $447.13
You Save: $217.75 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Kit,Water; Water Pump, Water Pump Assembly
- Replaces: 12528917, 89017748, 12532528
Fits the following Chevrolet Models:
- Astro | 1996-2005 | VAN ASTRO | 6 Cyl 4.3L
- Blazer | 1996-2005 | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
- C1500 | 1996-1999 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
- C2500 | 1996-2000 | C2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB | 8 Cyl 5.0L, 8 Cyl 5.7L
- C3500 | 1996-2000 | C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB | 8 Cyl 5.7L
- Express | 1996-2014 | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
- K1500 | 1996-1999 | K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
- K2500 | 1996-2000 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 8 Cyl 5.0L, 8 Cyl 5.7L
- K3500 | 1996-2000 | K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB | 8 Cyl 5.7L
- P30 | 1996-1999 | CHASSIS 1 TON MOTOR HOME HEAVY DUTY, CHASSIS DELIVERY, CHASSIS DELIVERY CUTAWAY, CHASSIS MOTOR HOME, CHASSIS MOTOR HOME CUTAWAY, MOTOR HOME CHASSIS 1 TON | 6 Cyl 4.3L
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Chevrolet Engine Coolant Pump Kit
Part Number: 19207665
$229.27 MSRP: $450.84
You Save: $221.57 (50%)
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Product Specifications
- Other Name: Pump Kit,Water ; Pump Kit, Engine Coolant; Water Pump
Fits the following Chevrolet Models:
- Camaro | 2010-2015 | SS 2 DOOR CONVERTIBLE, SS 2 DOOR COUPE | 8 Cyl 6.2L
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Chevrolet Engine Coolant Pump Kit
Part Number: 19180610
$242.39 MSRP: $472.52
You Save: $230.13 (49%)
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Product Specifications
- Other Name: Pump Kit,Water; Water Pump, Water Pump Assembly
Fits the following Chevrolet Models:
- Camaro | 2012-2015 | SS 2 DOOR CONVERTIBLE, SS 2 DOOR COUPE | 8 Cyl 6.2L
- Corvette | 2009-2013 | 2 DOOR, 2 DOOR SPECIAL, CONVERTIBLE | 8 Cyl 6.2L, 8 Cyl 7.0L
- SS | 2014-2017 | SS 4 DOOR SEDAN | 8 Cyl 6.2L
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Chevrolet Water Pump Kit
Part Number: 12687616
$121.13 MSRP: $236.12
You Save: $114.99 (49%)
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump
- Replaces: 12683013
Fits the following Chevrolet Models:
- Corvette | 2014-2019 | 2 DOOR, 2 DOOR CONVERTIBLE, Z06 2 DOOR CONVERTIBLE, Z06 2 DOOR PLAINBACK | 8 Cyl 6.2L
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Chevrolet Pump Assembly, Wat
Part Number: 25201450
$235.85 MSRP: $455.77
You Save: $219.92 (49%)
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Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Replaces: 12657198, 12663910, 12653661, 12690252
Fits the following Chevrolet Models:
- Blazer | 2019-2021 | L 4 DOOR SUV, LT 4 DOOR SUV | 4 Cyl 2.5L
- Camaro | 2016-2023 | 2 DOOR CONVERTIBLE 1LS/1LT, 2 DOOR CONVERTIBLE 1LT, 2 DOOR CONVERTIBLE 2LT, 2 DOOR COUPE 1LS/1LT, 2 DOOR COUPE 1LT, 2 DOOR COUPE 2LT | 4 Cyl 2.0L
- Equinox | 2018-2020 | 4 DOOR LT , 4 DOOR LTZ | 4 Cyl 2.0L
- Impala | 2014-2019 | LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK | 4 Cyl 2.5L
- Malibu | 2013-2022 | LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK | 4 Cyl 2.0L, 4 Cyl 2.5L
- Traverse | 2018-2019 | LT EXTENDED 4 DOOR SUV | 4 Cyl 2.0L
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Chevrolet Pump Kit, Wat
Part Number: 12707180
$116.85 MSRP: $227.79
You Save: $110.94 (49%)
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Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Replaces: 12672035
Fits the following Chevrolet Models:
- Blazer | 2019-2024 | HIGH COUNTRY/LTZ 4 DOOR SUV, LT 4 DOOR SUV, RS 4 DOOR SUV | 6 Cyl 3.6L
- Camaro | 2016-2020 | 2 DOOR CONVERTIBLE 1LS/1LT, 2 DOOR CONVERTIBLE 1LT, 2 DOOR CONVERTIBLE 2LT, 2 DOOR COUPE 1LS/1LT, 2 DOOR COUPE 1LT, 2 DOOR COUPE 2LT | 6 Cyl 3.6L
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Chevrolet Water Pump Assembly
Part Number: 12680257
$144.32 MSRP: $283.80
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Product Specifications
- Other Name: Pump Assembly, Water; Water Pump
- Replaces: 12671460
Fits the following Chevrolet Models:
- Silverado | 2017-2024 | 1 TON CREW CAB 6'6" BOX 1 TON, 2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
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Chevrolet Pump Assembly, Wat
Part Number: 25201452
$247.81 MSRP: $483.07
You Save: $235.26 (49%)
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Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Replaces: 12657088, 12663909, 12690253
Fits the following Chevrolet Models:
- Colorado | 2015-2022 | CREW CAB - 5'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 4 Cyl 2.5L
- Malibu | 2013 | LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK | 4 Cyl 2.5L
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Chevrolet Water Pump Kit
Part Number: 12687615
$118.26 MSRP: $230.54
You Save: $112.28 (49%)
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump
- Replaced by: 19431949
Fits the following Chevrolet Models:
- Camaro | 2016-2024 | 2 DOOR CONVERTIBLE 1SS, 2 DOOR CONVERTIBLE 2SS, 2 DOOR COUPE 1SS, 2 DOOR COUPE 2SS | 8 Cyl 6.2L
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Chevrolet Pump Kit, Wat
Part Number: 12710208
$295.12 MSRP: $575.31
You Save: $280.19 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Replaces: 12681186, 19303456, 89017457, 12686762, 89018052, 89017592, 19434778
Fits the following Chevrolet Models:
- Camaro | 2014-2015 | SS 2 DOOR COUPE | 8 Cyl 7.0L
- Corvette | 2005-2008 | 2 DOOR, 2 DOOR SPECIAL, CONVERTIBLE | 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 7.0L
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Chevrolet Generator Control Module Coolant Pump
Part Number: 84653457
$116.18 MSRP: $183.59
You Save: $67.41 (37%)
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Product Specifications
- Other Name: Pump Assembly, Gen Cont Mdl Cool; Auxiliary Pump
- Replaced by: 86591535
Fits the following Chevrolet Models:
- Silverado | 2020-2024 | 1 TON CREW CAB 6'6" BOX 1 TON, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
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Chevrolet Pump Assembly, Wat
Part Number: 12708893
$221.05 MSRP: $398.28
You Save: $177.23 (45%)
Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Replaced by: 12724892
Fits the following Chevrolet Models:
- Silverado | 2019-2022 | CREW 5'8" BOX 1/2 TON, CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl5.3L
- Suburban | 2021 | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
- Tahoe | 2021 | 4 DOOR 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
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Chevrolet Water Pump

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Chevrolet Water Pump Parts Questions & Experts Answers

Engine Coolant Pump Kit
89060527
Q: What are three ways to check the operation of the water pump while it's installed on Chevrolet Astro?
A: Water pump failure can lead to engine overheating and serious damage. There are three ways to check the operation of the water pump while it's installed on the engine. Firstly, start the engine and warm it up to normal operating temperature, then squeeze the upper radiator hose. If the water pump is functioning properly, a pressure surge should be felt upon releasing the hose. Secondly, check for leaks in the weep holes located at the top and bottom of the water pump snout. If coolant is leaking from these holes, it indicates a seal failure and the water pump should be replaced immediately to prevent shaft bearing failure. Additionally, an improperly tensioned drivebelt can cause premature wear of the water pump impeller shaft bearing. If a high-pitched squealing sound is heard from the water pump during engine operation, it signifies shaft bearing failure and the water pump should be replaced promptly. Lastly, excessive bearing wear can be identified by grasping the water pump pulley and attempting to move it up and down or from side to side. If the pulley can be moved in either direction, it indicates that the bearing is nearing the end of its service life and the water pump should be replaced.
Water Pump Kit
12685965
Q: How to replace the water pump on Chevrolet Caprice?
A: To replace the water pump, begin by disconnecting the negative battery cable and draining the radiator. Remove the fan and spacer (if any) by unfastening the fan bolts from the water pump hub, ensuring that a thermostatic fan clutch stays in in-car position. Next, remove bolts that hold the radiator shroud to the radiator and lift it out of engine compartment. Loosen two mounting bolts for alternator, one is an adjusting strap bolt in slotted bracket, and other is a long pivot bolt located below alternator. Push alternator inward to relieve tension on drive belt; then remove drive belt from alternator and water pump pulleys. Remove water pump pulley from hub. Completely remove alternator strap bolt, swing alternator away from water pump, and take off thermostat housing-secured alternator mounting bracket at top of engine with one of water pump's bolts. Disconnect wiring at back of alternator using identifying tape if necessary for reinstallation later on. Remove alternator pivot bolt and raise it up off the engine. Release 2 mounting bolts for air pump and detach bracket connected to water pump. Pull air-pump away from engine , or take off air-pump pulley to access bracket bolts as necessary still equipped with power steering Loosen adjusting bolt and completely remove pivot bolt passing through water pump so as to swing it out of way without causing harm to hoses-connecting it to engine block .Disconnect lower radiator hose along with heater hose as well as bypass hose (if present) from water pump housing.Remove remaining bolts securing water pump against front side of engine block; lift off water pump from engine compartment; transfer heater-hose fitting from old one onto new or rebuilt unit.Clean gasket surfaces on engines; apply thin coat of gasket sealer to new gaskets ; install them on new pumps.Put this pump onto engine properly by bolting down but do not torque-tighten because power steering pump bracket and air pump brackets have to be reinstalled before which use water pump bolts for attachment. Proceed to install the engine components in the reverse order of removal, tightening the appropriate fasteners to torque specifications, and adjust all drive belts to the proper tension. Finally, reconnect the negative battery cable, fill the radiator with a 50/50 mixture of ethylene glycol antifreeze and water, start the engine, and allow it to idle until the upper radiator hose becomes hot. Check for leaks and, with the engine hot, add more coolant mixture until it reaches the bottom of the filler neck. Install the radiator cap and monitor the coolant level during the first few miles of driving.
Engine Coolant Pump
91177756
Q: What are the recommended steps for replacing a water pump on Chevrolet Tracker?
A: On DOHC engines, it is recommended to drain the oil and remove the oil filter, as some water pump bolts are extremely difficult to reach with the oil filter installed. Drain the cooling system, and if the coolant is relatively new or in good condition, save it for reuse. Loosen the clamps and detach the hoses from the water pump; if they are stuck, grasp each hose near the end with adjustable pliers and twist to break the seal before pulling it off. If the hoses are deteriorated, cut them off and install new ones. Remove the cooling fan and shroud, followed by the drive belt(s) and the pulley at the end of the water pump shaft. On SOHC engines, remove all accessory brackets from the water pump, ensuring not to disconnect the hoses when removing the power steering pump and air conditioning compressor; tie the units aside with the hoses attached. Remove the timing belt and idler assembly on SOHC engines. For DOHC engines, disconnect the heater outlet hose, remove the heater outlet pipe bolt, and then remove the heater outlet pipe. Remove the water pump mounting bolts, noting the locations of various lengths and types for correct installation. Clean the bolt threads and threaded holes in the engine to remove corrosion and sealant. Compare the new pump to the old one to ensure they are identical, and remove all traces of old gasket material from the engine with a gasket scraper. Clean the engine and new water pump mating surfaces with lacquer thinner or acetone, then apply a thin coat of RTV sealant to the engine side of the new gasket and a thin layer to the gasket mating surface of the new pump. Carefully mate the gasket and the pump, slipping a couple of bolts through the pump mounting holes to hold the gasket in place. Attach the pump and gasket to the engine, threading the bolts into the holes finger tight, then install the remaining bolts, ensuring any accessory brackets are repositioned at this time. Tighten them to the specified torque without over-tightening to avoid distorting the pump, and finally, reinstall all parts removed for access to the pump.