How can the harmonic balancer be checked and balanced to eliminate vibration in V6 engine on Chevrolet Caprice?

This procedure applies only to 231 cu in V6 engines, where the harmonic balancer can be checked for vibration and balanced to eliminate any vibration. To determine the engine speed at which a vibration occurs, use a tachometer. Place a small amount of body putty or similar material on the inside surface of the fan driving pulley, then run the engine at the speed during which the vibration occurred and note if it persists. Use varying amounts of putty and repeat the procedure until the vibration is decreased. When the vibration is considerably decreased or eliminated, mark the hole drilled in the balancer that is nearest to the putty. Cut a piece of 7/16 in iron rod to approximately a 1/2 in length and, using a chisel, upset a small amount of material on the side of the rod piece. Install the rod piece in the previously marked hole, and if necessary, install additional pieces of rod in the balancer until the vibration is gone.

What tools and procedures are required for installing a new harmonic balancer in V8 engine on Chevrolet Camaro?

This procedure calls for a new harmonic balancer bolt, which together with the balancer installation tools as well as the flywheel/drive plate ring gear holding tool are available from harmonic balancer tool makers only. First, take off the ground cable from the negative terminal of the battery, then the lug nuts of the front wheel, lift the front part of the car and support it on jack stands placing the parking brake. Pull off the wheels; then, in the interior, you get rid of the steering gear, splash shield, and drivebelt. Then there is a starter motor to be taken off, and what is called the flywheel/driveplate ring gear holder. For the models with manual transmission, draw a locating mark from the end of the crankshaft to the harmonic balancer, the balancer is not keyed or keywayed for positioning. Remove the balancer bolt and check the distance from the balancer to the end of the crankshaft snout for installation and installer should not put new harmonic balancer bolt and tighten without measuring the balancer for proper depth required for it. To remove the balancer, fitted on the crankshaft nose a three-jaw puller so that the jaws will grip only the hub and not the outer ring and to protect the threads use the correct adapter. It should be noted that on some models there may be a shift of weight balances from the former balancer to the new one. If present, fit the balancer washer, align the crankshaft pulley/balancer to the crankshaft and to the earlier made marks. For automatic transmission models, make certain the slot in the hub fits on the Woodruff key of the crankshaft. Slide in the harmonic balancer installation tool to fit the crankshaft pulley/balancer onto the crankshaft, as it is a fitting which cannot be done otherwise and then screw in the original bolt and tighten with an initial torque of 240 fl-lbs or 330 Nm. Once the old bolt has been taken out, double check the crankshaft snout end to balancer face measurement is correct as earlier measured; if not correct the measurement correctly. Last, replace the harmonic balancer bolt and fasten it in a clockwise direction with progressive tightening of 90 degrees in the three subsequent steps, in the total recommended torque with the proper rotational angle in the clockwise direction; reinstall the harmonic balancer in the reverse manner of the removal process.

How can the harmonic balancer be checked and balanced to eliminate vibration issues in V6 engine on Chevrolet El Camino?

This procedure applies solely to three point three liter V6 engines and can be used to check both vibration in the harmonic balancer and balance any problems. To know the frequency at which a vibration takes place, use a tachometer at theplace where the vibration is observed. Lay a small amount of body putty or a similar material to the internal periphery of the fan driving pulley, then rev up the engine to the speed that has been mentioned and check whether the vibration still exist. For the next attempts use different amount of putty and carry out the same procedure when the degree of vibration is experienced. When possible vibration is considerably reduced or quasi eliminated, the next operation is to mark the hole drilled in the balancer which is nearest to the putty. Take an iron rod of, for instance, a certain length and with the help of the chisel, remove a small quantity of material from one side of the rod piece. Screw in the rod piece on the previously selected hole and in the process if the vibration persists put in more pieces of rod in the balancer.

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Chevrolet Balancer Asm,Crankshaft
Part Number: 19300488
$113.11 MSRP: $195.11
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer; Vibration Damper
Fits the following Chevrolet Models:
- Avalanche | 2002-2013 | 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 | 2003-2020 | 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
- SSR | 2004-2006 | SPORT TRUCK | 8 Cyl 5.3L, 8 Cyl 6.0L
- Silverado | 1999-2019 | 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 ONLY), 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 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, 2000-2014 | 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 4 DOOR UTILITY, 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, 8 Cyl 6.0L Flex
- Tahoe | 2000-2014 | 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 | 2003-2009 | 4 DOOR, 4 DOOR EXT | 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Balancer Assembly, Cr/Shf
Part Number: 12697768
$62.49 MSRP: $107.81
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Product Specifications
- Replaces: 12626355, 12674685, 12603181
Fits the following Chevrolet Models:
- Camaro | 2022-2024 | 2 DOOR CONVERTIBLE HI PERFORMANCE, 2 DOOR CONVERTIBLE HIGH PERFORMANCE, 2 DOOR COUPE HI PERFORMANCE, 2 DOOR COUPE HIGH PERFORMANCE | 8 Cyl 6.2L
- Captiva Sport | 2012-2015 | SPORT LT FWD | 6 Cyl 3.0L
- Equinox | 2008-2017 | LT SUV, LTZ SUV, SS SUV AWD, SS SUV FWD, SUV AWD, SUV FWD, SUV LT AWD, SUV LT FWD | 6 Cyl 3.0L, 6 Cyl 3.6L
- Impala | 2012-2020 | LS, LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ, LTZ 4 DOOR NOTCHBACK | 6 Cyl 3.6L
- Malibu | 2008-2012 | 4 DOOR HYBRID, LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK | 6 Cyl 3.6L
- Traverse | 2009-2024 | 1LT/2LT EXTENDED 4 DOOR SUV, 1LZ/2LZ EXTENDED 4 DOOR SUV, LS EXTENDED 4 DOOR SUV, LT EXTENDED 4 DOOR SUV, LTZ EXTENDED 4 DOOR SUV, SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12674582
$165.47 MSRP: $282.93
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer; Balancer, Vibration Damper
- Replaces: 12620556, 12635649, 12601402
Fits the following Chevrolet Models:
- Corvette | 2008-2013 | 2 DOOR, CONVERTIBLE | 8 Cyl 6.2L
- SS | 2014-2017 | SS 4 DOOR SEDAN | 8 Cyl 6.2L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12684590
$82.98 MSRP: $141.89
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Product Specifications
- Other Name: Balancer Assembly, Cr/Shf; Crankshaft Pulley, Vibration Damper
- Replaces: 12620312, 12662037
Fits the following Chevrolet Models:
- Express | 2018 | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L
- 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 Balancer, Crankshaft
Part Number: 10224885
$64.37 MSRP: $106.52
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer
Fits the following Chevrolet Models:
- Astro | 1996-2005 | VAN ASTRO | 6 Cyl 4.3L
- Blazer | 1995-2005 | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
- C1500 | 1996-1998 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
- 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
- K1500 | 1996-1998 | K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
- 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
- S10 | 1995-2004 | CREW CAB, PICKUP, PICKUP EXTENDED CAB | 6 Cyl 4.3L
- Silverado | 1999-2013 | 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, 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, EXTENDED CAB 5'8" 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 | 6 Cyl 4.3L
- Suburban | 2001-2004, 1996-1998 | 1/2 TON, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD 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
- Tahoe | 1996-1998 | CLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 55565300
$61.48 MSRP: $148.84
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer; Balancer, Crankshaft Pulley, Vibration Damper
Fits the following Chevrolet Models:
- Cruze | 2012-2016 | LS 4 DOOR NOTCHBACK, LT / LTZ 4 DOOR NOTCHBACK | 4 Cyl 1.8L
- Sonic | 2012-2018 | 4 DOOR HATCHBACK, 4 DOOR NOTCHBACK, LS 4 DOOR NOTCHBACK/SEDAN, LS 5 DOOR HATCHBACK, LT 4 DOOR NOTCHBACK/SEDAN, LT 5 DOOR HATCHBACK, LTZ 4 DOOR NOTCHBACK/SEDAN, LTZ 5 DOOR HATCHBACK | 4 Cyl 1.8L
- Trax | 2015-2020 | LS 4 DOOR SPORT UTILITY, LT 4 DOOR SPORT UTILITY, LTZ 4 DOOR SPORT UTILITY | 4 Cyl 1.8L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12675620
$197.72 MSRP: $341.08
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer
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 Balancer Asm,Crankshaft
Part Number: 90537704
$135.17 MSRP: $233.18
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer
- Replaces: 12787628, 12623793
Fits the following Chevrolet Models:
- 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, 4 Cyl 2.4L
- 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
- Malibu | 2004-2012 | 4 DOOR HATCHBACK, 4 DOOR HYBRID, 4 DOOR NOTCHBACK, BASE 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 HATCHBACK, LTZ 4 DOOR NOTCHBACK, MAXX SS 4 DOOR HATCHBACK, SS 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 Balancer Assembly, Crankshaft
Part Number: 55574771
$109.54 MSRP: $187.32
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer; Balancer, Crankshaft Pulley, Vibration Damper
Fits the following Chevrolet Models:
- Cruze | 2011-2016 | LT / LTZ 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK | 4 Cyl 1.4L
- Sonic | 2015-2017 | LT 4 DOOR NOTCHBACK/SEDAN, LT 5 DOOR HATCHBACK, RS 4 DOOR NOTCHBACK/SEDAN, RS 5 DOOR HATCHBACK | 4 Cyl 1.4L
- Trax | 2015-2017 | LS 4 DOOR SPORT UTILITY, LT 4 DOOR SPORT UTILITY, LTZ 4 DOOR SPORT UTILITY | 4 Cyl 1.4L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12675716
$473.50 MSRP: $771.74
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Product Specifications
- Other Name: Balancer, Crank Pulley, Vibration Damper
- Replaces: 12599862
Fits the following Chevrolet Models:
- Camaro | 2014-2015 | SS 2 DOOR COUPE | 8 Cyl 7.0L
- Corvette | 2006-2013 | 2 DOOR, 2 DOOR SPECIAL, CONVERTIBLE | 8 Cyl 6.2L, 8 Cyl 7.0L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 10243271
$89.65 MSRP: $153.30
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer; Vibration Damper
Fits the following Chevrolet Models:
- C1500 | 1996-1999 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 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 5.7L
- 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 | 1996-2002 | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 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 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 | 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 5.7L
- 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 | 8 Cyl 5.7L
- Silverado | 2004-2007 | 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 137.0
- Suburban | 1996-1999 | 1/2 TON, 3/4 TON | 8 Cyl 5.7L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 25199421
$93.51 MSRP: $159.85
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Product Specifications
- Other Name: Balancer Assembly, Cr/Shf; Balancer, Crankshaft Pulley, Vibration Damper
- Replaces: 25199423
Fits the following Chevrolet Models:
- Cruze | 2013-2016 | LT / LTZ 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 Balancer Assembly, Crankshaft
Part Number: 25199420
$98.19 MSRP: $167.87
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Product Specifications
- Other Name: Balancer Assembly, Cr/Shf; Balancer, Vibration Damper
Fits the following Chevrolet Models:
- Cruze | 2011-2016 | LT / LTZ 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK | 4 Cyl 1.4L
- Sonic | 2015-2019 | 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 | 2015-2018 | LS 4 DOOR SPORT UTILITY, LT 4 DOOR SPORT UTILITY, LTZ 4 DOOR SPORT UTILITY | 4 Cyl 1.4L
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Chevrolet Balancer, Crankshaft
Part Number: 12603180
$61.28 MSRP: $104.78
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer
Fits the following Chevrolet Models:
- Colorado | 2015-2016 | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 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 | 6 Cyl 3.6L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12621646
$89.21 MSRP: $153.83
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer
- Replaces: 12581298, 12588034
Fits the following Chevrolet Models:
- Equinox | 2005-2009 | SS SUV AWD, SS SUV FWD, SUV AWD, SUV FWD, SUV LT AWD, SUV LT FWD | 6 Cyl 3.4L
- Impala | 2006-2011 | LS, LS POLICE CAR, LT, LT 3.5, LTZ, SS | 6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9L, 6 Cyl 3.9L Flex
- Malibu | 2004-2010 | 4 DOOR HATCHBACK, 4 DOOR HYBRID, 4 DOOR NOTCHBACK, BASE 4 DOOR NOTCHBACK, LS 4 DOOR HATCHBACK, LS 4 DOOR NOTCHBACK, LT 4 DOOR HATCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR HATCHBACK, LTZ 4 DOOR NOTCHBACK, MAXX SS 4 DOOR HATCHBACK, SS 4 DOOR NOTCHBACK | 6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9L
- Monte Carlo | 2006-2007 | LS, LT, SS | 6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9L
- Uplander | 2005-2009 | CROSSOVER SPORT VAN, CROSSOVER SPORT VAN EXTENDED, CROSSOVER SPORT VAN EXTENDED AWD | 6 Cyl 3.5L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex
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Chevrolet Balancer Assembly, Cr/Shf
Part Number: 25202078
$64.60 MSRP: $110.46
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Product Specifications
- Other Name: Balancer, Vibration Damper
- Replaces: 12657638, 12626962
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
- 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
- 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 Balancer Assembly, Cr/Shf
Part Number: 12680364
$77.12 MSRP: $131.85
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Product Specifications
- Other Name: Crankshaft Pulley, Vibration Damper
Fits the following Chevrolet Models:
- Express | 2019-2024 | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L, 8 Cyl 6.6L
- Silverado | 2019-2024 | 1 TON CREW CAB 6'6" BOX 1 TON, CREW 5'8" BOX 1/2 TON, CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 6'6" BOX 1/2 TON, 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 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 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 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON | 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl5.3L
- Suburban | 2021-2024 | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
- Tahoe | 2021-2024 | 4 DOOR 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
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Chevrolet Balancer Assembly, Cr/Shf
Part Number: 12697769
$90.93 MSRP: $156.85
You Save: $65.92 (43%)
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Product Specifications
- Other Name: Balancer, Vibration Damper
- Replaces: 12676778
Fits the following Chevrolet Models:
- Colorado | 2017-2022 | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" 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 | 6 Cyl 3.6L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12595291
$164.78 MSRP: $281.75
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer
- Replaces: 12623797
Fits the following Chevrolet Models:
- Impala | 2014 | LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK | 4 Cyl 2.4L
- Malibu | 2013-2014, 2008-2010 | 4 DOOR HYBRID, LS 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK, LTZ 4 DOOR NOTCHBACK | 4 Cyl 2.4L
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Chevrolet Balancer Assembly, Crankshaft
Part Number: 12551537
$83.84 MSRP: $202.98
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Product Specifications
- Other Name: BALANCER, Engine Crankshaft And Camshaft Balancer; Vibration Damper
- Replaces: 06272221, 6272221
Fits the following Chevrolet Models:
- Blazer | 1992-1994 | 1/2 TON
- C1500 | 1988-1995 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L
- C2500 | 1988-1995 | C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB | 8 Cyl 5.0L, 8 Cyl 5.7L
- C3500 | 1988-1991 | C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 EXTENDED CAB, C3500 REGULAR CAB | 8 Cyl 5.7L
- Camaro | 1985-1992 | 2 DOOR, RS 2 DOOR, RS CONVERTIBLE | 8 Cyl 5.0L, 8 Cyl 5.7L
- Corvette | 1984-1991 | 2 DOOR, CONVERTIBLE | 8 Cyl 5.7L
- G10 | 1987-1995 | 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER, 1/2 TON CARGO, 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER | 8 Cyl 5.0L, 8 Cyl 5.7L
- G20 | 1987-1995 | 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER | 8 Cyl 5.0L, 8 Cyl 5.7L
- G30 | 1987-1995 | 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER | 8 Cyl 5.7L
- K1500 | 1988-1995 | K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L
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Chevrolet Harmonic Balancer

At GMPartsGiant.com, we offer an extensive inventory of genuine Chevrolet Harmonic Balancers at competitive prices in the market. All our OEM Chevrolet Harmonic Balancers are backed by the manufacturer's warranty and will be shipped promptly to your doorstep. Rest assured, our hassle-free return policy is designed to support you throughout your shopping experience!

Chevrolet Harmonic Balancer Parts Questions & Experts Answers

Pulley, Crankshaft
14023148
Q: How can the harmonic balancer be checked and balanced to eliminate vibration in V6 engine on Chevrolet Caprice?
A: This procedure applies only to 231 cu in V6 engines, where the harmonic balancer can be checked for vibration and balanced to eliminate any vibration. To determine the engine speed at which a vibration occurs, use a tachometer. Place a small amount of body putty or similar material on the inside surface of the fan driving pulley, then run the engine at the speed during which the vibration occurred and note if it persists. Use varying amounts of putty and repeat the procedure until the vibration is decreased. When the vibration is considerably decreased or eliminated, mark the hole drilled in the balancer that is nearest to the putty. Cut a piece of 7/16 in iron rod to approximately a 1/2 in length and, using a chisel, upset a small amount of material on the side of the rod piece. Install the rod piece in the previously marked hole, and if necessary, install additional pieces of rod in the balancer until the vibration is gone.
Balancer Assembly, Crankshaft
12675716
Q: What tools and procedures are required for installing a new harmonic balancer in V8 engine on Chevrolet Camaro?
A: This procedure calls for a new harmonic balancer bolt, which together with the balancer installation tools as well as the flywheel/drive plate ring gear holding tool are available from harmonic balancer tool makers only. First, take off the ground cable from the negative terminal of the battery, then the lug nuts of the front wheel, lift the front part of the car and support it on jack stands placing the parking brake. Pull off the wheels; then, in the interior, you get rid of the steering gear, splash shield, and drivebelt. Then there is a starter motor to be taken off, and what is called the flywheel/driveplate ring gear holder. For the models with manual transmission, draw a locating mark from the end of the crankshaft to the harmonic balancer, the balancer is not keyed or keywayed for positioning. Remove the balancer bolt and check the distance from the balancer to the end of the crankshaft snout for installation and installer should not put new harmonic balancer bolt and tighten without measuring the balancer for proper depth required for it. To remove the balancer, fitted on the crankshaft nose a three-jaw puller so that the jaws will grip only the hub and not the outer ring and to protect the threads use the correct adapter. It should be noted that on some models there may be a shift of weight balances from the former balancer to the new one. If present, fit the balancer washer, align the crankshaft pulley/balancer to the crankshaft and to the earlier made marks. For automatic transmission models, make certain the slot in the hub fits on the Woodruff key of the crankshaft. Slide in the harmonic balancer installation tool to fit the crankshaft pulley/balancer onto the crankshaft, as it is a fitting which cannot be done otherwise and then screw in the original bolt and tighten with an initial torque of 240 fl-lbs or 330 Nm. Once the old bolt has been taken out, double check the crankshaft snout end to balancer face measurement is correct as earlier measured; if not correct the measurement correctly. Last, replace the harmonic balancer bolt and fasten it in a clockwise direction with progressive tightening of 90 degrees in the three subsequent steps, in the total recommended torque with the proper rotational angle in the clockwise direction; reinstall the harmonic balancer in the reverse manner of the removal process.
Pulley Assembly, (3 Groove 7.320 Pd)
560328
Q: How can the harmonic balancer be checked and balanced to eliminate vibration issues in V6 engine on Chevrolet El Camino?
A: This procedure applies solely to three point three liter V6 engines and can be used to check both vibration in the harmonic balancer and balance any problems. To know the frequency at which a vibration takes place, use a tachometer at theplace where the vibration is observed. Lay a small amount of body putty or a similar material to the internal periphery of the fan driving pulley, then rev up the engine to the speed that has been mentioned and check whether the vibration still exist. For the next attempts use different amount of putty and carry out the same procedure when the degree of vibration is experienced. When possible vibration is considerably reduced or quasi eliminated, the next operation is to mark the hole drilled in the balancer which is nearest to the putty. Take an iron rod of, for instance, a certain length and with the help of the chisel, remove a small quantity of material from one side of the rod piece. Screw in the rod piece on the previously selected hole and in the process if the vibration persists put in more pieces of rod in the balancer.

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