How to remove and inspect Camshaft,Lash Adjuster and Rocker Arm in inline engine on Chevrolet Colorado?

A special camshaft holding tool (GM# J-44221 or equivalent) is required for this procedure. After removing the cam sprocket, do not rotate the crankshaft to avoid incorrect timing and potential engine damage. Begin by removing the valve cover and the spark plugs to facilitate engine rotation. Rotate the engine until the sprocket alignment marks are aligned with a dark chain link, ensuring the nats at the rear of the camshafts are facing up. Remove the camshaft sprocket bolts and carefully detach the sprockets from the camshafts, taking care not to remove them from the chain and suspending them to prevent the chain from coming off the crankshaft sprocket. Check the camshaft caps for markings and mark them with paint if necessary before removal. Remove the camshaft cap bolts gradually until they can be taken out, then extract the camshafts, keeping them separated to avoid mixing them up. The rocker arms and lash adjusters can be lifted out if needed, and these parts should be laid out in order for reinstallation. After cleaning the camshafts, inspect each for scored journals, heat discoloration, score marks, chipped areas, pitting, uneven wear, damaged locator pin slots, and damaged threads. Measure the bearing journals with a micrometer to check for excessive wear or out-of-round conditions. Compare the camshaft lobe heights by measuring each lobe with a micrometer, recording the measurements for both intake and exhaust lobes separately; if the difference exceeds 0.005 inch, the camshaft should be replaced. If removed, soak the lash adjusters and rocker arms in clean engine oil before reinstalling them in their original locations. Coat the camshaft with clean engine oil and place it in the correct position in the cylinder head, then install the camshaft holding tool. Install all camshaft caps in their original locations and hand tighten them, then evenly tighten the caps to the specified torque, working from the center out. Remove the holding fixture, place the sprockets onto the camshafts, and tighten the bolts to the specified torque. Using a large breaker bar and socket on the crankshaft pulley bolt, rotate the crankshaft 720 degrees and re-check the sprocket and chain alignment, ensuring the darkened links align with the sprocket marks; if resistance is felt while turning the crankshaft, stop immediately to diagnose the issue. Finally, install the spark plugs and the valve cover.

Genuine Chevrolet Colorado Camshaft

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Chevrolet Colorado Camshaft Assembly, Overhead Vlv
Part Number: 12689035
$215.71 MSRP: $522.40
You Save: $306.69 (59%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Camshaft
- Replaces: 12625437, 12593205
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 8 Cyl 5.3L
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Chevrolet Colorado Camshaft, Exhaust (Machining)
Part Number: 24100366
$141.15 MSRP: $223.10
You Save: $81.95 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 5 Cyl 3.5L, 5 Cyl 3.7L
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Chevrolet Colorado Camshaft Assembly, Intake
Part Number: 12638651
$110.83 MSRP: $174.39
You Save: $63.56 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 Chevrolet Colorado | 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
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Chevrolet Colorado Camshaft, Intake (Machining)
Part Number: 12586532
$113.15 MSRP: $178.82
You Save: $65.67 (37%)
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Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 5 Cyl 3.7L
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Chevrolet Colorado Camshaft Assembly, Exhaust
Part Number: 12627159
$200.47 MSRP: $345.83
You Save: $145.36 (43%)
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Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Replaced by: 28290131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 Chevrolet Colorado | 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
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Chevrolet Colorado Camshaft Assembly, Exhaust
Part Number: 12677833
$69.19 MSRP: $108.88
You Save: $39.69 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Assembly, Exh; Camshaft
- Replaces: 12647877
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Colorado | 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 Colorado Camshaft Assembly, Int
Part Number: 12687189
$72.99 MSRP: $116.38
You Save: $43.39 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft
- Replaces: 12677825, 12647869
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Colorado | 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 Colorado Camshaft, Exhaust
Part Number: 12632270
$49.62 MSRP: $120.12
You Save: $70.50 (59%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 Chevrolet Colorado | 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 Colorado Camshaft Assembly, Intake
Part Number: 12677826
$74.60 MSRP: $117.39
You Save: $42.79 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Assembly, Int; Camshaft
- Replaces: 12647875
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Colorado | 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 Colorado CAMSHAFT ASM-EXH
Part Number: 12703450
$414.45 MSRP: $654.90
You Save: $240.45 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft
- Replaces: 12663563, 12697973, 12697972
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Colorado | CREW CAB - 5'2" BOX, LS CREW CAB - 5'2" BOX, LS CREW CAB-5'2" BOX(I), LT CREW CAB - 5'2" BOX, LT CREW CAB-5'2" BOX(I), LTZ CREW CAB-5'2" BOX, SPORT CREW-5'2" BOX(NA) | 4 Cyl 2.7L
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Chevrolet Colorado Camshaft, Exhaust (Machining)
Part Number: 12565557
$122.21 MSRP: $193.15
You Save: $70.94 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 4 Cyl 2.8L, 4 Cyl 2.9L
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Chevrolet Colorado Camshaft Assembly, Int
Part Number: 12698637
$98.55 MSRP: $155.03
You Save: $56.48 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft
- Replaces: 12698636, 12663557
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Colorado | CREW CAB - 5'2" BOX, LS CREW CAB - 5'2" BOX, LS CREW CAB-5'2" BOX(I), LT CREW CAB - 5'2" BOX, LT CREW CAB-5'2" BOX(I), LTZ CREW CAB-5'2" BOX, SPORT CREW-5'2" BOX(NA) | 4 Cyl 2.7L
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Chevrolet Colorado Camshaft Assembly, Exhaust
Part Number: 12677832
$69.19 MSRP: $108.87
You Save: $39.68 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft Assembly, Exh; Camshaft
- Replaces: 12647871
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Colorado | 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 Colorado Camshaft,Intake
Part Number: 12632272
$80.01 MSRP: $125.85
You Save: $45.84 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 Chevrolet Colorado | 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
View related parts
Chevrolet Colorado Camshaft Assembly, Intake
Part Number: 12646602
$230.00 MSRP: $363.45
You Save: $133.45 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2022 Chevrolet Colorado | 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 | 4 Cyl 2.8L Diesel
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Chevrolet Colorado Camshaft Assembly, Exhaust
Part Number: 12642853
$230.20 MSRP: $363.77
You Save: $133.57 (37%)
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2022 Chevrolet Colorado | 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 | 4 Cyl 2.8L Diesel
View related parts
Chevrolet Colorado Camshaft, Intake (Machining)
Part Number: 12565555
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 4 Cyl 2.8L
View related parts
Chevrolet Colorado Camshaft,Intake
Part Number: 12632275
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 Chevrolet Colorado | 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
View related parts
Chevrolet Colorado Camshaft, Intake (Machining)
Part Number: 12586531
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 4 Cyl 2.9L
View related parts
Chevrolet Colorado Camshaft, Exhaust
Part Number: 12632274
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 Chevrolet Colorado | 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 Colorado Camshaft

Camshaft in Chevrolet Colorado automobile ensures and controls the timing and periods of opening and closing the intake and exhaust valves on the grounds of the geometric formations of its lobes. This component plays a vital role of converting rotary movement into linear movement hence reducing the operating range of the engine rpm and overall efficiency. Types including OHV and DOHC have been implemented into different models of Chevrolet Colorado with different layouts impacting on their performance. Chevrolet Colorado camshafts can be categorized into two main types based on the valve lifters they use: two types of wheels, flat-tapped and roller. These types are differing by the shape of lobe and ability of their work, as increased speed of valve opening and greater lift, which provide better supply of air and output of the engine in the case of roller camshafts. The type of camshaft used in Chevrolet Colorado has to be selected in a proper manner in order to achieve the desired performance of the engine and meet driving requirements.

Each OEM Chevrolet Colorado Camshaft we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Colorado Camshaft Parts Questions & Experts Answers

Camshaft, Exhaust (Machining)
24100366
Q: How to remove and inspect Camshaft,Lash Adjuster and Rocker Arm in inline engine on Chevrolet Colorado?
A: A special camshaft holding tool (GM# J-44221 or equivalent) is required for this procedure. After removing the cam sprocket, do not rotate the crankshaft to avoid incorrect timing and potential engine damage. Begin by removing the valve cover and the spark plugs to facilitate engine rotation. Rotate the engine until the sprocket alignment marks are aligned with a dark chain link, ensuring the nats at the rear of the camshafts are facing up. Remove the camshaft sprocket bolts and carefully detach the sprockets from the camshafts, taking care not to remove them from the chain and suspending them to prevent the chain from coming off the crankshaft sprocket. Check the camshaft caps for markings and mark them with paint if necessary before removal. Remove the camshaft cap bolts gradually until they can be taken out, then extract the camshafts, keeping them separated to avoid mixing them up. The rocker arms and lash adjusters can be lifted out if needed, and these parts should be laid out in order for reinstallation. After cleaning the camshafts, inspect each for scored journals, heat discoloration, score marks, chipped areas, pitting, uneven wear, damaged locator pin slots, and damaged threads. Measure the bearing journals with a micrometer to check for excessive wear or out-of-round conditions. Compare the camshaft lobe heights by measuring each lobe with a micrometer, recording the measurements for both intake and exhaust lobes separately; if the difference exceeds 0.005 inch, the camshaft should be replaced. If removed, soak the lash adjusters and rocker arms in clean engine oil before reinstalling them in their original locations. Coat the camshaft with clean engine oil and place it in the correct position in the Cylinder Head, then install the camshaft holding tool. Install all camshaft caps in their original locations and hand tighten them, then evenly tighten the caps to the specified torque, working from the center out. Remove the holding fixture, place the sprockets onto the camshafts, and tighten the bolts to the specified torque. Using a large breaker bar and socket on the crankshaft pulley bolt, rotate the crankshaft 720 degrees and re-check the sprocket and chain alignment, ensuring the darkened links align with the sprocket marks; if resistance is felt while turning the crankshaft, stop immediately to diagnose the issue. Finally, install the spark plugs and the valve cover.