How to replace the camshaft on Chevrolet Blazer?

You must start by removing the Timing Chain then sprocket before you detach the valve lifters and balance shaft drive gear. Campshaft retainer bolts together with the retainer must be removed with extreme caution to protect the Camshaft bearings because every Camshaft journal shares the identical diameter. Use the holes in the engine Camshaft front where you installed three 5/16-18 x 4.0 inch bolts as a handle to gently pull the engine Camshaft out of the bearings leaving the bolt in place. After cleaning the Camshaft both parts should undergo examination. Engine oil replacement with new Oil Filter and gm engine oil supplement gm p/n 1052367 (Canadian P/N 992869) or equivalent supplement required before installing a new Camshaft. Clean engine oil gm p/n 12345610 (Canadian P/N 993193) or equivalent or engine oil supplement gm p/n 1052367 (Canadian P/N 992869) should be applied to the Camshaft lobes as well as bearing journals and bearings. You should use the three bolts as a tool to install the engine Camshaft before removing them. The threads of the Camshaft retainer bolts require a threadlock application from gm p/n 12345382 (Canadian P/N 10953489) when using existing fasteners. Sequence the installation by first putting on the Camshaft retainer and bolts before adding the balance shaft drive gear and valve lifters. Finish with the Timing Chain and Camshaft sprocket. Tighten all fasteners to 12 nm (106 inch lbs.).

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Chevrolet Blazer Camshaft Part Number: 12627159
$207.19 MSRP: $352.74
You Save: $145.55 (42%)
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Product Specifications
- Other Name: Camshaft, Engine
- Replaced by: 28290131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 Chevrolet Blazer | Base, L, LT | 4 Cyl 2.5 L GAS
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Chevrolet Blazer Camshaft Part Number: 12638651
$111.33 MSRP: $174.39
You Save: $63.06 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Assembly-Intake; Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 Chevrolet Blazer | Base, L, LT | 4 Cyl 2.5 L GAS
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Chevrolet Blazer Camshaft Part Number: 12703806
$359.99 MSRP: $566.42
You Save: $206.43 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Assembly-Overhead Valve; Camshaft, Engine
- Replaces: 12568989
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Blazer | Base, LS, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Camshaft Part Number: 14088841
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987 Chevrolet Blazer | Custom Deluxe, Silverado | 8 Cyl 5.0 L GAS
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Chevrolet Blazer Camshaft Part Number: 14066308
Product Specifications
- Other Name: Camshaft, Engine
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994, 1987-1991 Chevrolet Blazer | Base, Custom Deluxe, Scottsdale, Silverado, Silverado Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
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Chevrolet Blazer Camshaft Part Number: 14060651
Product Specifications
- Other Name: Camshaft, Engine
- Replaces: 14088839
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1994 Chevrolet Blazer | Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado, Silverado Sport | 8 Cyl 5.7 L GAS

Chevrolet Blazer Camshaft

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Camshaft in Chevrolet Blazer consumer is the part of drive mechanism that opens and closes the intake and exhaust valves in proper series to control the passage of air-fuel mixture for combustion. The camshafts models include Over Head Valve (OHV), Single Over Head Cam (SOHC), and Double Over Head Cam (DOHC), and for varied Blazer models, a distinct model of camshaft is employed in conformity to the optimal performing camshaft model. These camshafts are always driven by the crankshaft through chain or belt for timing and to ensure that they operate in phase with the pistons. The Blazer is also used by its owners to gain more power and increase the vehicle's performances, to increase air flow, power and RPM range various types of performance camshafts are available. Lift, duration, and lobe separation angle are such parameters that affect the torque, cylinder pressure, and idle quality. Deciding on the type of the camshaft considering laminate changes, performance characteristics, and other attributes will enable Blazer engine to perform well depending on street use and other racing activities.

Chevrolet Blazer Camshaft Parts Questions & Experts Answers

Camshaft
12703806
Q: How to replace the camshaft on Chevrolet Blazer?
A:
You must start by removing the Timing Chain then sprocket before you detach the valve lifters and balance shaft drive gear. Campshaft retainer bolts together with the retainer must be removed with extreme caution to protect the Camshaft bearings because every Camshaft journal shares the identical diameter. Use the holes in the engine Camshaft front where you installed three 5/16-18 x 4.0 inch bolts as a handle to gently pull the engine Camshaft out of the bearings leaving the bolt in place. After cleaning the Camshaft both parts should undergo examination. Engine oil replacement with new Oil Filter and gm engine oil supplement gm p/n 1052367 (Canadian P/N 992869) or equivalent supplement required before installing a new Camshaft. Clean engine oil gm p/n 12345610 (Canadian P/N 993193) or equivalent or engine oil supplement gm p/n 1052367 (Canadian P/N 992869) should be applied to the Camshaft lobes as well as bearing journals and bearings. You should use the three bolts as a tool to install the engine Camshaft before removing them. The threads of the Camshaft retainer bolts require a threadlock application from gm p/n 12345382 (Canadian P/N 10953489) when using existing fasteners. Sequence the installation by first putting on the Camshaft retainer and bolts before adding the balance shaft drive gear and valve lifters. Finish with the Timing Chain and Camshaft sprocket. Tighten all fasteners to 12 nm (106 inch lbs.).