How to replace the Lash Adjusters on Chevrolet Blazer?

To remove the valve lifters, first, you will need to collect the necessary tools, such as the valve lifter remover (J 3049-A). Start by taking out the lower Intake Manifold, followed by rocker arms of valves and valve pushrods that are placed in a rack to be put back in their original positions. Next, take out the bolts and valve lifter Pushrod guide, and keep the valve lifters upright on the rack to keep oil inside them. If any valve livers are stuck by options of gum or varnish deposits use valve lifter remover (J 3049-A) to remove it. Clean out the valve lifter bores with a solvent and check valve lifter bores for excessive wear/scoring and replace the engine block if need be. Also, check Camshaft for wear or breakage and if questionable, pull it out for further inspection. Mark, sort and organize; all components for assembly, and then clean with solvent and dry, using compressed air. Inspect the valve lufter Pushrod guides for their excessive wear, cracks, and damage, check the valve lifters for broken clips, worn Pushrod sockets, scuffed or worn lifter bodies, worn rollers, loose and broken pins, and plugged oil holes. When installing brand new lifters apply lubricant gm p/ n 12345501 (Canadian P/ N 992704) on the valve lifter rollers. If reusing lifters, make sure they are put back in their original positions. The valve lifter Pushrod guides are then installed as well as tightening the guide bolts to 16 nm (12 ft. Lbs), subsequently the installation of the valve rocker arms and pushrods, and lastly the prolongation of the lower Intake Manifold.

OEM Chevrolet Blazer Lash Adjuster

Lash Adjuster Lifter

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Chevrolet Blazer Push Rods Part Number: 5232720
$14.34 MSRP: $23.93
You Save: $9.59 (41%)
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Product Specifications
- Other Name: Valve Lift; Valve Lifter; Pushrod; Valve Lifters; Lifter, Engine Valve Lifter; Lifter, Engine Valve
- 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 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Blazer Valve Lifters Part Number: 17122490
$37.49 MSRP: $61.75
You Save: $24.26 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
- Replaces: 05234670, 5234670
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005, 1995 Chevrolet Blazer | Base, LS, LT, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Valve Lifters Part Number: 5234530
$45.83 MSRP: $75.50
You Save: $29.67 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Valve Lift; Valve Lifter; Lifter, Engine Valve Lifter; Lifter, Engine Valve
- 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 Valve Lifters Part Number: 17120090
$37.19 MSRP: $61.26
You Save: $24.07 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Lifter, Engine Valve Lifter; Valve Lifter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Valve Lifters, Green Line Part Number: 12686787
$14.33 MSRP: $23.63
You Save: $9.30 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Adjuster Assembly-Hydraulic Valve Lash; Filler Cap O-Ring; Adjuster, Engine Valve Lifter; Adjuster, Engine Valve
- Replaces: 12572638, 24100005
- 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

Chevrolet Blazer Lash Adjuster

Want to cut long-term maintenance and repair costs? Choose OEM Lash Adjuster. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet Blazer parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Blazer Lash Adjuster includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Lash Adjuster in Chevrolet Blazer automobiles plays the critical role of lifting the valve closer to the camshaft enhancing performance, duration of the car's engines since it reduces wear. This one is also referred to as a tappet and translates the rotational movement of the camshaft to linear motion of the valves. In different years of Blazer production, different kinds of Lash Adjusters were applied, including solid, hydraulic and roller ones. Hydraulic lifters are used most often because they can control the clearance through oil pressure; requiring minimum adjustments. Inline roller tappets are preferred more and more because they have less friction and more efficient. The disposition and configuration of these lifters themselves can be conditioned by the generally set type of the engine and reflects the typical progress in automobile engineering.

Chevrolet Blazer Lash Adjuster Parts and Q&A

Valve Lifters
17122490
Q: How to replace the Lash Adjusters on Chevrolet Blazer?
A:
To remove the valve lifters, first, you will need to collect the necessary tools, such as the valve lifter remover (J 3049-A). Start by taking out the lower Intake Manifold, followed by Rocker Arms of valves and valve Pushrods that are placed in a rack to be put back in their original positions. Next, take out the bolts and valve lifter Pushrod guide, and keep the valve lifters upright on the rack to keep oil inside them. If any valve livers are stuck by options of gum or varnish deposits use valve lifter remover (J 3049-A) to remove it. Clean out the valve lifter bores with a solvent and check valve lifter bores for excessive wear/scoring and replace the engine block if need be. Also, check Camshaft for wear or breakage and if questionable, pull it out for further inspection. Mark, sort and organize; all components for assembly, and then clean with solvent and dry, using compressed air. Inspect the valve lufter Pushrod guides for their excessive wear, cracks, and damage, check the valve lifters for broken clips, worn Pushrod sockets, scuffed or worn lifter bodies, worn rollers, loose and broken pins, and plugged oil holes. When installing brand new lifters apply lubricant gm p/ n 12345501 (Canadian P/ N 992704) on the valve lifter rollers. If reusing lifters, make sure they are put back in their original positions. The valve lifter Pushrod guides are then installed as well as tightening the guide bolts to 16 nm (12 ft. Lbs), subsequently the installation of the valve rocker arms and pushrods, and lastly the prolongation of the lower Intake Manifold.