How to replace the Lash Adjusters on Cadillac Escalade EXT?

First, the removal of the Cylinder Head and its gasket, valve lifter guide bolts to be taken off. Use the valve lifter remover (J 3049-A) to remove the valve lifters and guide, if only some lifters are stuck on account of gum and varnish deposits. Having removed the valve lifters from the guide, arrange or label the parts for their proper replacement. Only if it is required, clean and inspect the valve lifters. On a re-installation, reused valve lifters should be installed back at their original positions. Apply some clean engine oil to lubricate the valve lifters and engine block valve-lifter bores before inserting the lifters into the lifter guides, ensuring that the flat area of the top of the lifter is parallel with the flat area in the bore of the lifter guide. Your next step should be to push the lifter all the way into the guide bore and install the valve lifters, guide to the engine block. Mount the valve lifter guide bolts and then clamp it in place with 12 nm (106 inch lbs.) and then mount the Cylinder Head and gasket.

OEM Cadillac Escalade EXT Lash Adjuster

Lash Adjuster Lifter

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Cadillac Escalade EXT Valve Lifters
Part Number: 17122490
$35.25 MSRP: $60.54
You Save: $25.29 (42%)
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:
- 2002-2011 Cadillac Escalade EXT | Base, Luxury, Premium | 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade EXT Valve Lifters
Part Number: 12698945
$30.25 MSRP: $49.82
You Save: $19.57 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lifter Assembly-Valve (Non Afm); Lifter, Engine Valve Lifter; Lifter, Engine Valve
- Replaces: 12648846, 12576400
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2013 Cadillac Escalade EXT | Base, Luxury, Premium | 8 Cyl 6.2 L FLEX
View related parts
Cadillac Escalade EXT Valve Lifters
Part Number: 12698946
$33.95 MSRP: $81.88
You Save: $47.93 (59%)
ADD TO CART
Product Specifications
- Other Name: Lifter Assembly-Valve (Afm); Lifter, Engine Valve Lifter
- Replaced by: 12740071
- Replaces: 12639516, 12680871, 12571595, 12632143, 12619820, 12645725, 12569256
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Cadillac Escalade EXT | Base, Luxury, Premium | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS

Cadillac Escalade EXT Lash Adjuster

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Cadillac Escalade EXT Lash Adjuster Parts Questions & Experts Answers

Valve Lifters
17122490
Q: How to replace the Lash Adjusters on Cadillac Escalade EXT?
A: First, the removal of the Cylinder Head and its gasket, valve lifter guide bolts to be taken off. Use the valve lifter remover (J 3049-A) to remove the valve lifters and guide, if only some lifters are stuck on account of gum and varnish deposits. Having removed the valve lifters from the guide, arrange or label the parts for their proper replacement. Only if it is required, clean and inspect the valve lifters. On a re-installation, reused valve lifters should be installed back at their original positions. Apply some clean engine oil to lubricate the valve lifters and engine block valve-lifter bores before inserting the lifters into the lifter guides, ensuring that the flat area of the top of the lifter is parallel with the flat area in the bore of the lifter guide. Your next step should be to push the lifter all the way into the guide bore and install the valve lifters, guide to the engine block. Mount the valve lifter guide bolts and then clamp it in place with 12 nm (106 inch lbs.) and then mount the Cylinder Head and gasket.