How to replace the LH Lash Adjuster on Cadillac STS?

You need to begin by taking off the left valve rocker arms while using a method to keep each camshaft follower both correctly matched with its original stationary hydraulic Lash Adjuster (SHLA) and maintained at its initial placement. Clean the lash adjusters while inspecting them before installing the shla into the left cylinder head bores. Maintain the first cylinder Crankshaft at top dead center (TDC) while filling the shla with engine oil (GM P/N 12378006 or equivalent) through the oil inlet port despite making efforts to prevent damage to the shla pivot sphere surface area. Lubricate each shla bore of the cylinder head with clean engine oil (GM P/N 12378006 or equivalent) then insert the shla into the bores and finish by reinstalling the left valve rocker arms.

OEM Cadillac STS Lash Adjuster

Lash Adjuster Lifter

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Cadillac STS Valve Lifters, Green Line Part Number: 12686787
$14.33 MSRP: $23.63
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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:
- 2005-2011 Cadillac STS | Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

Cadillac STS Lash Adjuster

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Lash Adjuster is one of the most vital components utilized in Cadillac STS vehicles because of its efficiency and credibility in javing an influential role in Cadillac operation of the STS automobiles' engines. This new Lash Adjuster is particularly intended to keep the correct valve gap so that the engine can perform well without failure during performance and, at the same time, would reduce the rate of wear. Appealing to Cadillac STS models, Lash Adjuster improves car functioning and safety, which, in its turn, brings out the prime in the luxury sedan. The Cadillac STS which has been associated with highly-powered engines such as the 3.6L V6 and the 4.6L Northstar V8 engine benefits from the Lash Adjuster in that it provides an automatic adjustment mechanism to keep the ideal valve position. Besides the consideration of enhancing the function of the vehicle, this feature plays a massive role in the longevity of the particular vehicle. In the existing market of auto spare parts, Cadillac STS Lash Adjuster can be regarded as unique because of the hydraulic design that averts frequent adjustments and warrants a standardized performance in diverse circumstances. Being a durable and effective device, Cadillac STS Lash Adjuster is another indication of brand's adhesion to the principles of luxury automobile manufacturing and excellent performance. Cadillac has not ceased to develop its product for the market and thus the LSA or the STS Lash Adjuster is still a good reference to those looking for a Cadillac STS that features high quality engineering for an excellent driving experience.

Cadillac STS Lash Adjuster Parts and Q&A

Valve Lifters, Green Line
12686787
Q: How to replace the LH Lash Adjuster on Cadillac STS?
A:
You need to begin by taking off the left valve Rocker Arms while using a method to keep each camshaft follower both correctly matched with its original stationary hydraulic Lash Adjuster (SHLA) and maintained at its initial placement. Clean the lash adjusters while inspecting them before installing the shla into the left cylinder head bores. Maintain the first cylinder Crankshaft at top dead center (TDC) while filling the shla with engine oil (GM P/N 12378006 or equivalent) through the oil inlet port despite making efforts to prevent damage to the shla pivot sphere surface area. Lubricate each shla bore of the cylinder head with clean engine oil (GM P/N 12378006 or equivalent) then insert the shla into the bores and finish by reinstalling the left valve rocker arms.