How to replace the Lash Adjuster on the left side on GMC Acadia?

Start by removing the appropriate Camshaft(s) then rockers and finally lash adjusters on the left-hand side for Lash Adjuster replacement. Maintenance professionals should clean all components including camshafts, rocker arms, and lash adjusters before determining repair or replacement needs. Start with Lash Adjuster installation followed by installing rocker arms before fixing the needed Camshaft(s).

OEM GMC Acadia Lash Adjuster

Lash Adjuster Lifter

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3 Lash Adjusters found

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GMC Acadia Valve Lifters Part Number: 12690246
$6.25 MSRP: $9.79
You Save: $3.54 (37%)
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Product Specifications
- Other Name: Adjuster Assembly-Dual Feed Hydraulic Valve Lash; Valve Lifter; Adjuster, Engine Valve Lifter
- Replaces: 12640506, 12659430
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2023 GMC Acadia | AT4, Denali, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Acadia 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:
- 2007-2023 GMC Acadia | AT4, Denali, SL, SLE, SLT | 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
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GMC Acadia Valve Lifters Part Number: 12663277
$2.74 MSRP: $4.52
You Save: $1.78 (40%)
ADD TO CART
Product Specifications
- Other Name: Adjuster-Hydraulic Valve Lash; Valve Lifter; Adjuster, Engine Valve Lifter; Adjuster, Engine Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Acadia | Denali, SLE, SLT | 4 Cyl 2.0 L GAS

GMC Acadia Lash Adjuster

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Valve lash adjuster is used in GMC Acadia vehicles to pull the valve closer to the camshaft to enable the engine to run smoothly as it reduces wear and tear hence longer engine durability. This component also known as tappet, acts as a pivot that provides the linear motion for the valves from the rotational movement of the camshaft. Some of the Lash Adjusters, used in GMC Acadia models, include solid, hydraulic, and roller types of the valve lifters. Hydraulic lifters are most preferred because they provide a feature of adjustment of clearance by duly controlling the oil pressure. Roller tappets are getting into use more and more because they possess less friction and offer more efficiency than others. Since valve lifters are a part of the internal combustion system, the positioning and kind can differ, thank to development situated on the architectural layout of the car.

GMC Acadia Lash Adjuster Parts and Q&A

Valve Lifters, Green Line
12686787
Q: How to replace the Lash Adjuster on the left side on GMC Acadia?
A:
Start by removing the appropriate Camshaft(s) then rockers and finally lash adjusters on the left-hand side for Lash Adjuster replacement. Maintenance professionals should clean all components including camshafts, Rocker Arms, and lash adjusters before determining repair or replacement needs. Start with Lash Adjuster installation followed by installing rocker arms before fixing the needed Camshaft(s).