How to replace the Lash Adjusters on Chevrolet Astro?

Lift off the lower Intake Manifold, then take off the valve rocker arms and valve push rods to replace the valve lifters. Next, remove the valve lifters and clean any varnish out of valve lifter bores with a cleaning solvent and ship towel. Check on the valve lifter bores for serious wear and scoring. In case it is found, the engine block needs to be changed. Also, inspect the Camshaft for wear or damage, and in case the wear is in question, take off the Camshaft to fully inspect it. Inspect and clean the valve lifters and the valve Pushrod guide before install. It should be noted that there should be a slight ticking noise after starting the engine for new lifters; this however can be done away with by say an increase in revs of the engine so as to raise the pressure of the oil. Finally, install valves lifters, then rock arms and push rods, and then the lower Intake Manifold.

OEM Chevrolet Astro Lash Adjuster

Lash Adjuster Lifter

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Chevrolet Astro Push Rods Part Number: 5232720
$14.34 MSRP: $23.93
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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:
- 1985-1986 Chevrolet Astro | Base, CL, CS | 6 Cyl 4.3 L GAS
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Chevrolet Astro Valve Lifters Part Number: 17122490
$37.49 MSRP: $61.75
You Save: $24.26 (40%)
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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:
- 1992-1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Valve Lifters Part Number: 5234890
$43.91 MSRP: $72.34
You Save: $28.43 (40%)
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Product Specifications
- Other Name: Lifter, Valve; Valve Lifter; Lifter, Engine Valve Lifter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1991 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro 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:
- 1996-2005, 1985-1990 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS

Chevrolet Astro Lash Adjuster

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Lash Adjuster: Chevrolet Astro car model comes with the Lash Adjuster which simply lifts the valves in a manner where they are closer to the camshaft for easy running of the engines and general reduction of wear. This is also known as a tappet, this component acts as a transformer of the cams rotational movement into the linear one necessary for operations of a valve. Chevrolet Astro vehicles have used many types of the Lash Adjusters such as the solid, hydraulic as well as the roller ones. Hydraulic Lash Adjusters are especially preferred in this regard because they can self adjust clearance by means of oil pressure. Roller tappets are gaining more acceptance due to the fact that they are less friction and efficient. It may be seen that the arrangement of Lash Adjuster /position and the type of the lifter may differ from one another depending on the changes in the design of automobile engines over time.

Chevrolet Astro Lash Adjuster Parts and Q&A

Valve Lifters
17120090
Q: How to replace the Lash Adjusters on Chevrolet Astro?
A:
Lift off the lower Intake Manifold, then take off the valve Rocker Arms and valve push rods to replace the valve lifters. Next, remove the valve lifters and clean any varnish out of valve lifter bores with a cleaning solvent and ship towel. Check on the valve lifter bores for serious wear and scoring. In case it is found, the engine block needs to be changed. Also, inspect the Camshaft for wear or damage, and in case the wear is in question, take off the Camshaft to fully inspect it. Inspect and clean the valve lifters and the valve Pushrod guide before install. It should be noted that there should be a slight ticking noise after starting the engine for new lifters; this however can be done away with by say an increase in revs of the engine so as to raise the pressure of the oil. Finally, install valves lifters, then rock arms and push rods, and then the lower Intake Manifold.