ParkAvenue 1997-1999

Valve Lash (Clearance) Adjustment

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Specific to:

Buick LeSabre 1986-1999

Buick Park Avenue 1996-1999

Oldsmobile 88 1992-1999

Oldsmobile Delta 88 1986-1988

Oldsmobile LSS 1996-1999

Pontiac Bonneville 1987-1999

All models utilize an hydraulic valve lifter system to obtain zero lash. No adjustment is necessary. An initial adjustment is required anytime that the lifters are removed or the valve train is disturbed, this procedure is covered in Section 3.

Specific to:

Buick Park Avenue 1998-1999

Oldsmobile Regency 1998

The valve clearance cannot be adjusted on these engines. The engine is equipped with hydraulic lifters, and adjustment is not necessary.

 
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