Cylinder Head - Revised Installation Procedure

File In Section: 6 Engine

Bulletin No.: 83-61-25

Date: September, 1998

SERVICE MANUAL UPDATE

Subject:
Section 6A-54 - Revised Cylinder Head Installation Procedure

Models:
1997 Buick LeSabre
1997 Oldsmobile Eighty Eight, LS, LSS, Regency
1997 Pontiac Bonneville

This bulletin is being issued to revise the cylinder head installation procedure in Section 6A - Engine Mechanical, page 6A-54 in the 1997 Service Manual.

Revise the text of the NOTICE, after Step 1 to read as follows:

Notice:
Installing the head gasket with the arrow pointing to the rear of the engine will cause gasket failure and possible engine failure. Head gaskets are not interchangeable.