Cutlass L4-138 2.3L VIN A FI HP (1990)
24570356 to replace the parts. Store the tensioner assembly until it is needed for assembly in a location (ex. the parts cleaner) where dirt will not
get into the oil holes. DO NOT USE ANY CLEANING MATERIAL OR METHOD THAT WILL REMOVE METAL FROM THE PLUNGER
OR BORE.
6.
Inspect the cylinder head bolts for damaged threads or for damaged heads caused by improper use of tools. Replace head bolts if necessary.
7.
Thoroughly clean the cylinder head and block surfaces and check for flatness.
NOTICE:
DO NOT USE POWERED ABRASIVE PADS TO CLEAN THE CYLINDER HEAD OR BLOCK SURFACES. A POWERED ABRASIVE
PAD MAY DAMAGE THE CYLINDER HEAD AND BLOCK.
A.
Carefully remove all gasket material. Use only a plastic or wood scraper. Use Loctite brand "Chisel Gasket Remover" (P/N 79040) or Permatex
brand "Gasket Remover" (P/N 4MA), or equivalent. Do not use any other method or technique to remove gasket material.
IMPORTANT:
DO NOT USE A TAP TO CLEAN THE HEAD BOLT HOLES.
B.
Check cylinder head for flatness. Refer to service manual SECTION 6A7 for cylinder head checking procedure and specifications.
8.
Inspect the cylinder head surface for corrosion or cracks. The combustion seal area will leave a "shadow" mark on the cylinder head (shaded area -
Figure 3). If corrosion is evident outside of the outside diameter (OD) of the combustion seal area, (shaded area - Figure 3), the cylinder head may
be reused.
