Cylinder Head Replacement
Model Year 1983Bulletin No. 83-127A
File In Group 60
Number 32A
Date July '83
SUBJECT: CYLINDER HEAD REPLACEMENT
MODELS AFFECTED: GM GOODWRENCH 5.7L (350) DIESEL ENGINE
NOTICE: This is additional parts information for Bulletin 83-127, File Group 60, #32.
Two new cylinder heads have been released for service for the GM Goodwrench 350 diesel engine. The new cylinder heads, part number 22523637 and 22523638, have different dowel pin locations than cylinder heads previously released.
Previously released cylinder heads may be used on the GM Goodwrench diesel engine by changing the dowel pin locations in the block to agree with the holes in the head. DO NOT install heads without the dowel pins.