Skylark V6-173 2.8L VIN W FI (1985)
Door Locks: All Technical Service Bulletins
Doors - Lock Cylinders Inoperative
Bulletin:
85-10-24
Date:
June 1985
Ref. No..: 85-271-10
SUBJECT:
DOOR LOCK CYLINDERS
MODELS AFFECTED:
ALL
Some vehicles may develop inoperative door lock cylinders. This may be characterized by difficulty inserting, extracting and/or turning the key.
These lock cylinders can be restored with the use of a silicone lubricant (GM Part Number 1052276 or 1052277).
NOTE:
Do not use any type of lubricant that contains chlorine on vehicles with a plastic cap around the lock cylinder as it may destroy the plastic.