Engine - Update Piston-to-Bore Clearances
88olds10SUBJECT SERVICE MANUAL UPDATE NUMBER: 88-T-60
PISTON-TO-BORE CLEARANCES
CORP. REF. NO.: 836109
MODELS/YEARS 1982-88 FIRENZA MODELS WITH L-4 OHV
DATE: May 1988
ENGINES
SECTION: 6A
Service manual specification for the piston-to-bore clearance needs to be corrected. Following is the current model year correction, along with a restatement of past model years:
1987 and 1988 Firenza (VIN 1 Engine):
Piston-to-Bore Clearance = .025 mm - .055 mm (.00098" - .0022")
Piston-to-Pin Clearance = .010 mm - .022 mm (.0004" - .0009")
1982 through 1986 Firenza (VIN G and P Engines):
Piston-to-Bore Clearance = .017 mm - .043 mm (.0007" - .0017")
Piston-to-Pin Clearance
1982 - 1984 = .007 mm - .009 mm (.00026" - .00037")
1985 - 1986 = .005 mm - .018 mm (.0002" - .0007")
(Production)
1985 - 1986 = .010 mm - .022 mm (.0004" - .0009")
(Revised Service Parts)
Please take appropriate action to correct your service manuals.