Engine - Crankshaft Main Bearing End Play Update
90pontiac19Bulletin Number: 90-6-40
Reference Number: 036005
Publish Date: 9/90
MANUAL UPDATE SEC. 6 ENGINE
Subject: SPECIFICATIONS 2.5L (CRANKSHAFT MAIN BEARING CLEARANCE AND END PLAY SPEC.)
Models
Affected: 1989-90 6000 AND GRAND AM MODELS
SERVICE MANUAL UPDATE
When measuring the crankshaft main bearing clearance or end play on the 2.5L engine use the following specifications:
VIN R
Crankshaft Main Bearing Clearance - 0.013 - 0.056 mm (0.0005 - 0.0022")
Crankshaft End Play - 0.13 - 0.26 mm (0.0051 - 0.010")
VIN U
Crankshaft Main Bearing Clearance - 0.013 - 0.056 mm (0.0005 - 0.0022")
Crankshaft End Play - 0.15 - 0.28 mm (0.0059 - 0.011")
THIS INFORMATION APPLIES TO THE FOLLOWING SERVICE MANUALS:
1990 Pontiac 6000 Page 6A1-42
1989 Pontiac 6000 Pages 6A1-22 and 6A1-23
1990 Pontiac Grand AM Page 6A3-43
1989 Pontiac Grand AM Page 6A3-39