Engine - Intake Valve Stem Clearance Specification

89Pontiac12

Bulletin Number: 89-6-53
Reference Number: 936113
Publish Date: 6/89
Subject: SERVICE MANUAL UPDATE - SECTION 6A - ENGINE GENERAL INFORMATION

Models
Affected: 1987-1989 6000 AND FIERO MODELS WITH 2.5L ENGINES
SERVICE MANUAL UPDATE

When measuring the intake valve stem clearance on the 2.5L engine, the specification is:

.025 - .068 mm (.0010 - .0027 in.)

This information is for the following Service Manuals:

DIVISION YEAR CARLINE PAGES

Pontiac 1987 A 6A1-19 and 20
1987 P 6A1-21 and 22
1988 A 6A-3, 6A1-20 and 21
1988 P 6A1-22 and 23
1989 A 6A-4, 6A1-22 and 23