Spectrum L4-91.5 1.5L (1989)
Crankshaft: Technical Service Bulletins
Engine - Manual Update Crankshaft Journal Bearing
Number:
89-141-6A
Section:
6A
Date:
April, 1989
Subject:
SERVICE MANUAL UPDATE - SECTION 6A, PAGES 1-32 CRANKSHAFT JOURNAL BEARING
Model and Year:
1989 R CAR
TO:
ALL CHEVROLET DEALERS
The NOTICE shown on page 6A1-32 of the 1987 Spectrum Service Manual and Page 6A1-31 of the 1988 and 1989 Spectrum Service Manual
references the Number 3 journal bearing lower side as grooveless. This NOTICE should be disregarded as all lower journal bearings are grooveless.
