Engine - Oil Viscosity Charts Update

9224buick03

Bulletin: 91-0-6

Date: May '91

Ref. No.: 91-190-0

Corp. Ref. No.: 130201R


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 0B - MAINTENANCE AND LUBRICATION
(ENGINE OIL VISCOSITY CHARTS)

MODELS AFFECTED:
1991 CENTURY MODELS





SERVICE MANUAL UPDATE - SECTION 0B

The following two engine oil viscosity recommendation charts replace Figure 3 in the 1991 Century Service Manual.