Engine - Revised Dimension for Rear Oil Gallery Plug

File In Section: 06 - Engine/Propulsion System

Bulletin No.: 99-06-01-004

Date: April, 1999

SERVICE MANUAL UPDATE

Subject:
Revised installed Dimensions for Engine Block Rear Oil Gallery Plug

Models:
1991-99 Chevrolet Corvette
1998-99 Chevrolet Camaro
1998-99 Pontiac Firebird
1999 Chevrolet and GMC C/K Models (Silverado and Sierra)
with 4.8L, 5.3L, 5.7L or 6.0L V8 Engine
(VINs V, T, G, U - RPOs LR4, LM7, LS1, LQ4)





This bulletin revises the installed dimensions for the engine block rear oil gallery plug in the Engine Block Plug Removal, Engine Block Plug Installation, and Engine Rear Cover Installation procedures. This information replaces specifications and figures currently in the Service Manual.