Intake Manifold - Torque Specifications Revised

File In Section: 6 - Engine

Bulletin No.: 43-61-08A

Date: January, 1995

Subject:
Section 6A - Revised Torque Specifications for Intake Manifold Installation

Models:
1991-94 Buick Park Avenue
1992-95 Buick LeSabre
1994-95 Buick Regal
1992-95 Chevrolet Lumina APV
1991-94 Oldsmobile Ninety Eight
1992-94 Oldsmobile Eighty Eight
1992-95 Oldsmobile Silhouette
1992-94 Pontiac Bonneville
1992-95 Pontiac Trans Sport
with 3800 engine (VIN L - RPO L27)

This bulletin is being revised to add the Buick W car and the U Van.
Please discard bulletin number 43-61-08 (Section 6 - Engine).

The following torque specifications for intake manifold installation should be added to the appropriate Service Manuals:

1991-92 Upper manifold to lower manifold - 29 Nm (21 lb ft)

1991-92 Lower intake to block - 10 Nm (89 lb in.)

1993-95 Upper manifold to lower manifold - 15 Nm (11 lb ft)

1993-95 Lower intake to block - 15 Nm (11 lb ft)