EXPERTEC TSB (51-65-32)

EXPERTEC TSB

TECHNICAL SERVICE BULLETIN

SMU-SECTION 6E3, 9, 9C, 9A - DRIVEABILITY & EMISSIONS-REVISED LINEAR EGR INSTALLATION PROCEDURE

Model(s): 1992-95 Chevrolet & GMC Truck M/L Vans

1992-95 Chevrolet & GMC Truck S/T Models

1993-95 Chevrolet & GMC Truck C/K Models

1994-95 Chevrolet & GMC Truck G Van

1994-95 Chevrolet & GMC Truck P3, P/G Chassis

1992-93 Oldsmobile Bravada

with 4.3L and 7.4L Engines (VINS W, N - RPOS L35, L19) and (VIN Z - RPO LB4 - with California Emissions)

Bulletin No.: 51-65-32 Chevrolet, 51-65-32 Oldsmobile, 51-65-32 GMC

Date: May 8, 1995

SERVICE INFORMATION

This Service Bulletin revises the Linear EGR Installation Procedure, in the following Service Manuals:

• 1992-93 Oldsmobile Bravada Service Manual, page 6E3-C7-6.
• 1992-93 Light Duty Truck, Fuel and Emissions Service Manual, Pages 9-19 and 9C-6.
• 1994-95 S/T Driveability Emissions and Electrical Diagnosis Service Manual and the 1994 S/T Truck Supplement with RPO CTF, page 9A-8.
• 1994-95 C/K, M/L, G Van and P/G and P3 Chassis Driveability Emissions and Electrical Diagnosis Service Manuals, page 9A-6.

THE REVISED PROCEDURE IS AS FOLLOWS:

INSTALL OR CONNECT

1. EGR VALVE AND NEW GASKET.
2. VALVE TO FLANGE BOLTS. TIGHTEN BOLTS IN TWO STEPS.
   1. THE FIRST STEP TO 10 N.M (89 LB IN).
   2. THE SECOND STEP TO 25 N.M (18 LB FT).
3. ELECTRICAL CONNECTOR.