SMU - SECTION 6E3, 9, 9C, 9A - DRIVEABILITY & EMISSIONS. GMC Truck S15 Pickup - 4WD 1993

For 1990-2009 cars

# SMU - SECTION 6E3, 9, 9C, 9A - DRIVEABILITY & EMISSIONS

#### SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E3, 9, 9C, 9A-DRIVEABILITY AND EMISSIONS-REVISED LINEAR EGR INSTALLATION PROCEDURE

#### MODELS: 1992-95 CHEVROLET AND GMC TRUCK M/L VANS 1992-95 CHEVROLET AND GMC TRUCK S/T MODELS 1993-95 CHEVROLET AND GMC TRUCK C/K MODELS 1994-95 CHEVROLET AND GMC TRUCK G VAN 1994-95 CHEVROLET AND 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)

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. A. THE FIRST STEP TO 10 N.M (89 LB IN). B. THE SECOND STEP TO 25 N.M (18 LB FT). 3. ELECTRICAL CONNECTOR.

FIGURES: 00 ATTACHMENTS: 00

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