3 - 2 PART THROTTLE DOWNSHIFT FLARE (REPLACE 3 - 2 SOLENOID)

SUBJECT: 3-2 PART THROTTLE DOWNSHIFT FLARE (REPLACE 3-2 SOLENOID)

MODELS: 1996 BUICK ROADMASTER 1996 CADILLAC FLEETWOOD 1996 CHEVROLET CAMARO, CAPRICE, CORVETTE 1996 PONTIAC FIREBIRD

1996 OLDSMOBILE BRAVADA 1996 CHEVROLET AND GMC C/K, M/L, S/T, G MODELS WITH HYDRA-MATIC 4L60-E (RPO M30)

1996 HOLDEN COMMADORE "VS"

CONDITION: (FIGURES 1 AND 2)

SOME OWNERS OF THE ABOVE MODELS WITH A HYDRA-MATIC 4L60-E TRANSMISSION (BUILT BEFORE MAY 24, 1996/JULIAN DATE 6145) MAY EXPERIENCE AN ENGINE SPEED FLARE OF 1000-2000 RPM, DURING A PART THROTTLE DOWNSHIFT AT 19-31 MPH. THIS CONDITION WILL NOT SET ANY DTC'S (DIAGNOSTIC TROUBLE CODES).

CAUSE:

EXHAUST SEAT ON THE 3-2 CONTROL SOLENOID BACKING OUT.

CORRECTION: (FIGURE 3)

REPLACE THE 3-2 CONTROL SOLENOID. JULIAN DATE ON THE SOLENOID WILL BE MAY 13, 1996 (6134) OR LATER.

PARTS INFORMATION

NEW PART NUMBER DESCRIPTION 24209121 SOLENOID, 3-2 CONTROL

PARTS ARE EXPECTED TO BE AVAILABLE ON JULY 1, 1996 FROM GMSPO.

WARRANTY INFORMATION

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR CODE: K6559 REPLACE 3-2 CONTROL SOLENOID USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 3 ATTACHMENTS: 0

FIGURE 1 - HYDRA-MATIC 4L60-E TRANSMISSION IDENTIFICATION INFORMATION FIGURE 2 - HYDRA-MATIC 4L60-E TRANSMISSION IDENTIFICATION INFORMATION FOR TWO-PIECE CASE FIGURE 3 - LOCATION AND IDENTIFICATION OF THE 3-2 CONTROL SOLENOID ON THE CONTROL VALVE BODY

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1996. GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.