INFORMATION ON HYDRA-MATIC 4T40E TRANSAXLE. Chevrolet Cavalier 1995

REVISION: 09/20/95

THIS BULLETIN IS BEING REVISED TO REMOVE ENGINE REFERENCE FROM TITLE AND MODELS SECTION. **********************************************************************

SUBJECT: INFORMATION ON HYDRA-MATIC 4T40-E TRANSAXLE

MODELS: 1995-96 CHEVROLET CAVALIER 1995-96 PONTIAC SUNFIRE WITH HYDRA-MATIC 4T40-E TRANSAXLE (RPO MN4)

THIS BULLETIN CONTAINS INFORMATION REGARDING LIMITED VEHICLE SERVICE FOR THE HYDRA-MATIC 4T40-E TRANSAXLE.

SERVICE POLICY

AUGUST 1, 1995 TO JULY 31, 1996: LIMITED ON-VEHICLE SERVICE BEGINNING AUGUST 1, 1995, LIMITED ON-VEHICLE SERVICE WILL BE PERMITTED FOR HYDRA-MATIC 4T40-E TRANSAXLES. THE COMPONENTS INCLUDED FOR LIMITED ON-VEHICLE SERVICE ARE SHOWN IN FIGURE 1. ALL REPAIRS WHICH CANNOT BE CORRECTED WITH THE COMPONENTS SHOWN IN FIGURE 1 MUST USE A GOODWRENCH SRTA TRANSMISSION FOR THE REPAIR.

AUGUST 1, 1996: COMPLETE TRANSAXLE SERVICE BEGINNING AUGUST 1, 1996 THE HYDRA-MATIC 4T40-E TRANSAXLE CAN BE SERVICED COMPLETELY WITH REPLACEMENT COMPONENTS. HOWEVER, THE GOODWRENCH SRTA PROGRAM WILL CONTINUE TO BE AVAILABLE FOR REPAIRS THAT WARRANT A COMPLETE TRANSAXLE REPLACEMENT.

SERVICE PARTS INFORMATION

DESCRIPTION ILLUSTRATION NUMBER

COVER, SIDE 1 SEAL, AXLE OIL 2 BOLT, SIDE COVER 3 STUD, SIDE COVER 4 GASKET, SIDE COVER 5 GASKET, SIDE COVER OIL LEVEL CONTROL 6 WASHER, THRUST 7 BOLT, PRESSURE SWITCH ASSEMBLY 8 BOLT, PRESSURE SWITCH ASSEMBLY 12 PRESSURE SWITCH ASSEMBLY 13 BOLT, PRESSURE SWITCH ASSEMBLY 16 BOLT, SERVO COVER 25 SEAL, TURBINE SHAFT (O-RING) 41 PLUG, LINE PRESSURE TAP 48 SEAL, COOLER PIPE 49 CAP, VENT 52 SEAL, CONVERTER 54 SLEEVE, OUTPUT AND STUB SHAFTS 56 RING, OUTPUT AND STUB SHAFTS 57 SHAFT, OUTPUT STUB 58 STUD, OUTPUT SPEED SENSOR 61 SENSOR, OUTPUT SPEED 62 PLUG, OIL LEVEL CONTROL 65 SPRING, SERVO RETURN (LO/REVERSE) 66 PIN, SERVO APPLY (LO/REVERSE) 67 SPRING, SERVO CUSHION 68 PISTON, SERVO (LO/REVERSE) 69 RING, SERVO SNAP 70 SEAL, SERVO PISTON (LO/REVERSE) 71 SEAL, SERVO COVER (LO/REVERSE) 72 COVER, SERVO (LO/REVERSE) 73 SPRING, SERVO RETURN (INT./4TH) 75 PIN, SERVO APPLY (INT./4TH) 76 PISTON, SERVO (INT./4TH) 77 SEAL, SERVO PISTON (INT./4TH) 78 SEAL, SERVO COVER (INT./4TH) 79 COVER, SERVO (INT./4TH) 80 BOLT, TUBE ASSEMBLY 81 BOLT, BOTTOM PAN 81 TUBE ASSEMBLY, OIL FEED 83 SEAL, TRANSAXLE OIL FILTER 84 FILTER ASSEMBLY, TRANSAXLE OIL 85 VALVE, OIL LEVEL CONTROL 86 GASKET, TRANSAXLE BOTTOM PAN 87 PAN, TRANSAXLE OIL 88 MAGNET, CHIP COLLECTOR 89 RETAINER CLIP 304 SOLENOID, SHIFT (1-2 AND 2-3) 305 SOLENOID, PRESSURE CONTROL 312 SOLENOID, TCC CONTROL 335

MANY OF THE COMPONENTS SHOWN IN FIGURE 1 ARE ALSO INCLUDED IN SERVICE PACKAGES. REFER TO THE LATEST GMSPO PARTS CATALOGUE FOR SERVICE PARTS INFORMATION.

FIGURES: 1 ATTACHMENTS: 0

Object Number: 81909 Size: FS

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.