SMU - SECTION 0 - GENERAL INFORMATION. GMC Truck Safari

SUBJECT: SERVICE MANUAL UPDATE - SECTION 0 - GENERAL INFORMATION - DEXRON(R) III TRANSMISSION FLUID INTRODUCTION

MODELS: 1995 AND PRIOR PASSENGER CARS AND TRUCKS

GENERAL MOTORS HAS PHASED IN A NEW AUTOMATIC TRANSMISSION FLUID, DEXRON(R) III, THAT DOES NOT NEED REPLACING UNDER NORMAL SERVICE. DEXRON(R) III IS DESIGNED TO HELP THE TRANSMISSION DELIVER THE BEST POSSIBLE PERFORMANCE UNDER ALL CONDITIONS.

THE IMPROVEMENTS IN DEXRON(R) III INCLUDE BETTER FRICTION STABILITY, MORE HIGH TEMPERATURE OXIDATION STABILITY AND BETTER MATERIAL COMPATIBILITY. DEXRON(R) III HAS THE SAME LOW TEMPERATURE FLUIDITY AS DEXRON(R) IIE, FOR BETTER TRANSMISSION PERFORMANCE IN COLD WEATHER.

DEXRON(R) IIE AND III ARE FULLY COMPATIBLE.

DEXRON(R) III IS FULLY COMPATIBLE WITH ANY GENERAL MOTORS PASSENGER VEHICLE OR LIGHT TRUCK WITH AUTOMATIC TRANSMISSION AND BUILT SINCE 1949.

DEALERS SHOULD REQUIRE THEIR SUPPLIER TO INCLUDE THE DEXRON(R) III LICENSE NUMBER ON ALL AUTOMATIC TRANSMISSION FLUID INVOICES.

STARTING FEBRUARY 1, 1994 DEXRON(R) III WAS PHASED INTO ALL NORTH AMERICAN ASSEMBLY PLANTS.

DEXRON(R) III FLUID IS AVAILABLE FROM GMSPO (SEE FLUID NUMBERS BELOW):

U.S. IN CANADA 1 QUART - 12346143 1 LITER - 10952622 1 GALLON - 12346144 4 LITER - 10952623 55 GALLON - 12346145 200 LITER - 10952624

THE 1995 AUTOMATIC TRANSMISSION/TRANSAXLE FLUID CHANGE INTERVALS WILL BE THE FOLLOWING:

(1994 AND PRIOR SHOULD USE THE SCHEDULES AS WRITTEN IN THE OWNER'S MANUAL.)

IF THE VEHICLE IS MAINLY DRIVEN UNDER ONE OR MORE OF THESE CONDITIONS:

IN HEAVY CITY TRAFFIC WHERE THE OUTSIDE TEMPERATURE REGULARLY REACHES 90 DEGREES F (32 C) OR HIGHER.

IN HILLY OR MOUNTAINOUS TERRAIN.

WHEN DOING FREQUENT TRAILER TOWING.

USES SUCH AS FOUND IN TAXI, POLICE CAR OR DELIVERY SERVICE.

FOR VEHICLES OVER 8,600 GVWR, CHANGE THE FLUID AND FILTER EVERY 50,000 MILES (83,000 KM).

IF THE VEHICLE IS NOT USED MAINLY UNDER ANY OF THESE CONDITIONS, THE FLUID AND FILTER DO NOT REQUIRE PERIODIC CHANGING FOR VEHICLES UNDER 8,600 GVWR.

VEHICLES OVER 8,600 GVWR CHANGE THE FLUID AND FILTER EVERY 50,000 MILES (83,000 KM) REGARDLESS OF DRIVING CONDITIONS.

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Object Number: 83979 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 OCCURRING 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 DESRIBED, DO NOT ASSUME 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.