INFORMATION ON 6BG1- TC ENGINE OIL CAPACITY. GMC Truck GMC MD Steel Tilt 67.2" 1992

SUBJECT: INFORMATION ON 6BG1-TC ENGINE OIL CAPACITY

MODELS: 1992-94 W5, W6, AND W7 WITH A 6BG1-TC ENGINE

AN OVER-FILLED CRANKCASE MAY RESULT IN AN INCORRECT DIAGNOSIS OF OIL/FUEL DILUTION. THIS IS A REMINDER TO CHECK THE ENGINE OIL LEVELS, WHEN PERFORMING ENGINE OIL/FILTER CHANGES, TO PREVENT OVER-FILLING OR UNDER-FILLING THE CRANKCASE.

SERVICE PROCEDURE:

PLEASE NOTE THE FOLLOWING CAPACITIES WHEN COMPLETING AN ENGINE OIL/FILTER CHANGE. KEEP OIL LEVEL AS CLOSE AS POSSIBLE TO THE "F" FULL MARK WITHOUT OVER-FILLING. DO NOT OPERATE VEHICLE WITH THE OIL LEVEL BELOW THE "LOW" MARK.

TO PREVENT OVER-FILLING:

1. REFILL CRANKCASE WITH 14 QUARTS (13.2L) OF OIL. 2. CHECK ENGINE OIL LEVEL. 3. RUN ENGINE AND LET SIT FOR A MINIMUM OF FIVE (5) MINUTES. 4. CHECK OIL LEVEL AND ADD ACCORDINGLY.

MAXIMUM OIL CAPACITY OF A 6BG1-TC ENGINE INCLUDING FILTERS IS 15.5 QUARTS (14.7L).

FIGURES: 0

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.