1991 Dodge Ram TSBs

CUSTOMER MAY COMPLAIN OF HIGH OIL CONSUMPTION, GREY OIL SMOKE COMING OUT OF THE EXHAUST OR BREATHER TUBE, OR MECHANICAL KNOCKING.

CONCERNS WITH ENGINE COOLANT USAGE.

VARIOUS CAR OWNER'S HAVE EXPRESSED INTEREST IN USING ENGINE COOLANTS MADE WITH PROPYLENE GLYCOL INSTEAD OF ETHYLENE GLYCOL.

TIMING CHAIN NOISE. *TW

OIL LEAK DIAGNOSIS OF THE REAR MAIN BEARING AREA.

AUTOMATIC TRANSMISSION FLUID USAGE ATF+4.

INFORMATION ON TRANSMISSION COOLER REVERSE FLUSHING WITH COOLER BYPASS KIT INSTALLED.

PCM NOT PROPERLY DISENGAGING A/C CLUTCH VIA THE RELAY ALSO THE PCM MAY NOT ENERGIZE THE A/C CLUTCH RELAY.

SUBJECT REGARDING WIRE SPLICE REPAIRS.

THIS BULLETIN PROVIDES A REVISED WIRE SPLICE PROCEDURE AND RELATED PARTS.

INFORMATION ON INSTALLATION OF RADIO TRANSMITTING EQUIPMENT.

DIFFICULT TO CLEAN LIGHT COLORED "CHALKY" RESIDUE FROM PLASTIC BODY COMPONENTS THAT ARE MOLDED IN BLACK.

STEERING COLUMN COUPLER SERVICE.

IMPROVED FUEL PUMP. *TW