1999 Chevrolet Chevrolet Truck TSBs

SOME CUSTOMERS MAY COMMENT ON A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS...

INFORMATION REGARDING HARSH 1-2 UPSHIFT, SERVICE ENGINE SOON, MALFUNCTION INDICATOR LAMP, OR CEL ILLUMINATED, DIAGNOSTIC TROUBLE CODE P1870 SET.

VEHICLES EQUIPPED WITH COMPOSITE RADIATOR END TANK MAY EXHIBIT AN ENGINE RUNNING HOT, OVERHEADING AND / OR LOSS OF COOLANT.

SOME MEDIUM DUTY VEHICLES WITH 7.4L GAS ENGINES MAY INTERMITTENTLY EXPERIENCE A FALSE ENGINE OVERHEAT CONDITION.

INFORMATION ON CUSTOMERS REPORTING INTERMITTENT STALL OR NO START CONDITION.

CUSTOMERS MAY COMMENT THAT AIR BLOWS FROM THE INSTRUMENT PANEL VENTS.

INFORMATION ON LOW EFFORT PARKING BRAKE SYSTEM ON ALL 15 AND 25 SERIES FULL-SIZE PICK-UPS AND UTILITY VEHICLES, 1999 THROUGH 2001.

IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER.

NEW TRANSMISSION OIL COOLING SYSTEM FLUSHING TOOL.