DT: SPENT THOUSANDS OF DOLLARS TRYING TO REPAIR PROBLEM. ON 03/05 FIRST NOTICED THE PROBLEM WHEN THE EXHAUST WAS SENDING FUMES INTO THE VEHICLE, AND WAS CAUSING HEADACHES/BLURRED VISION, AND SO ON. THE DEALERSHIP INSTALLED AN EXHAUST SYSTEM FROM ANOTHER VEHICLE. THE VEHICLE WAS STILL RELEASING FUMES INTO CAB. *AK EXHA…
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DT: SPENT THOUSANDS OF DOLLARS TRYING TO REPAIR PROBLEM. ON 03/05 FIRST NOTICED THE PROBLEM WHEN THE EXHAUST WAS SENDING FUMES INTO THE VEHICLE, AND WAS CAUSING HEADACHES/BLURRED VISION, AND SO ON. THE DEALERSHIP INSTALLED AN EXHAUST SYSTEM FROM ANOTHER VEHICLE. THE VEHICLE WAS STILL RELEASING FUMES INTO CAB. *AK EXHAUST GASES WERE PASSING THROUGH RUBBER HOSES IN THE ENGINE COMPARTMENT. THE DEALERSHIP REPLACED THE VEHICLE'S EXHAUST MANIFOLD WITH A "CAPRICE" MANIFOLD. THE ENGINE WOULD HESITATE BETWEEN THE 2ND-3RD GEARS AND IDLED ROUGHLY. THE WIPERS HAD BECOME INOPERATIVE, THE OIL PRESSURE GAUGE WAS READING TOO LOW. THERE WAS AN EXHAUST LEAK COMING FROM THE LEFT OF THE MANIFOLD. THE VEHICLE WOULD ALSO SPUTTER WHEN BEING DRIVEN ON HILLS. THE CONSUMER REQUESTED TO BE CHARGED BACK 3K DOLLARS TO HIS CREDIT CARD. *SC *NM
THE HYDRAULIC BRAKE FLUID USED IN CERTAIN VEHICLES MAY FAIL TO COMPLY WITH THE BRAKE FLUID BOILING POINT REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 116, "MOTOR VEHICLE BRAKE FLUIDS". BRAKING EFFICIENCY MAY BE REDUCED AND VEHICLE STOPPING DISTANCE INCREASED, ESPECIALLY WHEN HARD OR FREQUENT BRAKING RAISES BRAKE FLUID TEMPERATURE.
Consequence & remedy
Consequence: Not supplied
Remedy: SUSPECT HYDRAULIC BRAKE FLUID WILL BE BLED FROM THE BRAKE SYSTEM AND REPLACED WITH GM DELCO SUPREME NO. 11 OR AN EQUIVALENT, WITHOUT CHARGE.
THE SPARE WHEEL IS ONE INCH WIDER THAN THE MAXIMUM APPROVED RIM WIDTH AND FAILS TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 120, "TIRE SELECTION AND RIMS FOR MOTOR VEHICLES OTHER THAN PASSENGER CARS".
Consequence & remedy
Consequence: Not supplied
Remedy: THE SPARE WHEEL ASSEMBLY WILL BE REPLACED WITHOUT CHARGE TO OWNER.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
SUMMARY:SOME 1981-86 TRUCKS WITH 7.4L ENGINES AND CAST IRON EXHAUSTMANIFOLDS MAY EXPERIENCE A CONDITION WHERE AN EXHAUST LEAK DEVELOPSBETWEEN THE MANIFOLD AND THE CYLINDER HEAD MATING SURFACE CAUSING A NOISECONDITION. MOST OF THE REPORTS (AND ALL OF THE INJURIES AND THEMANIFOLD FIRE) ARE FROM THE P30 MOTORHOME CHASSIS.GM STATES THAT A WARPEDOR CRACKED MANIFOLD WOULD PERMIT SMALL AMOUNTS OF EXHAUST GAS LEAKAGEGENERALLY RESULTING IN NOTICEABLE NOISE AND FUMES.THE EXHAUST MANIFOLDSARE SUSCEPTIBLE TO EXTREME HEAT CONDITIONS (SUCH AS OPERATING UNDER SEVEREENGINE/VEHICULAR LOAD CONDITIONS AND HIGH AMBIENT TEMPERATURES).THEMOTORHOME APPLICATION IS PARTICULARLY SUSCEPTIBLE TO THIS ALLEGED DEFECTSINCE THE VEHICLE IS NEARLY ALWAYS AT OR NEAR THE GVWR OF THE VEHICLE.THEFEW NUMBER OF REPORTS RECEIVED BY ODI FOR A PROBLEM WHICH BEGAN 8 YEARS AGOSUGGESTS THAT THE DEFECT EITHER OCCURS INFREQUENTLY OR IS NOT PERCEIVED ASA SIGNIFICANT SAFETY HAZARD.THE SERVICE BULLETIN WAS ISSUED TO IDENTIFYTHE HIGH TEMPERATURE PROBLEM AND PROVIDE A REMEDY AGAINST REOCCURRENCE.===
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