EXHAUST MANIFOLD BOLTS MALFUNCTION ALLOWING EXHAUST GASES TO ENTER CAB OF VEHICLE. THIS ALSO CAN CAUSE WRONG READINGS TO THE EMISSION CONTROL SYSTEM ( OXYGEN SENSOR ) TO RICHEN THE GAS MIXER TO ENGINE CAUSING EMISSION PROBLEMS. REASON FOR COMPLIANT, AFTER CHECKING INTERNET SITES. I FOUND OUT THIS IS A TO COMMON OF A PROBLEM WITH…
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EXHAUST MANIFOLD BOLTS MALFUNCTION ALLOWING EXHAUST GASES TO ENTER CAB OF VEHICLE. THIS ALSO CAN CAUSE WRONG READINGS TO THE EMISSION CONTROL SYSTEM ( OXYGEN SENSOR ) TO RICHEN THE GAS MIXER TO ENGINE CAUSING EMISSION PROBLEMS. REASON FOR COMPLIANT, AFTER CHECKING INTERNET SITES. I FOUND OUT THIS IS A TO COMMON OF A PROBLEM WITH CHEVROLET ( GM ) V8 ENGINES. THE AUTO REPAIR SHOP I TOOK MY VEHICLE TO, KNEW OF THIS PROBLEM EVERY WELL. THEY GET SEVERAL OF THIS TYPE OF REPAIRS MONTHLY. THEY REMOVE EXHAUST MANIFOLD, RE-SURFACE, REMOVE BROKEN BOLTS AND REASSEMBLE USING ALL NEW BOLTS AND GASKET. $350. FYI. *TR
NHTSA ODI #10438818
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2001 Chevrolet Silverado 1500 Hd Problems, Complaints & Recalls | Skip That Year