Broken exhaust manifold studs and bolts
ENGINE AND ENGINE COOLING
55 NHTSA complaints · 1998-12 → 2005-09
“STUDS ON EXHAUST MANIFOLD SHEARED OFF. CAUSED EXHAUST FUMES TO ENTER PASSENGER COMPARTMENT SICKING PASSENGERS”
“EXHAUST MANIFOLD STUDS CONTINUE TO BREAK, ALLOWING EXHAUST FUMES TO ESCAPE CATALYTIC CONVERTER AND ENTER COMPARTMENT”
“THE TWO OUTSIDE EXHAUST MANIFOLD BOLTS ON THE BOTH THE FRONT AND BACK WERE BROKEN. THIS CAUSED EXHAUST FUMES TO ENTER THE CABIN”