Cylinder head gasket coolant leakage
ENGINE AND ENGINE COOLING
40 NHTSA complaints · 1999-03 → 2006-04
“THIS IS THE 4TH FAILURE OF THE CYLINDER HEAD GASKET SINCE 3/99...GM AND THE DEALER REFUSED TO FIX THIS LATEST FAILURE UNDER WARRANTY”
“LEAKING COOLANT TOOK TO DEALER AFTER RECIEVING A LITTER FORM CHEVY, THEY REPLACED HEAD GASKET. ONE YEAR LATER COOLANT IS LEAKING AGAIN”
“MASSIVE LEAKS OF COOLANT DUE TO FAULTY GASKET CHECK ENGINE LIGHT REMAINS CONSTANT RUNNING THROUGH A BOTTLE OF ANTIFREEZE A DAY B/C OF SAID LEAK”