94 gmc 1500 5.7. Blew manifold gasket. Replaced it and its overheating. Replaced thermostat, radiator. Now will overheat, return to normal. bob up and down. Have great heat in cab all the time.
Air in the coolant system?
was the 2nd manifold gasket over last few months. 1st was botchedjob. could it be old gasket sealant in system? Anything I can use to get it out? How can I get air out of system?
Looking for a Used Sierra 1500 in your area?
CarGurus has 58,872 nationwide Sierra 1500 listings starting at $2,495.
Search GMC Sierra 1500 Questions
GMC Sierra 1500 Experts