Sunday, February 26, 2012

1992 buick roadmaster 5.7 runs hot when pulling hills fan clutch has been replaced?

I have noticed a small seep of anti freeze from the front of the intake.Radiator seems to be circulating good.Any one having had this problem and was able to fix it.1992 buick roadmaster 5.7 runs hot when pulling hills fan clutch has been replaced?at the front of the intake, is where the uupper hose connects to the thermostat housing. you may have a loose radiator clamp at that junction might. try tighting the clamp on the upper hose, at the housing. with you loosing temp. pressure, your thermostat will not regulate the water temp. properly. be sure that you have your anyifreeze, and water in the radiator mixed properly, 50/50, half water, half antifreeze. also , be sure you have a good 5/30 sae motor oil in the ctrankcase. I would start with the upper hose at the thermo. housing. good luck!!1992 buick roadmaster 5.7 runs hot when pulling hills fan clutch has been replaced?any seep is a bad sign, where antifreeze leaks out air enters, and air heats faster than water your coolant is likely becoming airated, shake a water bottle up this is airation but coolant reatains the bubbles better, it may be a thrmostat gasket (o ring) replace the O ring seal make sure you clean the surfaces, and refill. a presure test wouldn't hurt either.

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