1992 olds cierra running hot

1992 OLDSMOBILE
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DUK748
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hello - 1st time here - i have a 1992 olds cierra that has had the entire cooling system replaced - new radiator, themostat, head gaskets, pressure tested the system - the temp gauge shows the car is running a little over the 1/2 way mark & somtimes it shows running hot - this happens sporatically - seems like when the car warms up & is running for a while it goes away - or it jumps up in temp & then quickly goes back down - i have almost $2k invested in this problem - i have checked the fan to make sure it is running & not slipping for the radiator & it is good - this is my only car & i am half afraid to drive it like this - any help would be greatly appreciated - thank you - it is the 6cyl - milage is 80-100k
Feb 21, 2007 at 6:18 AM
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KIN CHAN
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Have u try calling the fire dept yet???.....heh heh heh heh..just kidding...
ur problem is easy....1st u wanna be sure that ur system is over heating or just bad gages inaccuracy..B4 SWAPPING PARTS AND HOPE U FIX THE PROBLEM!!!!!! ... have a shop using a scanner and read the coolant temp value while it appears to be over heating ....if it verify then it is easy...
--) over heating at low spd or stop --> fan problem
--) over heating all the time ...pressure test for coolant lost
--no coolant lost --> chk cap make sure it holds pressure or have the coolant tester on to verfy system pressure
--- if every thing chk outs ..then use thermometer to pin point sys blockage ..cuz thats clearly a flow or circulation issue...
no problem at all...not need spend $2K ...just some process of elimination...good luck man
Feb 21, 2007 at 11:34 AM