Question about 1990 Oldsmobile Cutlass Supreme Conv

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My one peice belt broke on the motor the car overheated

After putting a new belt on the tempercer gauge is still saying overheating ,eventho the car sat overnite,soon as you start the car it reads overheating,runs good no signs of overheating,but the tempercer gauge is still saying overheating,no water pump problem,no low coolant lite,no thermostat bubbling in the hose I,m stuck

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Check your coolant temp. sensor, unplug it and see what gauge does if it drops replace it, sit in the area of the thermostat.

Posted on May 28, 2010

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Replace coolant tempature sensor :) be careful not to over torque

Posted on May 28, 2010

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1 Answer

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Overheating


Is the car actually overheating or are you just getting a red temp symbol on the dash? What does your temp gauge say? If it is indeed overheating and they did replace all the parts you say they did, they probably didn't bleed the cooling system properly. If any air is trapped in the system, it will cause a overheat condition. Take it back and tell them to bleed it right. Make sure they tightened up your radiator overflow/fill bottle cap as well...turn it until it "snaps". Now if the car is not physically overheating, and the temp gauge shows normal with the needle straight up (~190F), but you show a red temp symbol on the dash, your coolant level sensor in the overflow/fill bottle cap could be defective, the harness that plugs into it could be loose and/or your coolant level is too high. Lower the level until it is in the cross-hatch area printed on the bottle and reseat the connector. If it still has the red temp symbol, chances are very good the sensor in the bottle went bad. Mine went bad on my 04 Jetta 2.0 and I got a constant red symbol on the dash. Hope this helps you out.

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If its either of the Quad-4's they were notorious for heads warping or cracking.

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1 Answer

It wont start


well it may have overheated
if this has happend your motor may have died
did you check the temp gauge while the belt was loose

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