OVERHEATING.

  • Tiny
  • Krissy
  • CADILLAC STS

I just bought a 1995 Cadillac STS, the guy I bought it from said it was in good condition. When I was driving it home it overheated. WHy is the car doing this. Also, when I open the door with the key to the car the alarm goes off and I dont know how to make this problem stop either. Please help. Thanks Krissy

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Wednesday, May 23rd, 2007 AT 1:21 PM

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  • Tiny
  • Rasmataz
  • MEMBER

Try replacing the thermostat-not it do the following below:

Have it block and pressure tested-do the block first to pinpoint a combustion leaking into the cooling system or a gas analyzer to sniff for hydrocarbons at the radiator fill neck.

Pressure test: do not do a pressure test if there's leakage at the headgasket this might cause coolant into the cylinders and lock it up or bend a connecting rod if cranked thereafter. The headgasket should be repaired before doing the pressure test.

If the block and pressure test passes check the following: Thermostat, Pressure test the Rad. Cap, Clogged radiator, Fan clutch, Radiator electrical fan, collaspe hoses, water pump.

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Friday, May 25th, 2007 AT 2:36 AM

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