Question about 1994 Cadillac DeVille

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I just bought a 94 deville concourse. And last night the radiator cap shot off. So I filled it back up with fluid and put the cap back on. Now today it seems to be riding rough. Its slow starting. And sounds like it wants to stall. But it seems to drive ok when I get moving. For now. Whay do I need to do to fix this. Any help much appreciated.

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  • 241 Answers

Try to change only your radiator cap.
if it is not fix causes your engine got overheat.

Posted on Feb 24, 2012

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Posted on Jan 02, 2017

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chiquititas
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SOURCE: 1994 Cadillac DeVille Concourse - Runs rough?

The "check engine" light will "light" when there is a malfunction in the engine management system. The fault code is then stored in the computer. The computer must be scanned to retrieve these stored faults to pinpoint the malfunctioning component. We recommend buying your own scanner and doing it yourself. With a pocket scanner you can check for fault codes to find out why the light came on in the first place. You can clear your cars trouble codes after you replace the malfunctioning sensors.

Posted on Jun 26, 2008

  • 1 Answer

SOURCE: 94 Cadillac Concourse Dash color code chart

dawg i had the same problem and there is no way out of this! Believe me i tried it and fired the dash board twice!! I had everything workin got my bangs on and boom like 3 min later it frys. Best bet...go and get the wiring harness. 100 bucks :( but its the only one for ALL Cadillacs! I didnt want to spend the money for it but its was better than frying the dash again and better than using the piece of **** stock radio :)

Posted on Nov 16, 2008

arauzvictor1
  • 466 Answers

SOURCE: my 94 cadillac deville concourse is overheating i

You have to see if the fan works, see the thermostat, check if you have no drain coolant.Nota You should vary the thermostatato.Gracias good luck and I hope your comment ...

Posted on Jan 28, 2010

  • 395 Answers

SOURCE: my 99 cadillac deville concourse is leaking

check is with a radiator tester to find leak it hooks on to the radiator where the cap is you pump it up and see if the pressure gauge goes down and it will let you hear or see where it's coming from. if you cant get one check all hoses and the thermostat housing.

Posted on May 22, 2010

  • 176 Answers

SOURCE: how do put freon in a cadillac deville concourse

the answer is simple. you DO NOT!! Even a \licensed mechanic can not if the situation doesn't warrent it. These situations are controlled by the EPA to reduct ground water contamination and putting OSONE IN THE AIR.

Posted on Jun 20, 2010

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  • Add a mixture of one-half water and one-half antifreeze to the radiator. Fill it right up to the top.

  • 2

    Fill the overflow/coolant reservoir with the same 50/50 mixture.

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    Leave the radiator cap off, turn the engine on and let it run until the radiator "burps": You will see the coolant level drop and may see or hear a large air bubble come to the top as the system burps.

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    Refill the radiator to the top and coolant reservoir as needed.

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    Put the radiator cap back on.


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    How do put freon in a cadillac deville concourse


    the answer is simple. you DO NOT!! Even a \licensed mechanic can not if the situation doesn't warrent it. These situations are controlled by the EPA to reduct ground water contamination and putting OSONE IN THE AIR.

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    My 99 cadillac deville concourse is leaking coolant but don't know where its coming from, I replace the radiator and its still leaking


    check is with a radiator tester to find leak it hooks on to the radiator where the cap is you pump it up and see if the pressure gauge goes down and it will let you hear or see where it's coming from. if you cant get one check all hoses and the thermostat housing.

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    94 Cadillac Concourse Dash color code chart


    dawg i had the same problem and there is no way out of this! Believe me i tried it and fired the dash board twice!! I had everything workin got my bangs on and boom like 3 min later it frys. Best bet...go and get the wiring harness. 100 bucks :( but its the only one for ALL Cadillacs! I didnt want to spend the money for it but its was better than frying the dash again and better than using the piece of **** stock radio :)

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