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Cadillac engine repair questions and answers

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  • AMFleetwood
    AMFleetwood - 1983 Cadillac Fleetwood - Engine - 10/30/2014
    Cadillac fleetwood brougham electrical issue
    My cadillac has just recently(as is driving home from work) started acting like the alternator isnt working, and I just got a service soon light on the dash board. The no charge light hasnt come on and I know the bulb isnt blown, but I managed to limp my car home ...
     
    0 answer
  • carl rowe
    carl rowe - 1997 Cadillac Eldorado - Engine - 10/30/2014
    Trying to find ground wire on gas tank
    gauge not working properly
     
    0 answer
  • pbyrd1
    pbyrd1 - 2002 Cadillac DeVille - Engine - 10/26/2014
    Complications after reseal
    88k miles, 2002 northstar, had reseal done in Jan 14 - came home very noisy (valve / lifter type noise upon acceleration) and running rough. Immediately back to shop- was told that computer had to be told to resynch the cam and crank. Noise persisted - was told ...
     
    • alex
      10/26/2014 alex
      what all did they re seal . there is only 2 places for the engine to pull that much oil either the rings or the valve and valve guide. from the knock sound you heard under a load i would say the ring grooves in a piston are broaken. have the shop do a leak down test and they will know if it is a valve problem or a piston problem.
      alex
      10/27/2014 pbyrd1
      Thanks, will offer this suggestion.
  • Dspeck
    Dspeck - 2001 Cadillac DeVille - Engine - 10/25/2014
    I Was inspacting my blower motor I disconnected the relay and what I believe was the power source to the motor I believe
    I have a bad blower motor so I reconnected the wiring and then tried to start my car it would not start it was reading that I have no gas when I know I have gas my head lights won't come on I can not pop my trunk I can not open the door to where I put in gas at I ...
     
    0 answer
  • Dspeck
    Dspeck - 2001 Cadillac DeVille - Engine - 10/25/2014
    I Was inspacting my blower motor I disconnected the relay and what I believe was the power source to the motor I believe
    I have a bad blower motor so I reconnected the wiring and then tried to start my car it would not start it was reading that I have no gas when I know I have gas my head lights won't come on I can not pop my trunk I can not open the door to where I put in gas at I ...
     
    0 answer
  • Jrob
    Jrob - 2000 Cadillac DeVille - Engine - 9/30/2014
    My engine is overheating after driving for a few minutes.
    The dash is saying add coolent.
     
    • alex
      9/30/2014 alex
      start by adding coolant see if you can find where the old coolant went it will leave a white build up. if you dont see a leaky spot check you engine oil unless it was changed a day or two ago it should be black if it is the color of coffee with cream in it either the head gasket is leaking or the head is cracked. if it overheated and blew out the antifreeze i would start with a thermostat and if that doesnt get it replace the water pump.
  • RJS3679
    RJS3679 - 2011 Cadillac CTS - Engine - 9/22/2014
    If I installed a 3.6L mass airflow sensor on my 3.0L would it cause a check engine light?
    my 3.0L is fitted with an aftermarket air intake system for a 3.6L, therefore installing a mass airflow sensor from a 3.6L would make it easier to have the sensor fit into the intake system.
     
    • Jimm
      9/21/2014 Jimm
      Yes, the 3.6L MAF sensor will cause the fault codes / check engine light.
      Jimm
      9/21/2014 RJS3679
      thanks, would you happen to know if a 3.0L MAF sensor would mount into the tube the 3.6L MAF sensor is installed into? I've been researching that myself and haven't been able to find much on it.
    • Jimm
      9/22/2014 Jimm
      The 3.6L MAF sensor = AC Delco part # 2134250, and GM #15875837, and the 3.0L MAF sensor = AC Delco part # 2134343, and GM #10393948.

      Two different calibration sensors for two different engine sizes - not interchangeable.
  • rod
    rod - 2003 Cadillac Escalade - Engine - 9/18/2014
    Can hear and feel air blowing after truck turned off and key out
    Can feel air on drivers side by feet. Went to dinner cameout truck wouldnt start. Got a jump it started got home key out air blowing again . Any ideas and is it safe to keep in garage overnight
     
    0 answer
  • rod
    rod - 2003 Cadillac Escalade - Engine - 9/18/2014
    Air blowing after key out of car and car turned off . Engine died after getting jump drove home air still blowing
    You can feel the air on the drivers side by the feet.
     
    0 answer
  • allen
    allen - 1994 Cadillac DeVille - Engine - 9/16/2014
    I can't get the car to start.
    the car wants to turn over but it want.
     
    • jdl
      9/16/2014 jdl
      Are you saying the starter motor cranks ok, but the vehicle won't start? If so, have a helper crank it while you visually check for spark at the spark plugs. If that checks out, use a gage and check fuel pressure. Also, check for applicable codes.

      If your saying the starter motor won't work, then check the wiring circuits at the starter motor. Any testing at the starter, make sure tranny is in park or neutral and the parking brake is set.
  • allen
    allen - 1994 Cadillac DeVille - Engine - 9/16/2014
    I can't get the car to start.
    the car wants to turn over but it want.
     
    0 answer
  • Garrin
    Garrin - 2001 Cadillac DeVille - Engine - 9/8/2014
    Why wont it start? Why is it clicking?
    My 2001 Cadillac DeVille wont start. All i got was a clicking sound and a "service theft system" message.
     
  • steph
    steph - 1999 Cadillac DeVille - Engine - 9/7/2014
    Dash lights, ac, radio go out, then com back on
    59,000 miles...intermittent, last time radio stayed on but ac, dash lights went out.
     
    0 answer
  • chris feldkircher
    chris feldkircher - 1991 Cadillac DeVille - Engine - 9/1/2014
    Car has been sitting for 6 years runs rough and has no power
    put new plugs in wires look good no check eng on
     
    • jdl
      9/1/2014 jdl
      I do hope you checked all the fluids before you tried to crank it? Did you use a little oil in each cylinder before you tired to crank it? Not too much oil, you don't want hydrostatic lock? Check oil pressure. Give it an overall tune-up. Check fuel pressure? Have you changed the fuel filter, lately? If you change fuel filter, make sure no pressure on the system before taking any lines loose.

      Usually if a vehicle sits that long you need to check for varmint nests, they do like to chew on wiring. Did you visually check for spark at all the spark plugs?

      I'd check for codes anyway.
      jdl
      wires ok put new plugs in car feels like its holding back when acc
  • AutoMD Member
    AutoMD Member - 1997 Cadillac DeVille - Engine - 8/31/2014
    Want to knw if I have to pull motor out to replace head gaskets on my 97 Deville also what cubic size is max for it
    Want to knw what's another option for a Lil more horse power how much bigger of a motor can I fit in a 97 Deville can i replace head gaskets while motor is installed
     
    • joshand ash
      8/31/2014 joshand ash
      No u dont have to pull the motor but it does take patience and time. Alot of sesors and other parts have to come off to change them. The cams and lifters is the parts that u have to be extra careful with. Also the water pumps on the drivers side instead of the pass side. It to has to be removed. Pictures before and during may help out alot. Good luck and about the other question im not for sure.