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Cadillac engine repair questions and answers

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  • poindexter1832
    poindexter1832 - 2003 Cadillac CTS - Engine - 5/5/2013
    If the comp cam brakes will that lock up a motor
     
    • Jimm
      12/14/2012 Jimm
      Need more information - what is meant by 'comp cam'?
      Jimm
      12/15/2012 poindexter1832
      the mechanic said there were broken parts inside the motor, and he don,t know were they came from. and he said something about cam shaft may have broke.the car had oil in it and the pump was working.
    • Jimm
      12/17/2012 Jimm
      OK - if the camshaft is broken, then Yes that will lock the motor from turning / operating. Your choices are limited to; replace or rebuild the existing engine if it's even rebuildable (depending upon the damage), or exchange the engine for a rebuild.

      Try the many on-line auto parts sources; such as - www.autopartswarehouse.com, www.partsgeek.com or www.rockauto.com for the replacement parts. The replacement rebuilt engine lists for around $1800.00 or more - for the long block (minus accessories and labor to install).
      Jimm
      12/26/2012 poindexter1832
      i have insurance.but i have one more question. i had a used thottle body put on this year,i don,t know if the tech put on a new gasket or not can that lock the motor.?
    • michaelrickey
      5/5/2013 michaelrickey
      No not in any way shape or form!
  • Schwabyjc
    Schwabyjc - 2007 Cadillac Escalade - Engine - 5/5/2013
    Dealer says 'oil filter housing' is cracked and needs to b placed.what is the oil filter housing?
    Occasional oil drip on garage floor
     
    • michaelrickey
      5/5/2013 michaelrickey
      This is a cast standoff like piece where the oil filter spins on.
  • plipkin3
    plipkin3 - 2001 Cadillac DeVille - Engine - 5/5/2013
    Fuel date center display starts flashing between functions after driving for a while (gets hot?)
    Have replace control, no effect. Change oil light also starts flashing.
     
    • frankiedonnn
      5/5/2013 frankiedonnn
      Changing the oil and filter is definitely a good idea if it has'nt already been changed recently.But look for low coolant level and visible leaks from radiator and connecting hoses,water-pump weep- hole.Check for worn drive-belts.If the water-pump drive-belt is slipping ,it would overheat.If it's a pre owned car one does'nt know if the belts have ever be replaced,so i would replace them unless they look really new.Also I would flush the cooling system and replace the coolant because coolant loses it's effectiveness after a year or two.A lot of little things together can cause an engine to overheat.But it is important to consider big problems too like coolant in the engine oil or oil in the coolant which you will notice when checking coolant and oil levels.I hope it is something small.
  • poppygigt
    poppygigt - 1998 Cadillac Seville - Engine - 5/4/2013
    How to replace rear spark plugs
    what has to be removed to do it
     
    • Jimm
      5/4/2013 Jimm
      For access to the rear mounted spark plugs - it's best to raise the front end (support on jack stands) and remove the front wheels. The spark plugs can be accessed through the front fenderwells to the engine.
  • quesadaguard-purchases
    quesadaguard-purchases - 2001 Cadillac Seville - Engine - 5/4/2013
    Why do cold air from side and hot air from the other side.
    mileage 55,000. I have taken it to the dealer several times and 1st time they inserted coolant. 2 time they said part was filled with air and they added more coolant.
     
    • Jimm
      5/4/2013 Jimm
      Need more information - are you referring to the air conditioning system? Are you referring to the vent controls out-of-adjustment? What service or part did the dealer say was...'filled with air'?
    • CVO
      5/4/2013 CVO
      The system is low on refrigerant, and only after it is confirmed if it is in need of refrigerant or not can the blend door actuator be a cause. This is a confusing symptom - cold on pass side and hot on the other, it even throws off good mechanics, but in the majority of cases the cause simply is that the system is low, The refrigerant only fills half of the evaporator and the half that it fills is directly inline with the pass side ducting and the other side that lacks refrigerant is inline with the driver side ducting.

      HouseCallAuto
      Cool on the driver side and hot on the pass side is almost always caused by a faulty pass side blend door actuator. If it were the reverse (cool on pass side and hot on driver side the cause is always that the system is low on refrigerant.)
  • l.little1210
    l.little1210 - 2005 Cadillac CTS - Engine - 5/2/2013
    The car sounds like a dirt bike when i crank it
     
    • frankiedonnn
      5/2/2013 frankiedonnn
      It sounds like exhaust manifold gasket, muffler.Exhaust problem some where.
  • pattil1990
    pattil1990 - 2005 Cadillac SRX - Engine - 4/30/2013
    I was hit in the rear last year doing about $4000 damage to my vehicle.
    Because I had it repaired at Maroone there is a life time warranty on the repair. They relaced the exhaust system but ever since I have had problem with the catalytic convertor is not emitting through the engine . It is running very rough and I would like to know if ...
     
    0 answer
  • littlemelvin68
    littlemelvin68 - 2007 Cadillac CTS - Engine - 4/28/2013
    My speedometer shows im going faster than i am. whats the problem
    speedometer shows a much higher speed than im actually going.
     
    • CVO
      4/28/2013 CVO
      The instrument panel clusters logic quit and didn't sent the accurate message to the Odometer Digital Speedometer Reverse gear.
  • rronkis
    rronkis - 2003 Cadillac DeVille - Engine - 4/26/2013
    When I start car everything seems fine,after I drive a while & I come to a stop stop the engine pulses in ilde.
    Drove from Fl started about half way from Fl to NY.Been this way for couple of months
     
  • crlynsaunwms
    crlynsaunwms - 2002 Cadillac Escalade - Engine - 4/24/2013
    What is the code PO174 and CO205
    the truck was scanned.
     
    • HouseCallAuto
      4/24/2013 HouseCallAuto
      Most likely cause for the C0205 is a bad Steering Wheel Position Sensor, dealer only part. The P0174 I suggest you first replace the fuel filter unless you already did that.

      Other Possible Causes

      Check for air leaks in the Air Induction system
      Check for air leaks in the exhaust manifold and in the exhaust pipes
      Fuel control sensor is out of calibration (ECT, IAT or MAF)
      Low fuel pressure (fuel filter clogged, pressure regulator failure)
      HO2S has failed (it may be contaminated with fuel, silicone or water)
      One or more injectors restricted or pressure regulator has failed
      Vacuum hose is disconnected, broken, leaking or loose
  • rylen2209
    rylen2209 - 2008 Cadillac STS - Engine - 4/23/2013
    My car is missing real bad and on the highway it sputters and jerks and lacks the power it had i think it needs a tuneup
    when i give it gas it acts like it doesnt wanna go can this be that the coils are spark plugs need to be changed and how much does this cost
     
    • Jimm
      4/23/2013 Jimm
      First step - have the check engine light or stored fault codes scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' for more assistance.

      Possible Causes of Engine Hesitation or Stumble:

      Dirty fuel injectors (cleaning the injectors often fixes this)
      Dirty air filter (change filter)
      Dirty / clogged fuel filter (change filter)
      Bad MAP (manifold absolute pressure) sensor
      Bad TPS (throttle position) sensor
      Bad or dirty MAF (mass airflow) sensor
      Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
      Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • Michael Harvey
    Michael Harvey - 1999 Cadillac DeVille - Engine - 4/21/2013
    MY car is drinking 5qts of oil a month?
     
    • Michael Harvey
      4/21/2013 Michael Harvey
      My car is drinking 5qts of oil a month?
      Michael Harvey
      4/21/2013 Michael Harvey
      Why is this happening.
    • HouseCallAuto
      4/21/2013 HouseCallAuto
      If it has no severe external leak (you would be having oil puddles on the ground and oil smoke) then the engine is burning oil. The fix is a new engine.
  • kserre2000
    kserre2000 - 1997 Cadillac DeVille - Engine - 4/21/2013
    WHATS WRONG?????
    when slowing down or idling the engine vibrates the car. already replaced spark plugs and wires. also had fuel injector cleaned. only has 120,023 miles. just started yesterday . mpg went from 25 to 18. check engine light is on, but codes were for new spark plugs and ...
     
    • Jimm
      4/21/2013 Jimm
      First step - have the check engine light or stored fault codes scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' with the specific fault code for more assistance.

      Possible Causes of Engine Hesitation or Stumble:

      Dirty fuel injectors (cleaning the injectors often fixes this)
      Dirty air filter (change filter)
      Dirty / clogged fuel filter (change filter)
      Bad MAP (manifold absolute pressure) sensor
      Bad TPS (throttle position) sensor
      Bad or dirty MAF (mass airflow) sensor
      Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
      Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • rich
    rich - 2004 Cadillac SRX - Engine - 4/17/2013
    Engine pinging at times
    Sometimes when taking off from a traffic light I notice a pinging from engine
     
    0 answer
  • dawnkent1031
     
    • HouseCallAuto
      4/12/2013 HouseCallAuto
      You will have to supply more specific detail for any of us to help you with this unknown part...
      HouseCallAuto
      4/12/2013 dawnkent1031
      the part has a hose connected to it, it is on the lower right side of the car, it has 2 plugs that plug into it as in electric plugs and a skinny hose or valve hose on top a motor in the middle and has water that goes in it.
    • HouseCallAuto
      4/12/2013 HouseCallAuto
      Is this the part you are referring to here >> https://www.google.com/search

      That is an auxiliary water pump that is only used on few cars, Catera is one of those few. ACDELCO is the only brand it is available in easiest. The part # for this part is ACDELCO Part # 251-606