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Cadillac preventive maintenance repair questions and answers

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  • bob
    bob - 1998 Cadillac DeVille - Preventive Maintenance - 12/7/2011
    My car will not start should i replace my crankshaft sensor first.and what will be the next be or what do i need to do f
    do i need to replace cranksensor
     
    • Jay Giron
      12/7/2011 Jay Giron
      1. Check if your getting spark first. Unplug a spark plug wire and lay it close to a bit of grounded bare chassis or body metal, have someone crank the engine and watch to see if it sparks.
      2. Check your fuel pressure whit a fuel pressure gauge. The pressure should be 41-47 PSI (Pounds per Square Inch)Position the ignition switch and the A/C system in theoff position. Install a fuel pressure gauge to thevehicles fuel rail or fuel pressure test port.Confirm that no leaks are present, and visuallyverify the PSI reading on the gauge with the ignitionin the on position.

      If you have no spark then you could start changing the crank and cam sensors. But if you have low or no fuel pressure the you have a fuel system. Check fuel relay the fuel pump if turns on when turning the key.


  • kicker
    kicker - 2004 Cadillac Escalade - Preventive Maintenance - 12/4/2011
    My service airbags light comes on and off, I am well off with minor electricals and mechanicals. Any suggestions?
    Airbag service light has been coming on and off for a while, a friend told me it's the wiring harness in the steering column. True?
     
    • Bill
      12/4/2011 Bill
      Whether true or false this is a dealer only item in my opinion to repair for your continued safety.
  • grace
    grace - 2003 Cadillac CTS - Preventive Maintenance - 12/4/2011
    Why is my "stability system engaged" light coming on?
     
    0 answer
  • Stephan Sr.
    Stephan Sr. - 1996 Cadillac DeVille - Preventive Maintenance - 11/26/2011
    Where are the fuses for the stereo system located?
     
    • Bill
      11/26/2011 Bill
      Look in the trunk area by the power amps.
  • dino
    dino - 1986 Cadillac Fleetwood - Preventive Maintenance - 11/26/2011
    Where is the fuse box on a 1983 Fleetwood Brougham? Thanks
     
    • jdl
      11/20/2011 jdl
      Which is it 86 or 83? Don't know that it makes a difference. It says 86 in the post tiltle and 83 in your post?
      jdl
      11/20/2011 jdl
      My info says the fuse block is under the left side of dash.
    • yboy82
      11/26/2011 yboy82
      Did you check by the steering column?
  • dino
    dino - 1986 Cadillac Fleetwood - Preventive Maintenance - 11/26/2011
    Where is the fuse box on a 1983 Fleetwood Brougham? Thanks
     
    • yboy82
      11/26/2011 yboy82
      Did you check by the steering column and under the left side of dash?
  • dino
    dino - 1986 Cadillac Fleetwood - Preventive Maintenance - 11/26/2011
    Where is the fuse box on a 1983 Fleetwood Brougham? Thanks
     
    • yboy82
      11/26/2011 yboy82
      Did you check by the steering column and under the left side of dash?
  • dino
    dino - 1986 Cadillac Fleetwood - Preventive Maintenance - 11/26/2011
    Where is the fuse box on a 1983 Fleetwood Brougham? Thanks
     
    • yboy82
      11/26/2011 yboy82
      Did you check by your steering column?
  • victorott
    victorott - 1998 Cadillac Seville - Preventive Maintenance - 11/18/2011
    How do i change the waterpump drive belt?
    before i start removing nuts to get to the belt,is this an easy job or not one for a non-mechanic?
     
    • Spoon Sports
      10/19/2011 Spoon Sports
      Use a socket on the bolt head and an open end or box wrench on the nut. Loosen the nut and then pull the bolt out of the "dog bone" aka torque strut. Rotate it up and out of the way. Now look at the belt tensioner. There is a 1/4" square hole in the back side. Use the drive lug from a 1/4" breaker bar or ratchet to rotate it and relieve the tension to get the belt off. Inspect that tensioner closely.
    • peter
      10/19/2011 peter
      how i know when me car need to align
      peter
      10/19/2011 Bill
      If same person, and tires are in excellent shape, go down a straight road at around 35 mph and let go of the steering wheel, If car wanders it is in need of a wheel alignment.
      peter
      10/20/2011 peter
      good good
    • peter
      10/20/2011 peter
      when align a car ana the car keep on wanders to one side of the road what is going on.
    • Spoon Sports
      11/18/2011 Spoon Sports
      When does the car pull? Does it happen when you are driving on a straight flat road? Is it only when you are accelerating? Does it pull only when the brakes are applied?

      If the car pulls while driving at a constant speed on a straight flat road, then you either have a tire inflation problem, mismatched, or defective tires, an alignment problem, or possibly a sticking brake caliper.

      A slight pull under heavy acceleration on a front wheel drive car may be normal. This is called "torque steer" and is caused because the front drive axles are not the exact same length (not a defect, just a fact with most FWD designs) The transmission is not located in the exact center of the car, and on axle must be longer than the other. This causes a pull under hard acceleration!

      If you have a brake problem, it could also cause the car to pull when the brakes are applied.


      Check the tires for obvious problems and correct inflation. If they seem ok, have the car checked by a qualified mechanic.
  • barbara
    barbara - 2000 Cadillac DeVille - Preventive Maintenance - 11/10/2011
    Can I get a diagram with a detailed picture on how to change a Camshaft Position Sensor(free)
    I will have to go to a auto parts store to get part, but some times they do not give a diagram of the way to put the part in. Could I get a free Diagram of this in detail, my dad is putting the part in.
     
    • Jimm
      11/10/2011 Jimm
      Try the local library for the repair manual, or try this website; www.manualspace.com for the repair manual information.
  • caddy
    caddy - 1996 Cadillac DeVille - Preventive Maintenance - 11/7/2011
    What does the service ride control warning on dashboard means?
     
    • Spoon Sports
      11/7/2011 Spoon Sports
      Get it scanned because there may be a fault in the power/ground procedures of the pcm

      You might get these

      I052 keep alive memory loss
      IO39 road sensing data loss

      your struts are probably fine, the PCM will flash a code pertaining to each strut if there bad, the rough road may be aggrivating your PCM's power and ground connections
  • Mark
    Mark - 1986 Cadillac Fleetwood - Preventive Maintenance - 10/28/2011
    The front and back turn signal lights won't blink, although the bulbs are new. What could cause this?
     
    • yboy82
      10/28/2011 yboy82
      A faulty flasher relay and/or blown fuse can cause it.
      yboy82
      11/3/2011 Dale
      flasher located usually under the dash up on the passenger side of the steering column. Kind of a pain.
  • Orland Bergene
    Orland Bergene - 2009 Cadillac CTS - Preventive Maintenance - 10/19/2011
    How do I change a headlamp bulb
     
  • wtfiswwms
    wtfiswwms - 1987 Cadillac Brougham - Preventive Maintenance - 10/18/2011
    Why does the car clatter occassionally when i step on the gas then stops?
    the car runs fine but seems to be gradual at picking up speed...maybe thats normal
     
    0 answer
  • james
    james - 2006 Cadillac Escalade - Preventive Maintenance - 10/13/2011
    How to service the tire monitor
    Tire monitor needs service
     
    • Spoon Sports
      10/13/2011 Spoon Sports
      he learn mode will cancel if:

      if more then 2 minutes have passed and no sensors have been learned,
      or if the PDM has been in learn mode for more than 5 minutes.
      If the learn mode is canceled before any sensor has been learned,
      the PDM will remember all current sensor Ids and their locations.
      As soon as the fist sensor Id code is learned, all other Ids are erased from the PDM's memory.

      1. Turn ON the ignition, with the engine OFF.
      2. Apply the parking brake.

      If the TPM learn mode cannot be enabled, ensure the TPM system
      is enabled in the PDM. Refer to Control Module Setup .

      3. Turn the exterior lamp switch from OFF to parking lamps 4 times within 4 seconds.
      A double horn chirp will sound and the low tire pressure indicator will begin to flash
      indicating the TPM learn mode has been enabled.

      If a horn chirp does not sound after 35 seconds for any of the 4 sensors, turn the
      ignition OFF to exit the learn mode and repeat the procedure from step 1.

      4. Starting with the left front tire, hold the antenna of the controller against the tire sidewall close to the wheel rim at the valve stem location then press and release the activate button and wait for a horn chirp, or increase/decrease the tire pressure for 8-10 seconds, or until a horn chirp sounds. The horn chirp may occur before the 8-10 second pressure increase/decrease time period has been reached, or up to 30 seconds after the 8-10 second pressure increase/decrease time period has been reached.
      5. After the horn chirp has sounded, proceed as in step 4 for the next 3 sensors in the following order:

      1. Right front
      2. Right rear
      3. Left rear

      6. After all sensors have been learned, exit the learn mode by turning OFF the ignition.
      7. After the learn mode has been exited, adjust all tire pressures to the recommended kPa/psi.