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Cadillac steering & suspension repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2007 Cadillac STS - Steering & Suspension - 4/14/2014
    Every pothole rocks the car. There is no difference in touring or performance. Does this require new susp? Cost est?
    Bought used. Not obvious when I purchased it. Dealer said this is "not your Daddy's cadillac" when I noted it seemed a bit rough.
    • HouseCallAuto
      4/14/2014 HouseCallAuto
      It needs to be checked for tire condition first off as tires really cushion the ride besides the function of struts and shocks. Confirm that all 4 corners of the car can be jounced and see the suspension go down a little and then rebound back. If one of the struts were *frozen* the body will dot jounce on that corner.
  • AutoMD Member
    AutoMD Member - 1997 Cadillac Seville - Steering & Suspension - 3/17/2014
    Does a 97 Cadillac Seville have rear tie rods?
    I couldn't see where they would be when I took the rear tires off.
    • HouseCallAuto
      3/17/2014 HouseCallAuto
      There is a component that serves a similar function as a tie rod but it is called a Toe link. Here is an exploded view of the part that another person is confused about >>
      3/17/2014 AutoMD Member
      Awesome, thanks! I'll have to check that out then...*sigh* and return the tie rods...have some play in the rear passenger tire, and need to figure out what needs replaced.
  • AutoMD Member
    AutoMD Member - 1987 Cadillac Eldorado - Steering & Suspension - 1/28/2014
    Steering binds up when starting or slowing, also I feel a thumping in the front end.
    Vehicle has 103459 miles I have replaced the powe steering pump and the steering tires. Nothing that I could see seemed to be loose .I sure would appreciate any suggestions
    • HouseCallAuto
      1/28/2014 HouseCallAuto
      The rack and pinion ass'y has to be replaced. This binding you metion was common and that is the fix.
      1/28/2014 AutoMD Member
      thank you
    • Jimm
      1/28/2014 Jimm
      The parts are readily available from these many on-line sources,,,,, - to list only a few possibilities. For example, they (RockAuto) list the steering rack and pinion assembly (remanufactured) from around $51.00 for your vehicle.
  • rcg
    rcg - 1994 Cadillac DeVille - Steering & Suspension - 1/24/2014
    Have a loud humming sound which stops when wheel is turned left
    • Nissan Technical Advisor
      Hi there, I suspect your belt is worn. Check if it has a crack or loose. Replace if necessary.
      Nissan Technical Advisor
      1/24/2014 AutoMD Member
      35 year man If it only makes that noise turning to the left it may be you'r left front wheel bearing. Turning to the left takes the weight off the bearing thus reducing the friction and noise for that moment. Knowledge is power. good luck. JRHardy
    • AutoMD Member
      1/24/2014 AutoMD Member
      35 year man.If it only makes that noise turning to the left,it may be you'r left front wheel bearing. Turning to the left takes the weight off the bearing thus reducing the friction and noise for that moment.Knowledge is power.Good luck.JRHardy
    • HouseCallAuto
      1/24/2014 HouseCallAuto
      You have a bad front wheel bearing. Whichever side is humming is the side that should be replaced. This description of your issue fits exactly with the known common front wheel bearing failures on many vehicles.
  • todd
    todd - 2004 Cadillac Escalade - Steering & Suspension - 1/1/2014
    Turn ign on i no longer hear the rear shocks auto level adjust
    • HouseCallAuto
      1/1/2014 HouseCallAuto
      In most cases the air suspension compressor is junk. There is a much smaller percentage that there is another cause. The air suspension system is diagnosed by reading fault codes that are stored in the air suspension module, but these codes can only be accessed by a professional shop grade scan tool that has the software to communicate with the air suspension module and read data and codes. If you were to access the codes for example and had a code C0660 that would be more reason to replace the compressor ass'y.
  • AutoMD Member
    AutoMD Member - 1998 Cadillac DeVille - Steering & Suspension - 11/1/2013
    Why does my car bottom out at dips in the road
    62,000 the car rear seems to be lower than the front
    • AutoMD Member
      11/1/2013 AutoMD Member
      does this car have shocks
    • HouseCallAuto
      11/1/2013 HouseCallAuto
      Your car might have automatic level control in which case your rear shocks are air shocks. If the shocks are not receiving air from the air compressor or the air is leaking from the shocks then the system needs a diagnosis and repair and yes you would be bottoming out.
  • greg
    greg - 2003 Cadillac DeVille - Steering & Suspension - 8/24/2013
    What can make power steering leak
    i have to put some in two times a week
    • CVO
      8/24/2013 CVO
      1.The connections between the hoses and the other steering system components can leak if the connection is not tight or if a seal is defective. Leaks are most common in the pressure hose due to the high operating pressure of the system.

      2.The power steering pump can also be a source of leaks. Sometimes the pressure created by the pump will cause a crack in the pump casing, or the seal around the pump shaft may be worn.

      3.Rack or Steering Gear Housing.
    • Jimm
      8/24/2013 Jimm
      Since the power steering system is hydraulic and operates with fluid under pressure - there are several possibilities for leakage. Some of these are; the power steering pressure or return hoses, the power steering pump, the steering gear.
      As a first step to determine the exact leak source, thoroughly clean all the components of dirt and residual oil - especially the steering hoses and fittings. Then, add / refill the steering fluid level and drive normally - the leak point should be visible.

      Check the many on-line auto parts sources, such as;,, and - to list only a few. For example, they (RockAuto) list the power steering pressure hose from around $30.00 for your vehicle.
  • frank
    frank - 2004 Cadillac DeVille - Steering & Suspension - 8/19/2013
    Shaking when over 65mph
    i changed my front hubs, and i bought 4 new tires, balanced obviously. should i try the cv axles next or maybe the struts? i know the struts are worn by hitting a big bump and the tire will hit the tower. but would that cause front end shaking also at high speeds? ...
    • ballstatefan05
      8/19/2013 ballstatefan05
      I had this same problem. Just replaced front struts and that led to replacing cv axles and left inner tie rod. I had a terrible vibration over 59 mph that wasn't there before the struts.I had the tires balanced 4 times in 2 weeks. They looked the suspension over with a fine tooth comb and didn't find any other issues. FINALLY they did what they called a finger balance and rotated the tires AGAIN. Fixed my problem. I guess the finger balance is WAY more sensitive than the traditional balance. It costs more, but that will be the way I go from now on. Not all service places have this balancer though, so It might take some digging to find somewhere. Good luck I know vibrations can be a tricky thing to find since there are so many moving components under the car.
      8/19/2013 frank
      turns out it was the rear shocks, theres a control arm in the rear suspension on this cadillac. its the 1st car i owned without a rear axle. so note to self, if you have tie-rods and a control arm the shocks gotta be in good shape. they cant even do an alignment if there weak. but thx guys for the info.
    • wbrockstar
      8/1/2013 wbrockstar
      Yes struts will definately cause your problem.Check the ball joints for play,looseness too with both front wheels off the ground
      8/1/2013 wbrockstar
      Ball joints and struts cause up and down shaking of steering wheel and tie rods,tie rod ends cause left to right steering wheel shaking..For ball joint check,push in on top front of tire while you are pulling the bottom of tire towards you,in a rocking front to back motion.Youll feel slack and loose feeling when theyre bad.Theyll make a clunking noise normally while youre doin this,indicating theyre bad
      8/2/2013 frank
      thanx buddy
    • wbrockstar
      8/2/2013 wbrockstar
      If you wanna check cv axles,turn wheel completely to the right or left,back up slowly and listen for a popping or clicking sound.This indicates possible cv joint problem.The side of car that makes noise is the one to replace,so listen carefully.On the struts,the shaking comes because not only does the strut cushion the ride,but when you hit a bump,the strut pulls the tire back against the roads surface keeping your tire glued to the road basically
      8/3/2013 frank
      but why only over 65mph does it shake? under 65 it runs so smooth.
  • greg
    greg - 2003 Cadillac DeVille - Steering & Suspension - 7/12/2013
    What make power sterring low
    i keep having to add power steering fluid
    • Jimm
      7/12/2013 Jimm
      This means there is a leak somewhere in the power steering sytem; leaking / faulty pressure or return hose, leaking power steering pump - or another component. Try the 'How-To-Guides' feature on the AutoMD website for the steps to diagnose the steering system for a leak.

      You might use the visual method - after refilling the system to the correct fluid level, then wipe down / clean every bit of dirt and grime from the pump and hoses - to be able to spot where the fluid might be leaking from.
      Also, place a length of cardboard under the steering pump to locate the spot where fluid maybe dripping from.

      Check the following auto parts sources for the replacement parts;,, - to list only a few possible sources.
  • bigfella1978
    bigfella1978 - 1996 Cadillac Seville - Steering & Suspension - 5/19/2013
    Why is my front passenger tire starting to wobble all of a sudden.
    i have new tires but it feels like the bolts are loose but there not
    • Jimm
      5/19/2013 Jimm
      Rasie the front end - on the passenger side (support with jack stands) - to remove the front wheel and check the following items; loose / worn wheel bearing, loose / worn front hub assembly, loose spindle nut, and also check the wheel (rim) itself for any warp or out-of-round / runout condition. Replace as necessary.

      Check the many on-line auto parts sources, such as; www.autopartswarehouse or for the replacement parts. For example, they (RockAuto) list the front wheel hub / bearing assembly from around $33.70 for your vehicle.
  • Big louie
    Big louie - 2003 Cadillac CTS - Steering & Suspension - 6/22/2010
    How do you align the gear that is inside the lock timbler?
  • Shaun102078
    Shaun102078 - 2004 Cadillac SRX - Steering & Suspension - 4/7/2013
    What tools do i need to remove a power steering pump for a 2004 cadillac srx
    0 answer
  • jan.wiberg
    jan.wiberg - 2002 Cadillac DeVille - Steering & Suspension - 4/7/2013
    Rear shocks not functioning and air compressor not functioning
    The rear shocks are connected to an air compressor that (I assume) adjusts the level of the rear. The compressor does not work. Is it possible to replce the shocks with ones that does not require pressured air? I found Monroe Twin-tube, Part Number: ...
    • Jimm
      4/7/2013 Jimm
      Yes, the broken air hose may be the reason for the rear shocks and compressor not working - with the air leak, the shocks cannot be pressurized. I'd recommend to fix the air hose as first step to see if this solves the problem. The air hose kit for the rear is around $7.25 (source:

      As for your second question, it is possible to install an air shock conversion kit to replace the air suspension with hydraulic style shocks. Check the many on-line auto parts sources, such as; or for the parts. For example, they (RockAuto) list the Monroe pn 90007 kit (rear shocks) from around $105.00 for your vehicle.
  • Hughes7516
    Hughes7516 - 1996 Cadillac DeVille - Steering & Suspension - 2/27/2013
    How to replace the struts and shocks
    I am changing from the electronic air system to regular load bearing suspension. Anything special I need to do to null out the computer?
    0 answer
  • dubdub79
    dubdub79 - 1999 Cadillac DeVille - Steering & Suspension - 2/17/2013
    Where is the level ride fuse and relay on a 99 cadillac deville
    The compressor works if u jump it and i changed the level switch already
    • midnightrun8
      2/17/2013 midnightrun8
      its in the rear fuse box under the rear seat the fuse should be a 30 amp fuse and its green in color the relay sits next to this fuse
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