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Jeep steering & suspension repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2011 Jeep Grand Cherokee - Steering & Suspension - 12/2/2013
    What type of power steering fluid is used in this vehicle?
    Upon researching online apparently there are two different types of power steering fluid for this vehicle. It depends upon if it has a belt driven or electric power steering pump. I cannot find any official jeep info on this and the owners manual does not ...
    • Jimm
      12/2/2013 Jimm
      Belt pump (mechanical)
      Mopar® MOPAR® Power Steering Fluid +4
      p/n 05166226AA

      This fluid is same as Valvoline ATF +4 fluid (the formulation is equivalent to the OEM / Mopar fluid MS-9602 type)

      3.6L (early build 2011 models*)
      All 5.7L and 6.4L

      Electric pump
      Mopar® MOPAR® Hydraulic Power Steering Fluid meeting MS-11655
      p/n 68065924AA
      This fluid type is available in the aftermarket as; Fuchs EG ZH 3044 or Pentosin CHF 11s

      3.6L (2011.5-up model years*)

      *CAUTION: There is an Electric Power Steering (EPS) pump available on later build 2011 3.6L vehicles which require a different fluid (early build 2011 3.6L vehicles have a mechanical pump). Do not mix power steering fluid types. Damage may result to the power steering pump and system if any other fluid is used. The mechanical power steering pump systems on this vehicle require the use of Power Steering Fluid +4, which meets material specification MS-9602 or equivalent. The EPS pump system uses fluid which meets material specification MS-11655 or equivalent. Do not overfill.
      12/2/2013 AutoMD Member
      Thanks! What official Jeep documentation says this? The owners manual says use MS11655 or equivalent and the reservoir cap says use approved fluid. Mine has the mechanical power steering pump and the manual makes no notion to use anything different than MS11655, so I don't know how myself, or any mechanic, is supposed to know to use MS-9602?
  • AutoMD Member
    AutoMD Member - 2006 Jeep Liberty - Steering & Suspension - 11/16/2013
    Why do I feel a vibration under the gas pedal and a loud patter sound when I accelerate?
    Problem just started car has 110,000 miles. Recently been at the mechanic for a hole in the radiator. couldn't afford new radiator so mechanic suggested product from the store that I put in which is supposed to plug a leak. Is this related or separate problem?
  • AutoMD Member
    AutoMD Member - 2004 Jeep Grand Cherokee - Steering & Suspension - 10/22/2013
    Clumping noise in back of jeep when driving
    I have replaced shocks and brakes and bearings. What is the easiest way to change rear upper control arm bushings. Do you have to support axle when removing control arm?
    0 answer
  • raeofsunshine
    raeofsunshine - 2006 Jeep Commander - Steering & Suspension - 10/5/2013
    Something is making the vehicle slow while I am driving down the road. Rotors/Tires/Brakes?
    I had the rotors replaced & resurfaced 3 times in 3 years, so many problems. Now. Just had front struts replaced and I feel something is slowing the vehicle down while I'm driving. I'm losing 2-3mpg. Mechanics say they can't duplicate. Also, hear a bad squelch ...
    • John's Auto Repair
      10/4/2013 John's Auto Repair
      Your front caliper or calipers could be hanging up. Also a restricted brake hose can also cause this problem.
    • HouseCallAuto
      10/5/2013 HouseCallAuto
      Chang front and rear axle fluids and add friction modifier. Purchase what is needed from Jeep parts dept only so there is no mistake. Your differentials are binding in a turn and causing noise from the side clutches inability to slip when they are under load as they should. Most times just replacing the differential oil and adding the friction modifier will solve the issue.
  • raeofsunshine
    raeofsunshine - 2006 Jeep Commander - Steering & Suspension - 10/3/2013
    Front Coil Struts replaced - Now a "springy" noise when going over deep dips.
    Replaced struts with OEM part. At slow speeds over bumps vehicle makes the noise. Also, when stopping suddenly vehicle dips forward and makes same noise. Seems to come from both front left and right wheels.
    • HouseCallAuto
      10/3/2013 HouseCallAuto
      Have the person who did this job recheck their work, unless you are saying you did the work? Maybe coli spring insulator rubbers were left off. Maybe the coil springs are not indexed correct to the spring perch on one or both sides?
  • jbeniamino
    jbeniamino - 1998 Jeep Cherokee - Steering & Suspension - 9/25/2013
    When turing the left or right the front tires wobble
    • tec13
      9/25/2013 tec13
      replace the tire or bent rim
  • - 1996 Jeep Grand Cherokee - Steering & Suspension - 9/5/2013
    My jeep makes a rough noise when I move the 4wd handle.
    its a 1996 grand Cherokee limited no work has been done for its problem it happens when I drive it an move the 4wd handle it has 3000000 miles I noticed 2 days ago you can hear the noise yes check engine light is on no other lights on has no code cant drive it to ...
    0 answer
  • j59p59
    j59p59 - 2004 Jeep Grand Cherokee - Steering & Suspension - 8/14/2013
    Front wheels shake bad
    when my jeep hits rough road or when applying brakes at high speed the front wheels shake bad until i slow down, checked ball joints, rods, all seem tight. think the steering box is gone. some fluid on top of steering box, tried to adjust but no luck in taking ...
    • HouseCallAuto
      8/14/2013 HouseCallAuto
      Very first thing to do is rotate the tires front to back and see if any changes are apparent. Check the track bar.
  • obtwwop
    obtwwop - 1995 Jeep Grand Cherokee - Steering & Suspension - 7/30/2013
    What does the front lower control arm "adjustment" do to the ride of the vehicle?
    just turned 200k and am in the process of changing the suspension back to "like new" condition. I'm using federal mogal throughout. Chilton book said finger tighten upper & lower control arms until suspension is back on ground. I painted the cam adjusters and ...
    • Jimm
      7/29/2013 Jimm
      Once the new suspension ansd steering components are installed, then the wheel alignment should take care of any ride or handling concerns.
      The short answer to your question is; it depends - if the adjusters are rotated so the front wheel camber is affected outside of the specifications for your vehicle - then you will affect both the ride, handling and tire wear.
    • John's Auto Repair
      7/30/2013 John's Auto Repair
      Those cams determine camber and caster adjustment.I would get a front end alignment
  • domestickat
    domestickat - 1997 Jeep Wrangler (TJ) - Steering & Suspension - 7/28/2013
    When I apply my brakes my jeep shakes from side to side
    It feels like the body is going to snap off the axle
    • Fuellnjected
      7/28/2013 Fuellnjected
      Extremely bad brake shudder. Have the discs / or drums machined.
  • wildonez2000
    wildonez2000 - 1993 Jeep Cherokee - Steering & Suspension - 7/21/2013
    Jerks when turning tight corner
    When turning a tight corner it jerks and makes a banging noise.
    • Jimm
      7/21/2013 Jimm
      Several possibilities; faulty / worn wheel bearing, faulty / worn suspension bushing, faulty / worn strut or shock bushing. Try the 'How-To-Guides' feature on the AutoMD website for the specific steps to inspect the front suspension and steering for worn components.

      Check the many on-line auto parts sources, such as;,,, or for the replacement parts. For example, they (RockAuto) list the front wheel bearing (front inner) from around $4.70 each for your vehicle. Remeber to always replace the wheel bearings in sets (both sides left and right wheels, both inner and outer) due to mileage, age, wear considerations.
  • allenwatkinsjr
    allenwatkinsjr - 1995 Jeep Grand Cherokee - Steering & Suspension - 7/19/2013
    Are the upper ball joints supposed to move side to side or just up and down
    the lower moves in a circular pattern but the uppers do not
    • wbrockstar
      7/19/2013 wbrockstar
      The upper ball joint stud does not articulate,but spins in the hole it resides in.It is normal for this type of ball joint to move up and down slightly
  • jrgouldenterprises
    jrgouldenterprises - 1999 Jeep Cherokee - Steering & Suspension - 7/2/2013
    How much is the labor to install leaf springs
    • Jimm
      7/2/2013 Jimm
      Check the many on-line auto parts sources, such as;,, or for the replacement parts. For example, they (Rock Auto) list the rear leaf springs from around $88.00 each (just for the spring - does not include the shackle).

      Check the 'Estimate Cost' and 'Find-A-Shop' features on the AutoMD website for the labor cost estimate.
  • vicuk90
    vicuk90 - 1999 Jeep - Steering & Suspension - 6/24/2013
    How hard is it to change the leaf spring?
    • HouseCallAuto
      6/24/2013 HouseCallAuto
      With no complications like frozen bolts and assuming you are able to safely support the vehicle on proper jackstands while working, its not a tough job, but throw in just one frozen bolt and the job can become your worst n......
  • stephent150
    stephent150 - 1994 Jeep Wrangler (YJ) - Steering & Suspension - 6/13/2013
    I have replaced the tires with oversize 31x10 on the original rims. Now the tires hit the leaf springs when turning and
    will also hit the wheel fenders if i go over a bump. What are my options for modifications if I want to keep using these tires. Thank you
    • Jimm
      6/13/2013 Jimm
      Different (wider and different offset) wheels to place the tires and track further away from the springs and suspension.
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