HI, I was driving my 1992 Mercedes 190 Diesel 2.5 yesterday and the front right wheel kind of fell off, or rather it became detached at the bottom ball joint.
I have yet to recover the car from the roadside, however, is there a suspension schematic or diagram available?
Is this a common fault?
Are there any suggestions to help me please?
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Re: Front Suspension ball joint.
Give these websites a try www.autozone.com if they have you car listed you be able to get pictures and diagrams showing you how to repair your car if you have a autozone near you there you can rent the special tools you need then take it back and get your money back and here is another website for more repair information www.alldatadiy.com
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check your suspension sys. tie rods and idler arms ball joints.
block rear wheels in park parking brake on
jack up and support car so that the front wheels are about 1 inch off the ground.
look over and vigorously push and pull on parts. look for loose parts.
grab the top of the wheel are try to wiggle back and fourth. it should not wiggle. if it do'es then your wheel bearings under the center cap on wheel are lose and need repacking and tighten, then back off 1/4 turn and insert cotter pin.
any movement in steering or suspension or something doesn't look right. have it checked
I would be looking at the ling pin of front suspension set up for the clunk on full steering lock If you have a live front axle ( one where the diff housing runs from left to right with steering joints at the wheels Like the old jeeps / land cruisers /ford mavericks) there are bearings top and bottom to allow the wheels to turn on steering. These bearings fail regularly (king pin wear) and the resultant movement upsets the running position of the drive axle inside . Hence as the stub axle falls about the u-joint on the drive shaft cannot stay in the correct operating plane and locks up. Have a front end specialist check it out for worn points and ball joints.. If you have an independent front suspension then the problem may be in lower or upper ball joints.
If the 4wd was engaged on dry pavement you would have a difficult time making a turn because the front tires would be turning at the same time. If the bump or vibration is felt when you are driving down a straight road I would agree with the ball joint or other suspension theory. I will note here that Jeep Cherokee came with two different kinds of 4wd, one version can be driven on dry roads when engaged.
loose lug nuts
wheel out of balance; weight fell off
incorrect tire pressure; over pressure can damage the tire
faulty tire;out of round, tread separation, etc
loose wheel bearing
worn shock absorber
worn steering / suspension component; bushing, tie rod end, ball joint, etc
You can rotate the tires, front to back to see if the problem follows the wheels or is a front end only problem.
Raise the front of the vehicle and install safety stands.
Remove the wheel and tire assembly. Refer to Section 04-04 .
Remove the disc brake caliper (2B120) from the rotor and wire it out of the way. Refer to Section 06-03 .
Remove the dust cap, cotter pin, nut retainer, nut, washer and front wheel bearing (1216).
Remove the rotor from the front wheel spindle (3105).
Front Suspension Upper Ball Joint
Front Suspension Lower Arm Ball Joint
Front Wheel Spindle
Steering Sector Shaft Arm Drag Link
Front Axle Assembly
Tighten to 77-103 Nm (57-75 Lb-Ft)
Tighten to 68-92 Nm (50-67 Lb-Ft)
Tighten to 113-153 Nm (83-112 Lb-Ft)
Tighten to 340-460 Nm (250-339 Lb-Ft)
Remove bearing cone and roller (1201) and wheel hub grease seal (1190). Discard the seal.
Remove front disc brake rotor shield (2K004). Refer to Section 06-03 .
Disconnect the steering linkage from the integral front wheel spindle and spindle arm by removing the cotter pin and nut and then removing the front wheel spindle tie rod from the spindle arm with Tie Rod End Remover TOOL-3290-D or equivalent.
Remove the cotter pin and castellated nut from the lower ball joint stud.
Remove the nut from the axle clamp bolt and remove the bolt from the axle.
Remove the camber adjuster from the upper ball joint stud and axle beam. If required, use Ball Joint Removing Tool D81T-3010-B or equivalent to remove adjuster.
CAUTION: Do not use a pickle fork to separate the ball joint from the axle as this will damage the seal and the ball joint socket.
Strike the inside area of the axle as shown to pop lower ball joints loose from the axle beam.
Remove the front wheel spindle and ball joint from the axle.
Ball Joint, F-150, F-250, F-350
SPECIAL SERVICE TOOL(S) REQUIRED
Ball Joint Remover
Remove the front wheel spindle (3105) and ball joint assembly from the axle. Refer to Wheel Spindle, F-150, F-250, F-350 in the Removal and Installation portion of this section.
NOTE: Lower ball joint must be removed first.
Install the front wheel spindle in a vise and remove the snap ring from the lower ball joint.
Remove the lower ball joint from the front wheel spindle using U-Joint Tool T74P-4635-C and Receiver Cup D81T-3010-A5 or equivalent for F-150. Use Ball Joint Remover T94T-3010-AH for F-250 and F-350.
Turn the forcing screw clockwise until the ball joint is removed from the front wheel spindle.
CAUTION: Do not heat the ball joint or the front wheel spindle to aid in removal.
Assemble U-joint tool and cup on the upper ball joint, and turn forcing screw clockwise until ball joint is removed from the front wheel spindle.
CAUTION: Do not heat the ball joint or axle to aid in installation. NOTE: Upper ball joint must be installed into the front wheel spindle first.
NOTE: Individual ball joint tools are included in Ball Joint Adapter Set D81T-3010-A or equivalent.
To install the upper ball joint, assemble C-frame assembly, Ball Joint Receiver Cup D81T-3010-A5 and Installation Cup D81T-3010-A1 and D81T-3010-A3 or equivalents inside cup D81T-3010-A4 or equivalent in position on the front wheel spindle.
Turn forcing screw clockwise until ball joint is seated.
Before servicing the vehicle, refer to the precautions in the beginning of this section.
Remove or disconnect the following:
Wheel and tire assembly
Brake disc shield
Use a jack to support the front suspension lower arm.
Mark the position of the front suspension upper arm adjustment cams.
Remove the upper ball joint retaining nut and pinch bolt.
Separate the ball joint from the front wheel spindle
Remove the front suspension upper control arm.
Installation is the reverse of removal. Align the marks made during removal on the front suspension upper arm adjustment cam. The forward front suspension upper arm nut must be tightened first while the arm is held at the curb position ride height.
That is what is called your CV joint. They are notorious for making "knuckling" sounds when turning a corner. They are not very expensive, however it does require that you take the suspension and brake hardware loose in order to get it out.
You have 2 "half axle(s)", each half axel has 2 CV joints. One half axle goes to each front wheel on front wheel drive cars. You could do it yourself, however if you are not competent it would be best to take it to a shop.
I would recommend getting both half axles replaced.