Diesel Data: Automotive Repair

Upper Control Arm






REMOVAL SERVICE POINT
DISCONNECTION OF UPPER ARM BALL JOINT AND KNUCKLE





CAUTION:
1. Be sure to tie the cord of the special tool to a nearby part.
2. Loosen the nut but do not remove it.

INSTALLATION SERVICE POINT
>A< UPPER ARM SHAFT ASSEMBLY INSTALLATION





Install the upper arm shaft assembly at the angle shown in the illustration.





NOTE: If the upper arm shaft is installed at the above-mentioned angle, the reference dimension is determined as follows;
A: 299.9 mm (11.8 inch)
B: 234.0 mm (9.2 inch)

INSPECTION
- Check the bushings for wear and deterioration.
- Check the upper arm for bends or damage.
- Check all bolts for condition and straightness.

BALL JOINT FOR BREAKAWAY TORQUE CHECK





1. After shaking the ball joint stud several times, install the nut to the stud and use the special tool to measure the breakaway torque of the ball joint.
Standard value: 0.3 - 1.5 Nm (3 - 13 inch lbs.)
2. When the measured value exceeds the standard value, replace the upper arm assembly.
3. When the measured value is lower than the standard value, check that the ball joint turns smoothly without excessive play. If so, it is possible to use that ball joint.

UPPER ARM BALL JOINT DUST COVER CHECK
1. Check the dust cover for cracks or damage by pushing it with finger.
2. If the dust cover is cracked or damaged, replace the upper arm assembly.

NOTE: Cracks or damage of the dust cover may cause damage of the ball joint. When it is damaged during service work, replace the dust cover.

BALL JOINT DUST COVER REPLACEMENT





Only the case that a dust cover is damaged by mistake during servicing, replace it as follows.
1. Remove the dust cover.
2. Apply specified grease to the lip and inside of the dust cover.
Specified grease: MOPAR Multi-mileage Lubricant Part No. 2525035 or equivalent
3. Use the special tool to drive in the dust cover until it is fully seated.
4. Check the dust cover for cracks or damage by pushing it with finger.