Upper Control Arm: Removal

NOTE: Review all Warnings and Cautions. (Refer to SUSPENSION - WARNING) .

Raise vehicle. (Refer to LUBRICATION & MAINTENANCE/HOISTING - STANDARD PROCEDURE) .
Remove wheel and tire assembly (Refer to TIRES/WHEELS - REMOVAL) .
Remove brake caliper from knuckle and hang out of the way, then remove brake rotor. (Refer to BRAKES/HYDRAULIC/MECHANICAL/ROTOR - REMOVAL)

Remove bolt fastening wheel speed sensor head to steering knuckle. See Fig 1. Remove sensor head from knuckle.

Fig 1: Front Wheel Speed Sensor Mounting

Courtesy of DAIMLERCHRYSLER CORP.

1 - KNUCKLE

2 - WHEEL SPEED SENSOR

3 - MOUNTING BOLT

CAUTION: The nut must be positioned at the end of the stabilizer bar link stud to help prevent the end of the stud from being damaged when separating it from the lower control arm.

Remove cotter pin and nut from upper ball joint stud. See Fig 2.

Fig 2: Knuckle Mounting

Courtesy of DAIMLERCHRYSLER CORP.

1 - UPPER BALL JOINT COTTER PIN

2 - LOWER BALL JOINT COTTER PIN

3 - TIE ROD NUT

4 - LOWER BALL JOINT NUT

5 - KNUCKLE (WITH HUB AND BEARING)

6 - UPPER BALL JOINT NUT

CAUTION: Do not strike or apply heat to steering knuckle in an effort to separate ball joint studs from steering knuckle.

CAUTION: When releasing ball joint from knuckle using Puller, Special Tool C-4150A, use care not to pinch and damage ball joint grease seal.

Install Puller, Special Tool C-4150A, over knuckle and ball joint stud. Ball bearing in bolt of Special Tool C-4150A must be centered in end of upper ball joint stud.
Release upper ball joint from knuckle using Puller. Remove tools.

Remove nuts and bolts attaching upper control arm to mounting brackets on frame rail. See Fig 3. Slightly spread ends of mounting brackets to ease removal of control arm from brackets.

Fig 3: Front Suspension Mounting

Courtesy of DAIMLERCHRYSLER CORP.

1 - UPPER CONTROL ARM

2 - CAM BOLT

3 - CAM WASHER

4 - STABILIZER BAR LINK

5 - LOWER CONTROL ARM

6 - SHOCK ASSEMBLY

Remove upper control arm.