Frame Bracket Knockout Removal

^ Tools Required:
- J 38794 Knockout Removal Tool

Remove or Disconnect
1. Raise and support the vehicle.
2. The support the lower control arms with a suitable jack stand.

Important: The safety stands must remain under the lower control arms during the removal and installation in order to retain the lower control arm position.

3. The tire and wheel from the vehicle.
4. The upper control arm from the frame bracket.
5. The knockout tool using J 38794.
- The forward bracket requires the bridge to be installed between the legs of the bracket due to access problems.
- Apply extreme pressure lubricant to the threads of the t-bolt and insert the bolt through the knockout hole in the bracket support.
6. Assemble the bridge, bearing (chamfered side out), washer, and nut in order.
7. The t-bolt head and bridge must line up horizontally with the knockout. The bridge should span the knockout without interfering with the knockout procedure.
8. Tighten the t-bolt head against the knockout by turning the nut at the opposite end.
- An open end or an adjustable wrench may be needed to prevent the t-bolt from losing horizontal alignment with the knockout.

NOTICE: Do not tighten the knockout tool more than 100 Nm (75 ft. lbs.). Exceeding this specification could result in frame bracket distortion or tool damage.

9. If the tightened limit has been met and the knockout does not break free, use a die grinder to remove the knockout.
- Remove any wax coatings in the knockout area to make the stamped outline visible for removing the J 38794 from the vehicle.

Install or Connect

NOTICE: Always use the correct fastener In the proper location. When you replace a fastener, use ONLY the exact part number for that application. The manufacturer will call out those fasteners that require a replacement after removal. The manufacturer will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion inhibitors) on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and joint clamping force, and may damage the fastener. When you Install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and systems.


1. The upper control arm into the frame brackets.
- Partially tighten the bolts and nuts to allow alignment.
2. The tire and wheel.
3. Remove the jack stands from the vehicle.
4. Lower the vehicle.
5. Align the front end. Refer to "Caster and Camber Adjustments."