F 350 4WD Pickup V8-7.3L DSL (1988)
Suspension Strut / Shock Absorber: All Technical Service Bulletins
Frame Side Rails - Cracks At the Rear Shock Bracket
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FRAME - CRACKING AT REAR SHOCK BRACKET - VEHICLES IN OFF - ROAD USAGE
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SUSPENSION - REAR - FRAME CRACKING AT REAR SHOCK BRACKET - VEHICLES IN OFF - ROAD USAGE
Article No. 90-13-9
LIGHT TRUCK:
1987-90 F-150, F-250, F-350
ISSUE:
The frame side rails may crack at the rear gas shock bracket rivet locations. The cracking appears on trucks that are continuously operated
off-road.
ACTION:
Install a frame reinforcement kit. Refer to the following procedure for service details.
1.
Remove the rear wheels and inspect the rear shock bracket areas for cracks or damage.
2.
Disconnect the shock absorber from the upper and lower mounting points.
a.
Check the frame to determine if a weld repair is adequate for the amount of damage sustained. (See Weld Repair Guide - Step # 6a, for
information).
b.
Remove any fuel and brake lines in damaged area.
Figure 1
3.
Remove the three (3) rivets holding the shock absorber bracket to the side rail, Figure 1.
a.
Drill a 1/8" (3.175 mm) hole through the rivet.
b.
Re-drill the same hole location with an 11/32" (8.731 mm) drill through shank.
c.
Use an air-chisel to remove the head.
d.
Drive out the rivet with a punch.
4.
Clean the affected area with a wire brush.
5.
Position the frame into its original location. Tack weld the frame rail to assist in holding its position.
6.
Weld Repair Guide:
