F 350 4WD Pickup V8-7.3L DSL (1988)
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Inspect rivets attaching the engine cross member (labeled X1, X2, X3 X4, X5, X6 Attachment IV) to the frame rail for looseness or missing. These
can only be replaced with 1/2 inch grade 8 bolts, locknuts, and hardened washers (except rivet labeled V1, Attachment IV. For rivet V1, use one
9/16 inch fastener (labeled V1 in Attachment IV) as defined in step 26). Torqued 1/2 inch fastener to 136 N-m (100 ft.lbs.).
GEAR LINER TO FRAME RIVET REPAIR:
40.
Replace V1 rivet that attaches steering gear liner and cross member to frame side rail with one (1) 9/16 inch bolt, one (1) washer, and one (1) nut.
See ATTACHMENT IV for details on removing rivet and procedure in installing bolt, washer, and nut. Hand torque nut to 190 N-m (140 ft.lbs.)
and tack weld the nut to the bolt to prevent loosening. Note orientation of bolt head is important to provide best clamping. See ATTACHMENT