K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
FIGURE 1 - TRAILER HITCH FASTENERS
SERVICE PROCEDURE
1.
Inspect the trailer hitch platform (Figure 1.) underneath the vehicle frame for signs of movement as evidenced by scrape or scrubbing marks on the
frame and by physically attempting to shift the platform.
2.
If no evidence of shifting is detected, torque the two (2) fastener bolts with welded nuts and the four (4) bolts with prevailing torque nuts to the
specified value. (80-100 N-m or 60-75 lb.ft.)
3.
If evidence of shifting is detected, the fasteners must be replaced at all six (6) fastening points, as the fasteners may be damaged.
