F 250 2WD Pickup V8-351 5.8L VIN H 4-bbl HP (1985)
shown in the Light Truck Facts Book and the spring codes listed on the vehicle certification label, Figure 2 and 3. If the suspension has
been modified or will be modified, use the following procedure. If the suspension has not been modified, replace the height sensing
proportioning valve as outlined in TSB 88-12-20.
Figure 1
1.
Remove the nut from the valve shaft and remove the leading arm of the linkage assembly, Figure 1. Save the nut.
2.
Remove the two (2) nuts from the differential housing bolts and remove the linkage bracket, Figure 1.
3.
Return the linkage to the customer.
Figure 4
4.
Rotate the valve shaft one (1) full turn in either direction. Position the shaft with the flat at the bottom and parallel with the ground, Figure 3.
