Chrysler Full-Size Trucks 1967-1988 Repair Guide

Tires and Wheels

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REMOVAL & INSTALLATION



Front Wheels

See Figure 1

2WD MODELS


Click image to see an enlarged view

Fig. Fig. 1: Wheel lug nuts should be tightened in a crisscross pattern

When changing a front wheel, place a jack under the inner edge of the lower control arm pivot bolt mounting bracket. Make sure the jack is centered for your safety. Before raising the tire off the ground, make sure you loosen the lug nuts. Raise the wheel off the ground, then remove the lug nuts and the wheel. Mount the spare wheel onto the axle and partially tighten the lug nuts (enough to keep the wheel on). Lower the truck and tighten the lug nuts to their specified torque.

4WD MODELS

When changing a front wheel, place a jack under the outside of the spring mounting bracket. Be certain the jack is centered under the axle. Before raising the tire off the ground, make sure you loosen the lug nuts. Raise the wheel off the ground, then remove the lug nuts and the wheel. Mount the spare wheel onto the axle and partially tighten the lug nuts (enough to keep the wheel on). Lower the truck and tighten the lug nuts to specified torque.

Rear Wheels
EXCEPT DUAL

On rear wheels, place the jack under the axle and next to the spring hanger. Before raising the tire off the ground make sure you loosen the lug nuts. Raise the wheel off the ground, then remove the lug nuts and the wheel. Mount the spare wheel onto the axle and partially tighten the lug nuts (enough to keep the wheel on). Lower the truck and tighten the lug nuts to their specified torque.

8-STUD DUAL REAR WHEELS WITH FLANGED WHEEL NUTS

See Figures 2 and 3

These wheels have 4 equally spaced stud holes which are coined outwards, and 4 which are coined inwards. The outer wheel must be installed so the coined stud holes match the coined stud holes of the inner wheel.

There is a locating pin in the hub that will assist in correctly orienting the inner and outer wheels. The tires of both dual wheels must be completely off the ground when tightening to insure wheel centering and maximum wheel clamping.



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Fig. Fig. 2: 8-stud dual wheels; notice the locating pin

Tighten these wheels as follows:

  1. Tighten the lug nuts in the numbered order to a snug fit.
  2.  
  3. Retighten the lug nuts in the same sequence to the specified torque. Go through the sequence a second time to ensure the specific torque. Retighten to specifications at 300 miles (160 km), then again at 500 miles (800 km).
  4.  

It is recommended that lug nuts be kept torqued to specifications at all times. Torque lug nuts to specifications at each lubrication interval. It is also advisable to keep a tire pressure gauge in your truck at all times, and to check the inflation pressure on a regular basis. For further information on tires and wheels, please refer to Engine & Engine Overhaul of this repair guide.



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Fig. Fig. 3: 8-stud tightening sequence

Lug Nut Tightening Specifications:


1967: 65 ft. lbs. (89 Nm)
 
1968-69: 75 ft. lbs. (102 Nm)
 
1970-71: 80 ft. lbs. (109 Nm)
 
1972-74: 65-85 ft. lbs. (89-116 Nm)
 
1975-84: 85-125 ft. lbs. (116-170 Nm)
 
1985-88: 85-110 ft. lbs. (116-150 Nm)
 
1982-88 350 with H.D. axle (cone nut): 375-225 ft. lbs. (238-306 Nm)
 
1986-88 350 with H.D. axle (Flanged nut): 300-350 ft. lbs. (408-476 Nm)
 

 
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