Chrysler Full-Size Trucks 1967-1988 Repair Guide

Leaf Springs

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REMOVAL & INSTALLATION



2WD Models

See Figures 1 and 2

  1. Raise and safely support the front end on jackstands placed under the frame. The wheels should still be on the ground, but the weight should be off of the springs.
  2.  

It is advisable to spray the bolts and nuts with penetrating oil, then allow them to sit for a few minutes.

  1. Remove the nuts, lockwashers and U-bolts securing the spring to the axle.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: 1967-71 D100/200 front suspension

  1. Remove the spring shackle bolts, shackles and front eye bolt.
  2.  
  3. Remove the spring.
  4.  

To install:
  1. Position the spring in place and install the eye bolt and nut. Do not tighten the bolt yet.
  2.  



Click image to see an enlarged view

Fig. Fig. 2: 1967-71 D300 front suspension

  1. Install the shackles and bolts. Tighten them just enough to make them snug.
  2.  
  3. Make sure that the spring center bolt enters the locating hole in the axle pad.
  4.  
  5. Install the U-bolts, lockwashers and nuts. Make them just snug for now.
  6.  
  7. Lower the truck to its normal position with the weight back on the springs. Now tighten all bolts and nuts as follows:

    1 / 2 -20 U-bolt nuts: 60-70 ft. lbs. (81-94 Nm)
     
    3 / 4 -16 U-bolt nuts: 175-225 ft. lbs. (237-304 Nm)
     
    9 / 16 -18 U-bolt nuts: 120-130 ft. lbs. (162-176 Nm)
     
    5 / 8 -18 U-bolt nuts: 175-200 ft. lbs. (237-271 Nm)
     
    13 / 32 -20 shackle bolts: 35-40 ft. lbs. (47-54 Nm)
     
    7 / 16 -20 shackle bolts: 45-50 ft. lbs. (61-67 Nm)
     
    Eye bolt: 70-175 ft. lbs. (203-237 Nm)
     

  8.  

4WD Models

See Figures 3 through 8

  1. Raise and safely support the front end on jackstands placed under the frame. The wheels should still be on the ground, but the weight should be off of the springs.
  2.  

It is advisable to spray the bolts and nuts you are working on with penetrating oil, then allow them to sit for a few minutes.

  1. Remove the nuts, lockwashers and U-bolts securing the spring to the axle.
  2.  
  3. Remove the spring shackle bolts, shackles and front eye bolt.
  4.  
  5. Remove the spring.
  6.  



Click image to see an enlarged view

Fig. Fig. 3: 1967-71 W100/200 front suspension



Click image to see an enlarged view

Fig. Fig. 4: 1967-71 W300 front suspension



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Fig. Fig. 5: 1972-74 W100/200 front suspension with Dana 44



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Fig. Fig. 6: 1972-74 W200/300 front suspension with Dana 4



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Fig. Fig. 7: 1975-88 W100/150/200/250 Ramcharger/Trail Duster and 1982-88 W350 with Dana 44



Click image to see an enlarged view

Fig. Fig. 8: 1975-88 W200/250/300/350 front suspension with Dana 60

  1. Position the spring in place and install the eye bolt and nut. Do not tighten the bolt yet.
  2.  
  3. Install the shackles and bolts. Tighten them just enough to make them snug.
  4.  
  5. Make sure that the spring center bolt enters the locating hole in the axle pad.
  6.  
  7. Install the U-bolts, lockwashers and nuts. Make them just snug for now.
  8.  
  9. Lower the truck to its normal position with the weight back on the springs. Now tighten all bolts and nuts as follows:
  10.  

1967-68 Models


1 / 2 -20 U-bolt nuts: 60-70 ft. lbs. (81-94 Nm)
 
3 / 4 -16 U-bolt nuts: 175-225 ft. lbs. (237-304 Nm)
 
9 / 16 -18 U-bolt nuts: 120-130 ft. lbs. (162-176 Nm)
 
5 / 8 -18 U-bolt nuts: 175-200 ft. lbs. (237-271 Nm)
 
13 / 32 -20 shackle bolts: 35-40 ft. lbs. (47-54 Nm)
 
7 / 16 -20 shackle bolts: 45-50 ft. lbs. (61-67 Nm)
 
Eye bolt: 70-175 ft. lbs. (203-237 Nm)
 

1969-73 Models


U-bolt nuts: 30 ft. lbs. (108 Nm)
 
Upper shackle bolts: 40-150 ft. lbs. (135-203 Nm)
 
Lower shackle bolts: 65-105 ft. lbs. (88-142 Nm)
 
Eye bolt:
 



Except W300 - 65-105 ft. lbs. (88-142 Nm)
 
W300 - 5-25 ft. lbs. (6-33 Nm)
 

1974-78 Models


U-bolt nuts: 110 ft. lbs. (149 Nm)
 
Shackle bolts: 30 ft. lbs. (108 Nm)
 
Eye Bolt: 30 ft. lbs. (108 Nm)
 

1979-88 Models


U-bolt nuts: 25 ft. lbs. (128 Nm)
 
Shackle bolts: 30 ft. lbs. (108 Nm)
 
Eye bolt: 30 ft. lbs. (108 Nm)
 

 
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