Dodge Omni/Horizon/Rampage 1978-1989 Repair Guide

MacPherson Struts

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REMOVAL & INSTALLATION




WARNING
A new bonded mount assembly is used on late 1978 and later models, replacing the double nut, bearing retainer, isolator and strut retainer previously used. To remove the welded nut, grind the hex flats for proper wrench fit.

  1. Loosen the lug nuts on the front wheels.
  2.  
  3. Raise and support the vehicle.
  4.  
  5. Remove the wheel.
  6.  


WARNING
If the original strut is to be assembled to the original knuckle, mark the cam adjusting bolt. Remove the cam adjusting bolt, through-bolt and brake hose bracket retaining screw.



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Fig. Fig. 1 If the original strut is to be reinstalled to the original knuckle, mark the cam adjusting bolt

  1. Remove the cam bolt, knuckle bolts and washer plates.
  2.  



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Fig. Fig. 2 Remove the cam bolt, knuckle bolts and washer plates

  1. Next, remove the brake hose to the dampener bracket retaining screw.
  2.  



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Fig. Fig. 3 Remove the bolt retaining the bracket for the brake hose



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Fig. Fig. 4 Move the hose out of the way

  1. Inspect for evidence of fluid running from the upper end of the reservoir.
  2.  

To install:

  1. Attach the unit into the fender reinforcement, then install the retaining nut and washer assembly. Tighten to 20 ft. lbs. (27 Nm).
  2.  
  3. Position the knuckle leg in the strut and install the upper (cam) and lower through-bolts.
  4.  
  5. Attach the brake hose to the damper, tighten to 10 ft. lbs. (14 Nm).
  6.  
  7. Index the cam bolt with the match marks.
  8.  
  9. Place a C-clamp on the strut and knuckle, then tighten just enough to eliminate any looseness between the knuckle and the strut. Check the alignment of the index marks.
  10.  



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Fig. Fig. 5 Place a C-clamp on the strut and knuckle, then tighten just enough to eliminate any looseness between the knuckle and the strut

  1. Tighten the cam bolt to 45 ft. lbs. (61 Nm) plus 1 / 4 turn.
  2.  
  3. Remove the C-clamp, install the wheel.
  4.  
  5. Lower the vehicle and tighten the lug nuts.
  6.  
  7. Have the alignment checked as soon as possible.
  8.  

 
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