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15 

 

 

Illustration 32 

 
 

REAR SUSPENSION 

 
V

EHICLE 

P

REPARATION

 

1) 

 

 Chock front wheels. Raise the rear of the vehicle and 

support  the  frame  with  jack  stands.  Remove  the  rear 
wheels.  

2) 

 

 On the driver side, separate the parking brake cable 

bracket  from  the  bottom  of  the  leaf  spring  mount.  See 
Illustration 33. 

 

Illustration 33 

3) 

 

 Remove the brake hose bracket from the inside of the 

driver  side  frame  rail.  Disconnect  plastic  clips  holding  brake 
line and wire harness to inside of frame rail. See Illustration 36. 

R

ISER 

B

LOCK 

I

NSTALLATION

 

RS66505B-4 (Box 4 of 4) 

Riser Blocks RS15104 

U-Bolts RS740017 

Hardware from Sub Assy RS860152 

1) 

 

 Support the rear axle assembly with a floor jack. 

2) 

 

  Remove  both  rear  shock  absorbers.  Do  not  reuse 

OEM shock absorbers. 

3) 

 

 Loosen the U-bolt nuts on both sides of the vehicle 2 

turns. 

4) 

 

  Remove  the  passenger  side  U-bolts  only.  Carefully 

lower the rear axle and remove the original riser block. See 
Illustration 34. 

 WARNING: Do not allow the axle to hang by any hoses or ABS cables. 

You could damage the hoses or ABS cables, without this damage being 
visible to you, resulting in sudden and unexpected failure of a hose or 
ABS system, and an accident. 

Parking Brake Cable Bracket 

Cam Bolt 

Cam Nut 

Summary of Contents for RS66505B

Page 1: ...the instructions provided in this manual and keep it in a safe place for future reference If you have any doubt whatsoever regarding the installationor maintenance ofyour Rancho suspension system plea...

Page 2: ...and horse play are careless acts that can result in an error in installation and or serious injury 7 Install only tires approved by the United States Department of Transportation DOT approved Make sur...

Page 3: ...ber or urethane bushings should be tightened with the vehicle at normal ride height unless otherwise specified This will prevent premature failure of the bushing and maintain ride comfort M Some of th...

Page 4: ...y Jack Stands Wheel Chocks wooden blocks Hydraulic Floor Jack File Hammer Wire Brush to clean bracket mounting surfaces Black Enamel Paint Silicone Spray Lubricant Tape Measure Safety Glasses Wear saf...

Page 5: ...Assy Spacer Hardware 1 RS77035 HHCS M12 1 75X70MM 4 RS7915 Washer M12 4 15 RS740017 U Bolt 9 16 18 X 3 16 X 12 4 ITEM PART DESCRIPTION QTY 16 RS15104 Winged Spacer Block 2 RS860837 Sub Assy Hdwr Box...

Page 6: ...remove the front splash shields and or skid plates Remove splash shield brackets from side of frame rails See Illustration 4 and Illustration 5 4 Hold the hex stud and remove the nut attaching the sw...

Page 7: ...llustration 8 6 Mark position of alignment cams if equipped and loosen all four lower control arm pivot bolts 7 Remove the nut from the outer tie rod stud Using Ford Service tool 204 592 separate tie...

Page 8: ...th a floor jack Illustration 12 7 Loosen all three differential mounting bolts See Illustration 12 Note A plastic shield covering the steering rack may need to be removed to access bolt This shield is...

Page 9: ...iver side crossmember bracket Connect the lines on the top of the bracket providing a minimum of 6 clearance See Illustration 16 Illustration 16 4 Using a die grinder and Sawzall follow the line and c...

Page 10: ...e all differential mounting hardware to 85 ft lbs six bolts 13 Attach the lower control arm to the subframe with the cam bolts and hardware from kit RS860838 Insert front alignment cam bolts from fron...

Page 11: ...See Illustration 23 3 Remove the upper shock rod mounting nut Slide the shock absorber out of the spring assembly 4 Insert new shock absorber into spring assembly Use index marks to align shock with t...

Page 12: ...S176754 with the original bolts Tighten the bolts to 129 ft lbs 3 Align vacuum port upward and attach the integrated wheel end to the knuckle with the original hardware Tighten the bolts to 11 ft lbs...

Page 13: ...end 2 Attach the dust shield with the original hardware Tighten the bolts to 12 ft lbs 3 Install the right brake rotor on the passenger side wheel hub 4 Install the brake caliper over the rotor Attach...

Page 14: ...ompletely left then right Verify adequate tire wheel and ABS brake and vacuum line clearance and length Illustration 31 6 Lower vehicle to ground Tighten the lug nuts to 150 ft lbs 7 Align the cam bol...

Page 15: ...LOCK INSTALLATION RS66505B 4 Box 4 of 4 Riser Blocks RS15104 U Bolts RS740017 Hardware from Sub Assy RS860152 1 Support the rear axle assembly with a floor jack 2 Remove both rear shock absorbers Do n...

Page 16: ...rop Bracket RS176748 Hardware from Sub Assy RS860787 1 Attach rear brake hose drop bracket RS176314 to the frame with the original bolt Tighten the bolt to 12 ft lbs See Illustration 36 Illustration 3...

Page 17: ...nt wheels completely left then right Verify adequate tire wheel and brake hose clearance Inspect steering and suspension for tightness and proper operation 2 With the suspension at maximum extension f...

Page 18: ...Bracket 12 ft lbs Sway Bar Drop Bracket RS176746B 35 ft lbs Sway Bar End Link 59 ft lbs Wheel Lug Nuts 150 ft lbs Rear Components Brake Hose Drop Bracket RS176314 12 ft lbs Parking Brake Cable Drop B...

Page 19: ...19 Rancho Technical Department 1 734 384 7804...

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