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FRONT SUSPENSION AND STEERING
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
See Rack and Pinion Unit Replacement.
B
Rack and Pinion Unit Disassembly and
Inspection
Tool List
Vice.............................................................................. 1
Socket, 3/8" ................................................................. 1
Ratchet ........................................................................ 1
Wrench, 11/16" ............................................................ 1
Wrench, 3/4" ................................................................ 1
Wire Cutter .................................................................. 1
Retaining Ring Pliers ................................................... 1
Shop Towel ............................................................... AR
CITGO Lithoplex MP No. 2 grease........................... AR
Wire Tie, 8" Long ......................................................... 1
Wire Tie, 10" Long ....................................................... 1
Torque Wrench, in. lbs................................................. 1
NOTICE: The rack and pinion gears are not service-
able items. If they are found to be damaged or
excessively worn, a new rack and pinion unit must
be installed.
To avoid damage to the aluminum
rack and pinion unit, secure the unit
in the vice by the mounting ears
only.
Remove the rack and pinion unit from the vehicle. Anchor
the unit in a vice by clamping on the mounting ears of the
unit.
Disassemble the rack and pinion unit (1) by removing
screw (13) and tensioner (2) to relieve pressure on rack
(3) and pinion (4) (Figure 20).
Loosen the jam nut (5) and remove the ball joint (6) from
the rack extension (7). Cut the wire ties (8, 14) securing
the bellows (9) off of the rack extension (7). Pull the rack
(3) from the unit (1).
Remove the pinion seal (10). See Pinion Seal Replace-
ment.
Remove the internal retaining ring (11) from the rack and
pinion unit, pull out the pinion (4) and ball bearing (12) as
an assembly.
92
Quantity
6
8
Figure 20 Rack and Pinion Unit Disassembly
Clean the rack, pinion and housing. Inspect the gear
teeth, bearing surfaces and the grease seal surfaces of
the unit for excessive wear or damage. If any damage or
excessive wear is found, the rack and pinion unit must be
replaced as an assembly. See Rack and Pinion Unit
Replacement.
If the rack and pinion unit is still serviceable, clean the
components thoroughly and lubricate with CITGO Lithop-
lex MP No. 2 grease.
Assemble the rack and pinion unit by installing the pinion
in the reverse order of removal. make sure to lubricate the
pinion seal lip prior to installing the seal. See Pinion Seal
Replacement.
Insert the rack into the rack and pinion unit. Turn the pin-
ion clockwise to help pull the rack in, if necessary. Install
the bellows. Secure to the rack extension with wire tie (8).
Do not secure the large end of the bellows to the rack
and pinion unit until after setting the proper rack exten-
sion-to-rack and pinion unit clearance. Install the ten-
sioner and tighten bolts (13) to the torque value specified
below.
Item
13
Thread the jam nut and the rack ball joint to the original
location on the rack extension.Set the jam nut hand tight.
Install the rack and pinion unit on the vehicle. See Rack
and Pinion Unit Replacement.
rack extension and rack and pinion unit when steer-
Repair and Service Manual
5
9
13
7
14
11
10
Torque Specification
100 - 120 in. lbs. (11 - 14 Nm)
After replacing or servicing steering
components, always verify that a 1/
8" gap exists between large hex of
2
3
1
4
12
653045
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