External oil leaks - Recirculating Ball and Nut Gear

STEERING

TROUBLESHOOTING

CAUSE

2. Pitman arm loose on lever shaft

2. Tighten lever shaft nut.

External oil leaks - Recirculating Ball and Nut Gear

1. Side Cover O-ring Seal

1. Replace seal.

2. Pitman Shaft Seals

2. Replace seals.

3. Housing End Plug Seal

3, Replace seal.

4. Adjuster plug seal

4. Replace seal.

Excessive wheel kickback or loose

steering

Recirculating Ball Gear and Nut Gear

1. Lash in linkage

1. Adjust parts affected.

2. Excess lash between Pitman sector and Rack-Piston

2. Adjust to Specification.

3. Loose thrust bearing adjustment

3. Remove gear and adjust

4. Ball nut and worm pre-load

4. Change balls to obtain correct pre-load.

SPECIFICATION LISTING

Torques

Steering cylinder ball

studs

125 ft./lbs. dry

Tie rod ends

95 ft./lbs. dry

Steering wheel nut

34 ft./lbs. dry

Upper adjusting nut in

steering gear

10 ft./lbs. dry

Recirculating Ball and Nut Gear -

(Lubricated Threads):

Guide Clamp Screws

8 to 12 ft./lbs,

Flange assembly nuts

12 to 20 ft,./lbs.

Flange pinch bolt

20 to 25 ft./lbs,

Lash adjuster nut

25 to 35 ft./lbs,

Side Cover Bolts

30 to 35 ft./lbs.

Rack-Piston End Plug

50 to 60 ft./lbs.

Adjuster Plug Locknut

50 to 110 ft./lbs.

Pitman Arm Nut

100 to 125 ft./lbs.

B-168