940 L4-23L SOHC Steering Gear Service and Repair
Fig. 6 Disassembled View Of ZF Power Steering Gear
Some ZF steering gears come with a removable valve housing.
1.
Remove steering rack assembly from vehicle, then using tool No. 5046, mount unit in vise.
2.
Loosen both side rubber bellows and drain oil, Fig. 6.
3.
Loosen locknut, unscrew and remove left ball stud, locknut and bellow.
4.
Unstake and unscrew steering rod.
5.
Remove oil pipes.
6.
Remove cover for pre-tensioning device. Remove pre-tensioning piston, O-ring and spring.
7.
Remove pinion housing dust shield from pinion shaft.
8.
Remove pinion housing cover, seal and O-ring.
9.
Remove pinion, upper roller bearing, lower washer and thrust bearing.
10.
Scribe marks on center tube and housing for installation.
11.
Using tool No. 5178, loosen locking collar next to pinion housing, then place right side housing in vise and remove lock collar and center tube.
12.
Remove O-rings from center tube.
13.
Remove rack and spacer tube as a unit.
14.
Remove washer from right side of pinion housing.
15.
Using tool No. 1819, remove seal from pinion housing.
