Steering gear.
1 - oil seal, 2 - steering gear housing, 3 - lock nut, 4 - rack guide cover, 5 - rack guide spring, 6 - rack guide with insert, 7 - plug, 8 - self-locking nut, 9 - bearing, 10 - booster tubes steering, 11 - stuffing box, 12 - worm with a control valve, 13 - bearing, 14 - stuffing box, 15 - control valve body, 16 - left steering rod, 17 - inner boot clamp, 18 - steering rod boot, 19 - outer clamp boot, 20 - tie rod lock nut, 21 - left tie rod end, 22 - hinge protective cover, 23 - right tie rod end, 24 - tie rod lock nut, 25 - boot inner clamp, 26 - tie rod boot, 27 - outer clamp cover, 28 - right steering rod, 29 - lock washer, 30 - retaining ring, 31 - rack travel limiter, 32 - oil seal, 33 - sealing ring, 34 - rack bushing, 35 - oil seal, 36 - sealing ring, 37 - oil seal, 38 - steering rack.
Withdrawal
1. Drain the power steering fluid (see chapter "Maintenance and general inspection and adjustment procedures").
2. Turn away a bolt of fastening of an intermediate shaft.
- Tightening torque: 15-20 Nm
3. Using a special tool, disconnect the tie rod end from the steering knuckle.
4. Remove the elements of the exhaust system (see chapter "Exhaust system").
5. Turn away bolts of forward and back support of the power unit.
- Tightening torque: 60-80 Nm
6. Turn away bolts of a stretcher.
7. Remove tubes of the amplifier of a steering.
- Tightening torque: 12-18 Nm
8. Turn away bolts of fastening of the steering mechanism and remove the steering mechanism in gathering with rubber linings.
Note: To remove the steering gear, first move the rack to the right and then to the left.
Caution: When removing the steering gear assembly, remove the steering gear slowly and very carefully. so as not to damage the tie rod boots.
9. If necessary, remove the anti-roll bar.
Disassembly
1. Loosen the tie rod locknuts, then remove the tie rod ends and nuts.
2. Remove the protective cover of the ball joint.
3. Remove internal collars of covers of steering draughts.
4. Remove external collars of covers of steering draughts.
5. Slide the tie rod boots towards the ends.
6. Disconnect tubes of the amplifier from the steering mechanism.
7. Slowly moving a lath, merge working liquid of the amplifier from the case of the steering mechanism.
8. Using a chisel and hammer, pry back the bent parts of the lock washers.
9. Using the special tool, turn away steering drafts, as it is shown in drawing and remove lock washers.
- Tightening torque: 80-100 Nm
Caution: Be careful not to damage the rail.
10. Loosen the rack nut cover locknut.
- Tightening torque: 50-70 Nm
11. Using the special tool, unscrew the guide rail cover.
12. Remove the rack guide spring, rack guide and bushing from the steering box.
13. Remove the plug and self-locking nut.
14. Turn away two bolts and remove the case of the operating valve.
15. Using a hammer with a plastic head, remove the worm with the control valve, remove the seals and bearing.
16. Turn the rack travel stop clockwise until the end of the circlip comes out of the slot in the steering gear housing.
17. As soon as the end of the retaining ring is out of the groove of the steering gear housing, turn the rack travel stop counterclockwise and remove the retaining ring.
Attention: be careful not to damage the steering rack during disassembly.
18. Remove the rack travel limiter, oil seal and rack sleeve assembly with the O-ring and gland from the steering gear rack, remove the rack and oil seal from the steering gear housing.
19. Remove a sealing ring and an epiploon from a lath of the steering mechanism.
20. Remove the O-ring from the rack bushing.
21. Remove the oil seal from the rack bushing.
22. Using a beard, remove the bearing from the housing.
23. Remove the bearing and seal from the housing.
24. Using special tools, remove the lock washer and oil seal.
Examination
1. Check the steering rack.
- A) Check for wear or damage to the rack teeth.
- b) Check the seal seating surface for damage.
- V) Make sure the steering rack is not bent or twisted.
2. Check the worm with the control valve.
- A) Check for wear or damage to the worm teeth.
- b) Check the seal seating surface for damage.
3. Check the bearings.
- A) Make sure that the rotation is smooth and that there are no extraneous noises during the operation of the bearings.
- b) Check for excessive play in the bearings.
- V) Check the structural integrity of the bearings.
4. Check up absence of damages on an internal surface of the case of the steering mechanism.
5. Check up covers of steering draughts on absence of deterioration, cracks and ruptures.
6. Check o-rings and seals for excessive wear or damage.
Assembly
1. Apply power steering fluid to the lip of the steering rack oil seal.
- Working fluid: PSF-3
2. Using the special tools, install the oil seal and circlip into the steering gear housing as shown.
3. Apply grease to the bearing.
- Grease: SAE J310a, NGLI #2
4. Using the special tool, install the bearing as shown.
5. Using the special tool, install the oil seal as shown.
Note:
- Do not confuse the installation direction of the oil seal.
- Use only a new seal.
6. Install the gland into the rack bushing.
7. Apply power steering fluid to the O-ring and install it on the bushing as shown.
- Working fluid: PSF-3
8. Apply grease to the steering rack teeth.
Caution: Do not fill the vent hole in the steering rack with grease.
- Grease: SAE J310a, NLGI No. 2 EP
9. Install the gland and O-ring on the rail.
10. Install the stuffing box, rack, rack bushing assembly with the sealing ring and the stuffing box and the rack travel limiter into the steering mechanism housing.
11. Aligning the hole in the rack travel stop with the groove in the steering gear housing, install the retaining ring in the stopper hole. Rotate the rack travel stop and finally secure the circlip.
Attention: after installing the retaining ring, its ends must not be visible through the groove in the steering gear housing.
12. Apply hydraulic fluid and grease to the worm and pilot valve, then install the gland assembly into the valve body.
- Working fluid: PSF-3
- Grease: SAE J310a, NLGI No. 2 EP
13. Using the special tool, install the bearing.
14. Install the oil seal using the special tool.
15. Turn the worm fully clockwise and tighten the self-locking nut.
- Tightening torque: 20-30 Nm
Note: Do not reuse the self-locking nut.
16. Apply anaerobic (semi-drying) sealant on the threaded part of the plug and tighten it.
- Tightening torque: 50-70 Nm
17. Lock the plug in two places with a punch.
18. Install a new lock washer and tie rod. Caulk the edges of the lock washer in two places on the tie rod.
Note:
- Align the lugs of the lock washer with the grooves in the tie rod.
- Do not reuse the lock washer.
19. Install the insert, rack guide and rack guide spring into the steering gear housing in the sequence shown in the figure.
20. Install the guide rail cover.
- A) Apply sealant to the threaded part of the guide cover,
- b) Center the rail and, using the special tool, tighten the rail guide cover. Unscrew the cover about 10°and tighten the cover locknut.
Torque:
- guide rail covers: 20-25 Nm
- cover lock nuts: 50-70 Nm
21. Check the moment of scrolling the worm.
- A) Measure the turning moment of the worm as shown in the figure.
- Scroll torque: 0.6-1.3 Nm
- b) If the torque is out of specification, check and replace the rail guide cover if necessary.
22. Establish covers of steering draughts.
- A) Apply grease to the surfaces shown in the illustration.
- Grease: SAEJ310a, NLGI No. 2 EP
- b) Install the cover and tighten the clamps.
Note:
- Use only new clamps.
- Do not twist clamps.
23. Fill the interior with grease and apply grease to the lip of the tie rod end boot. Fix the protective boot on the ball joint with a clamp, placing it in the groove of the tie rod end.
- Grease: SAE J310a, NLGI No. 2 EP
24. Wrap the left and right tie rod ends so that the length of the protruding parts of the left and right rods is the same and corresponds to the nominal value. Secure the tips with locknuts.
- Rated value "A": 47.2 mm
Installation
1. Installation of the steering mechanism is carried out in the reverse order of removal, the tightening torques of the bolts and nuts are indicated in the description of the removal procedure and in the assembly drawing "Steering gear".
2. When installing the rubber pads, align the protrusion of the pad and the notch in the subframe.
3. After installation:
- Check for fluid leaks.
- Make sure the steering wheel turns smoothly.
- Check and, if necessary, adjust the alignment of the front wheels (see chapter "Suspension").