boot MITSUBISHI 3000GT 1991 Workshop Manual

STEERING - Steering Wheel and Shaft
DISASSEMBLY AND REASSEMBLYM37GE- -
Disassembly steps
1. Boot2. Cover assemblyI)* 3. Bearing4. Joint assembly*+ 5. Special boltsl * l a6. Steering lock bracket+* I)* 7. Steering lock cylinder8.Steering column assembly
13A0170
Steering lock cylinder13FOO51
SERVICE POINTS OF DISASSEMBLYM37GFAS
6. REMOVAL OF STEERING LOCK BRACKET / 7. STEER-
ING LOCK CYLINDERIf it is necessary to remove the steering lock cylinder, use a
hacksaw to cut the special bolts at the steering lock bracket
side.
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37A-18
STEERING - Power Steering Gear Box
MB991 006-01\l\
13R017
8 Mounting clamp13R0077
SERVICE POINTS OF REMOVALM37PBAI3. DISCONNECTION OF TIE-ROD END
Using the special tool, disconnect the tie rod from the
,,
knuckle.LJ9. REMOVAL OF GEAR BOX ASSEMBLY
(1) Move the rack completely to the right and then remove
the gear box from the crossmember.
(2) While tilting the gear box downward, remove it to the
left.
CautionWhen removing the gear box, pull it out carefully
and slowly to avoid damaging the boots.
INSPECTIONM37PCAFGEAR BOX FOR TOTAL PINION TORQUE
Using the special tools, rotate the pinion gear at the rate of one
rotation in approximately 4 to 6 seconds to check the total
pinion torque.
Standard value: 0.6
- 1.3 Nm (5 - 11 in.lbs.)
NOTEMeasure the pinion torque through the whole stroke of the
rack.If the measured value is not within the standard range, first
adjust the rack support cover, and then check the total pinion
starting torque again.
If the total pinion starting torque cannot be adjusted to within
the standard range by adjusting the rack support cover, check
the rack support cover, rack support spring, rack support and
replace any parts necessary.
CHECK THE TIE ROD FOR SWING RESISTANCE
(1) Give
10 hard swings to the tie rod.
(2) Measure the tie rod swing resistance with a spring balance
Standard value: 8
- 18 N (1.8 - 4.0 Ibs.)
[2 - 5 Nm (17 - 43 in.lbs.)](3) If the measured value exceeds the standard value, replace
tie rod assembly.
NOTEEven if the measured value is below the standard value, the
tie rod which swings smoothly without excessive play may
be used.
SERVICE POINTS OF INSTALLATIONM37PDAE10. INSTALLATION OF MOUNTING RUBBER
/ 9. GEAR
BOX ASSEMBLYWhen installing the mounting rubber, align the projection of
the mounting rubber with the indentation in the crossmem-
ber to install the gear box.
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STEERING - Power Steering Gear Box37A-21 ~'13K588
SERVICE POINTS OF DISASSEMBLYM37PFAN3. REMOVAL OF DUST SHIELD
Remove the dust shield from the tie rod end.
5. REMOVAL OF BELLOWS BANDS
Using a screwdriver or similar tool, loosen and then remove
Ithe boot retaining band.
7. REMOVAL OF TAB WASHER
Unstake the tab washer which fixes the tie rod and rack
with a chisel.
11. REMOVAL OF END PLUGDisconnect end plug caulking and remove end plug.
14. REMOVAL OF RACK SUPPORT COVERUsing the special tool, remove the rack support cover from
Ithe gear box.
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i
LSTEERING
- Power Steering Gear Box37A-23
13R054f
_ Needlebearing
31. REMOVAL OF BALL BEARINGUse a brass bar to remove the ball bearing from the gear
housing.
32. REMOVAL OF NEEDLE ROLLER BEARINGUse the special tool to remove the needle roller bearing
from the rack housing.
Caution
Do not open special tool excessively to prevent damag-ing housing interior.
33. REMOVAL OF OIL SEAL
/ 34. BACK-UP WASHER
Use a piece of pipe or similar tool to remove the back-up
washer and oil seal from the gear housing.
Caution
Be careful not to damage the inner surface of the rackcylinder of the gear housing.
INSPECTION
RACK
M37PGAHl Check the rack tooth surfaces for damage or wear.
l Check the oil seal contact surfaces for uneven wear.
0 Check the rack for bends.
PINION AND VALVE ASSEMBLY
lCheck the pinion gear tooth surfaces for damage or wear.
l Check for worn or defective seal ring.
BEARINGl Check for roughness or abnormal noise during bearing
operation.
l Check the bearing for play.
l Check the needle roller bearings for roller slip-off.
OTHIERSl Check the cylinder inner surface of the rack housing for
damage.
l Check the boots for damage, cracking or deterioration.
l Check the rack support for uneven wear or dents.
l Check the rack bushing for uneven wear or damage.
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