torque MITSUBISHI 3000GT 1991 Owners Manual

REAR SUSPENSION -Upper Arm, Lower Arm and Assist Link
INSPECTIONM34SCABl Check the bushing for wear and deterioration.
l Check the upper, lower arm or assist link for bend or
breakage.l Check the ball joint dust cover for cracks.
l Check all bolts for condition and straightness.d12ROl
Removaling12NOlOl
CHECKING OF BALL JOINT FOR STARTING TORQUEMount two nuts on the ball
.joint, and then measure the ball
joint starting torque.
Standard value: 2
- 9 Nm (17 - 78 in.lbs.)
BALL JOINT DUST COVER REPLACEMENTM34SEABl
(1) Remove the dust cover.
(2) Apply multipurpose grease to the lip and inside of the dust
cover.(3) Drive in the dust cover with special tool until it is fully
seated.‘dLOWER ARM, UPPER ARM, ASSIST LINK
BUSHING REPLACEMENTM34SFABUse the special tool to remove and press-fit the bushing.
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34-14REAR SUSPENSION - Shock Absorber Assemblv
12K(u9
‘7
Coil
,’I
seat12A0049
SERVICE POINT OF DISASSEMBLYM34GNAB1. REMOVAL OF PISTON ROD TIGHTENING NUT
(1) Before removing the piston rod tightening nut, corn-
press the coil spring using the special tool.
d(2) While holding the piston rod, remove the piston rod
tightening nut.
INSPECTIONM34GOACl
l Check the rubber parts for damage.
lCheck the coil springs for crack, damage or deterioration.
SERVICE POINTS OF REASSEMBLYM34GPAC
11. INSTALLATION OF COIL SPRING(1) Use the special tool
(MB990987-01) to compress the
coil spring and insert it in the shock absorber.
(2) Align the edge of the coil spring to the position of the
shock absorber spring seat as shown.
4. INSTALLATION OF BRACKET ASSEMBLY / 1. PISTONROD TIGHTENING NUT
(1) With the position of the bracket assembly as shown inthe figure, tighten the tightening nut to the specified
torque.
(2) Install the coil spring so that the lower edge fits into thespring seat groove and the upper edge fits into the
spring pad groove, then remove the special tool
’
(MB990987-01).L/iTSB Revision

REAR SUSPENSION - Stabilizer Bar34-15
STABILIZER BARM341A.A
/REMOVAL AND INSTALLATION
i
,’
id
Removal steps
1. Stabilizer bracket mounting boltl *2. Stabilizer bar bracket
3. Bushing
l *4. Self-locking nut
5. Joint cup (A)6. Stabilizer rubber
7. Joint cup (B)l * 8. Self-locking nutl *9. Stabilizer link10. Joint cup (A)11. Stabilizer rubber
12. Stabilizer bar
-5
t:(I
-Z’-
@+-----4l?FOlOO
1210241
INSPECTIONMWBACll Check the bushing for wear and deterioration.
l Check the stabilizer bar for deterioration or damage.
l Check the stabilizer link ball joint dust cover for cracks.
l Check all bolts for condition and straightness.
CHECKING OF STABILIZER LINK BALL JOINT FOR START-
ING TORQUE
Mount two nuts on the ball joint, and then measure the ball
joint starting torque.
Standard value: 1.7
- 3.2 Nm (15 - 28 in.lbs.1
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REAR SUSPENSION - Specifications
SPECIFICATIONS
GENERAL SPECIFICATIONS34-19M34CA-B
Items
Suspension system
Coil spring
Wire dia. x O.D. x free lengthmm (in.)
Coil spring identification color
Spring constantN/mm
(Ibs./in.)Shock absorberType
Max. lengthmm (in.)
Min. lengthmm (in.)
Strokemm (in.)
Damping force [at 0.3 misec. (0.9
ft./set.)]ExpansionN
(Ibs.)Contraction
N (Ibs.)Specifications
Double wishbone suspension type
12.2x105x379.3(.48x4.13x14.93)
Blue x 228.0
2 1.4 (I 57 -t 8)
Hydraulic, cylindrical, double-acting type
610
2 3 (24.0 f .I)407
f 3 (16.0 2 .I)
203 (8.0)Hard: 1,800
+ 250 (397 +- 55)
Medium: 1,200
rtr 170 (265 t 37)
Soft: 550
f 90(121 + 20)
Hard:
950? 140 (209 t 31)
Medium: 850
2 130 (187 + 29)
Soft: 650
f 100 (143 2 22)
SERVICE SPECIFICATIONSM34CB-B
ItemsSpecifications
Standard value
Toe-inmm (in.)0.5
k 2.5(.01 f .09)Camber
-0”lO’ Ifr 30'
Protruding length of stabilizer bar mounting boltmm (in.)5-7
(.197-,276)Lower arm ball joint starting torqueNm (in.lbs.)
2.0-9.0(17 - 78)Stabilizer link ball joint starting torqueNm
(inlbs.)1.7-3.2(15-28)Crossmember support bushing projectionmm (in.)
Upper part
15.5 (.59)Lower part
2.1-3.7(.08-.15)Differential support bushing projectionmm (in.)6.7-7.3
(.26-.29)
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REAR SUSPENSION - Upper and Lower Arm34-27
4slDust
cover12R0487
UPPER AND LOWER ARM
L
REMOVAL AND INSTALLATION
Post-installation Operation/ l $e;k pd ri;;k0ignrnent 1A
140- 160 NmIOI- 116ft.lbs.Upper arm removal steps
*I)1. Self-locking nut
2. Upper arm mounting nut
3. Upper arm
mounting.bolt4. Upper arm
Lower arm removal steps
5. Lower arm mounting nut
6. Lower arm mounting bolt
/
L;:Stabilizer link tolowerarm
Self-locking nut9.Lower arm
NOTE
140- 160 Nm*/3IOI- 116ftlbs.* gFor tightening points marked with *, first temporarily tighten
and then ground the vehicle to torque to specification where the
vehicle is empty.
SERVICE POINTS OF REMOVALM34SBAC1. REMOVAL OF SELF-LOCKING NUT
Using the special tool, disconnect the upper arm ball joint
from the knuckle.
NOTE(1) Do not remove the nut from the ball joint, but just
loosen it.
(2) Suspend the special tool with a rope to prevent it from
dropping.
c8. REMOVAL OF SELF-LOCKING NUT
Lower down the lower arm on the crossmember side.
Then, install the special tool and disconnect the lower arm
ball joint from the knuckle.
NOTE
(1) Do not remove the nut from the ball joint, but just
loosen it.
(2) Suspend the special tool with a rope to prevent it from
dropping.M34SA-B
‘80
12A0091TSB Revision

34-28
REAR SUSPENSION - Upper and Lower Arm
INSPECTIONM34SCACl Check the bushing for wear and deterioration.
lCheck the upper arm or lower arm for bend or breakage.
l Check the ball joint dust cover for cracks.
l Check all bolts for condition and straightness.12uoo1IB990800-01
Dust cover
Snap ring
17R019’
3CHECKING OF BALL JOINT FOR STARTING TORQUE
Mount two nuts on the ball joint, and then measure the ball
joint starting torque.
Standard value: 2
- 9 Nm (17 - 78 in.lbs.)
MB991 07312NOlOl
RemovalMB991 072
Press-fitMB991 072
MB991 07312NOlOC
1-
BALL JOINT DUST COVER REPLACEMENTM34SEAS2(1) Remove the dust cover.
(2) Apply multipurpose grease to the lip and inside of the dust
cover.
(3) Drive in the dust cover with special tool until it is fully
seated.
Ij
LOWER ARM BUSHING REPLACEMENTM34SFAC
(1) Use the special tool to remove and press-fit the bushing.
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34-30REAR SUSPENSION - Trailing Arm
TRAILING ARMM34TA-B1
REMOVAL AND INSTALLATIONN/A
$icJ
14 ft.lbs.T/C vehicles26-30Nm
50-60Nm936 - 43 ftlbs.\19 - 22 ft.lbs.
55-65Nm40 - 47ft.lbs.
200
- 240 Nm*145- 174ft.lbs.* I
P100 Nm
72 ft.lbs.
58 Nm’ <842 ft.lbs.Removal steps
*I)
*I)
+*+*
1. Rear brake caliper assembly
2. Rear brake disc
3. Drive shaft to companion flange mounting
bolt and nut
4. Self-locking nut
5. Companion flange
6. Rear axle shaft
7. Parking brake cable end
8. Parking brake cable clamp bolt
9. Rear speed sensor
(ABS)IO. Rear speed sensor cable and parking brake
cable bands (ABS)II. Dust shield
12. Self-locking nut (upper arm)
13. Self-locking nut (lower arm)
14. Tie rod end mounting
nut15. Trailing arm mounting bolt and nut
16. Rear shock absorber mounting bolt
17. Trailing arm
NOTEFor tightening points marked with *, first temporarily tighten
and then ground the vehicle to torque to specification where the
vehicle is empty.‘7
il 6’
12FOO89
Post-installation Operationl Check of Wheel Alignment
(Refer to P.34-23)l Check of Parking Brake Lever Stroke(Refer to GROUP 36 - Service Adiustment
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34-32REAR SUSPENSION - Trailing Arm
Bolt B
12A0'291BOUY
Guide shaft
\,center lme
-MB991 254
,,+.s
Y v\ L VA02971(3) Set the special tool onto the trailing arm as shown in the
illustration.
FP’dpply lubricant to the sliding portion of the special tool
(at the arrow marked “A” in the illustration).‘d(2) Install bolt B to the trailing arm, at the point shown in
the figure.
(4) Use a spanner, etc., to turn the portion marked “C” in the
illustration to remove the connecting rod.
(5) installation of the body (special tool) should be performed
with the screw shaft and guide shaft center lines oriented
as shown in the illustration.
(6)
Apdply soapy water to the rubber portion of the connecting
(7) Reverse the removal procedures to press-fit.
(8) Remove the special tool after aligning the holes in the
special tool and trailing arm.
(9) Tighten the bolts and nuts to the specified torque.
Tightening torque
: 98 Nm (71 ftlbs.)(IO)Press-fit the trailing arm bushing. (Refer to
P.34-31.)
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REAR SUSPENSION - Stabilizer Bar34-35
----
-7
--;:-
hIlll~~II’
L IT ;
E!
.’
,.GLZ,
?,,..,”il.//,:”, /.’
\12AOll'Clip r&g
h12LO24'
SERVICE POINTS OF REMOVALM34lDAC
14. REMOVAL OF CROSSMEMBER BRACKET
/ 15. CROSS-MEMBER MOUNTING NUT
(1) Support the rear suspension assembly with the trans-
mission jack.
(2) Remove the crossmember bracket and crossmember
mounting nut.
18. REMOVAL OF STABILIZER BAR
(1) Lower the transmission jack a little to obtain a gap
between the rear suspension and body.
(2) Remove the stabilizer bar.
INSPECTIONM341BACZ
l Check the bushing for wear and deterioration.
l Check the stabilizer bar for deterioration or damage.
l Check the stabilizer link ball joint dust cover for cracks.
l Check all bolts for condition and straightness.
CHECKING OF STABILIZER LINK BALL JOINT FOR START-
ING TORQUE
Mount two nuts on the ball joint, and then measure the ball
joint starting torque.
Standard value: 1.7
- 3.2 Nm (15 - 28 in.lbs.)
BALL JOINT DUST COVER REPLACEMENTM34lEBA
(1) Remove the clip ring and the dust cover.
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L
i
SERVICE BRAKES - Specifications
SERVICE SPECIFICATIONS
3msFWDAWD
andard value
Brake pedal heightmm (in.)
177 - 182 (7.0 - 7.2)
177 - 182 (7.0 - 7.2)Brake pedal free playmm (in.)
3-8(.1 -.3)3-8(.1 -.3)Brake pedal to floorboard clearance
mm (in.)
80 (3.1) or more
80 (3.1) or more
Pad thicknessmm (in.)
10.0 (.39)10.0 (.39)Front disc thickness
mm (in.)
24.0
t.94)30.0 (1.18)
Rear disc thickness
mm (in.)
18.0 (71)
20.0 (.79)Proportioning valve pressure
MPa (psi)
Split point
3.75 - 4.25 (533 - 604)3.75 - 4.25 (533 - 604)
Output pressure [input pressure]
5.23 - 5.73 (744 - 815)f8.0 (I, 138)]5.23 - 5.73 (744- 815)18.0 (1,138)]Booster
push;; (To,,;?aster cylinder piston
clearance
7
+ 8 inch brake booster
0.55 - 0.75 (.022 - ,030)-8 + 9 inch brake booster
0.65
- 0.85 (.026 - ,033)0.65 - 0.85 (026 - ,033)Disc brake drag force (tangential force of
wheel mounting bolts)
N (Ibs.)70 (15.4) or less
70 (15.4) or less
[Disc brake dragging torque[Nm (ft.lbs.)]
[4 (3) or less][4 (3) or less]
Speed sensor’s (ABS) internal resistance
kQFront
1.4-2.2
0.8 - 1.2
Rear1.3-2.1
0.8- 1.2
Rear speed sensor pole piece-to-rotor
tooth surface clearancemm (in.)
-28.15-28.45(1.11 -1.12)
Clearance between the
spmefm;l[yle piece
and the toothed rotor
Front0.3 - 0.9 (.012 - ,035)-
Rear0.2 - 0.7 (008 - .028)-nit
Left/right proportioning valve output
pressure difference
MPa (psi)0.4 (57)
0.4 (57)Front disc run-outmm (in.)
0.1
(.004) or less
0.1 (.004) or less
Pad thicknessmm (in.)
2.0
(08)2.0 (08)Front disc thicknessmm (in.)
22.4
(.88)28.4 (1.12)Front hub end playmm (in.)
0.05
(.002)0.05 (.002)Rear disc thicknessmm (in.)
16.4
(65)18.4 (.72)Rear disc run-outmm (in.)
0.08
(0031) or less
0.08 (.0031) or less
Rear hub end playmm (in.)
0.05
(002)0.8 (.031)
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