1991 LEXUS SC400 transmission

17. REMOVE NO. 2 FRONT EXHAUST PIPE(a) Remove the two bolts and nuts holding the front exhaust
pipe to the No. 2 front exhaust pipe.
(b) Remove the gasket and disconnect the front exhaust
pipe.
(c) Remove the four nuts, No. 2 front exhaust pipe and two gaskets.
18. REMOVE EXHAUST PIPE HEAT INSULATOR Remove the four nuts and heat insulator.
19. (A/T)
DISCONNECT TRANSMISSION CONTROL ROD
Remove the nut and disconnect the control rod from the shift
lever.
20. REMOVE INTERMEDIATE SHAFT (a) Remove the two center support bearing set bolts andthe adjusting washers.
HINT: Some vehicles are not equipped with an adjusting
washer.
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ENGINE MECHANICAL Cylinder BlockEM±71
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(b) Place the matchmarks on the both flanges.
(c) Remove the four bolts, washers, nuts and intermediateshaft.
(d) Insert SST in transmission to prevent oil leakage.
SST 09325±20010 (M/T)
09325±40010 (A/T)
21. REMOVE ENGINE AND T RANSMISSION ASSEMBLY
FROM VEHICLE
(a) Attach the engine hoist chain to the engine hangers.
(b) Remove the two nuts holding the engine to the front suspension crossmember.
(c) Remove the four bolts, four nuts and rear engine mounting member.
(d) Lift the engine out of the vehicle slowly and carefully.
NOTICE: Remove carefully without damaging the power
steering gear housing or the park/neutral position switch
(A/T only).
(e) Make sure the engine is clear of all wiring, hoses and cables.
(f) Place the engine and transmission assembly onto the
stand.
EM±72
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COMPONENTS FOR SEPARATION AND
ASSEMBLY OF ENGINE AND
TRANSMISSION
SEPARATION OF ENGINE AND
TRANSMISSION
1. (A/T)REMOVE OIL DIPSTICK GUIDE FOR TRANSMISSION
2. (A/T) REMOVE OIL COOLER PIPES FOR TRANSMISSION
3. DISCONNECT ENGINE WIRE FROM TRANSMISSION
4. REMOVE STARTER
5. SEPARATE ENGINE AND TRANSMISSION
6. (M/T) REMOVE CLUTCH COVER AND DISC
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ASSEMBLY OF ENGINE AND
TRANSMISSION
(See Components on page EM±73)1. (M/T) INSTALL CLUTCH DISC AND COVER
Torque: 19 N Vm (195 kgf Vcm, 14 ft Vlbf)
2. ASSEMBLE ENGINE AND TRANSMISSION
(See page AT±31)
Torque:
14 mm head bolt 37 N Vm (380 kgf Vcm, 27 ft Vlbf)
17 mm head bolt 72 N Vm (730 kgf Vcm, 53 ft Vlbf)
3. INSTALL STARTER
Torque: 39 N Vm (400 kgf Vcm, 29 ft Vlbf)
4. CONNECT ENGINE WIRE TO TRANSMISSION
5. (A/T)
INSTALL OIL COOLER PIPE
Torque: 34 N Vm (350 kgf Vcm, 25 ft Vlbf)
6. (A/T)
INSTALL OIL DIPSTICK GUIDE FOR TRANSMISSION
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INSTALLATION OF ENGINE
(See Components on pages EM±62 to 64)
1. INSTALL ENGINE AND TRANSMISSION ASSEMBLY INVEHICLE
(a) Attach the engine hoist chain to the engine hangers.
(b) Lower the engine and transmission assembly into the
engine compartment.
CAUTION: Install carefully without damaging the power
steering gear housing or the park/neutral position switch
(A/T only).
(c) Insert the stud bolts of the front engine m ounting
brackets into the stud bolt holes of the front suspension
crossmember.
(d) Keep the engine level.
(e) Install the rear engine mounting member with the four bolts and four nuts.
Torque: Nut 13 N Vm (135 kgf Vcm, 10 ft Vlbf)
Bolt 25 N Vm (260 kgf Vcm, 19 ft Vlbf)
2. INSTALL INTERMEDIATE SHAFT
(a) Remove SST.
SST 09325±20010 (M/T)
09325±40010 (A/T)
(b) Insert the yoke into the transmission.
(c) Align the matchmarks on the flanges and connect thepropeller shaft with the four bolts, washers and nuts.
(d) Torque the bolts and nuts.
Torque: 74 N Vm (750 kgf Vcm, 54 ft Vlbf)
(e) Torque the bolts.
Torque: 49 N Vm (500 kgf Vcm, 36 ft Vlbf)
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HINT: Adjust the center support bearing to keep the intervals
as shown with the vehicle in the unladen condition.
Under the same condition, check if the center line of the cen-
ter support bearing is at right angles to the shaft axial direc-
tion.
(f) Inspect the joint angle. (See page PR±13)
3. (A/T) CONNECT TRANSMISSION CONTROL ROD
Connect the control rod to the shift lever with the nut.
4. INSTALL EXHAUST PIPE HEAT INSULATOR Install the heat insulator with the four nuts as shown.
5. INSTALL NO. 2 FRONT EXHAUST PIPE (a) Install new two gaskets and No. 2 front exhaust pipe with
new four nuts.
Torque: 62 N Vm (630 kgf Vcm, 46 ft Vlbf)
(b) Install a new gasket and the No. 2 front exhaust pipe to
the front exhaust pipe with the two bolts and nuts.
Torque: 43 N Vm (440 kgf Vcm, 32 ft Vlbf)
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ENGINE MECHANICAL Cylinder BlockEM±105
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6. (M/T)INSTALL CLUTCH RELEASE CYLINDER
Install the clutch release cylinder and torque the two bolts.
Torque: 12 N Vm (120 kgf Vcm, 9 ft Vlbf)
7. INSTALL GROUND STRAP, STARTER WIRE AND HOSE
(a) Install the ground strap to the transmission.
(b) Install the starter wire with the nuts.
(c) Install the starter wire with the wire clamp.
(d) Install two new gaskets and fuel inlet hose with the union
bolt.
Torque: 34 N Vm (350 kgf Vcm, 25 ft Vlbf)
8. INSTALL PS PIPE
Install the PS pipe with the two clamp bolts.
9. CONNECT ENGINE WIRE TO CABIN (a) Push in the engine wire through the cowl panel.
(b) Connect the following connectors:(1) Two connectors to ECM
(2) Connectors to ABS & TRAC ECU
(3) Two connectors to TRAC ECU
(4) Four connectors to connector cassette
(5) Connector to A/C control assembly
EM±106
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10. (M/T)INSTALL TRANSMISSION SHIFT LEVER
(a) Install the shift lever with the eight bolts.
(b) Fit the upper console panel to the console box with fiveclips.
(c) Install the upper console panel with the six screws.
(d) Fit the upper rear console panel to the console box with
the four clips.
(e) Install the shift lever knob.
(f) Fit the cup holder to the console box.
11. CONNECT ENGINE WIRE AND HOSE (a) Install the engine wire clamp with the two nuts.
(b) Install the bolt holding the engine wire protector to thewater valve bracket.
EM±108
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