evap LEXUS SC400 1991 Service Service Manual

15. DISCONNECT ENGINE WIRE CONNECTORS
16. DISCONNECT THEFT DETERRENT HORN CONNECTOR
17. DISCONNECT GROUND CABLE FROM BODY
18. DIS CO NNE CT PO WE R STE E RING (P S ) SO LE NO IDVALVE CONNECTOR
19. DISCONNECT WIRE CLAMP (FOR GENERATOR) FROM VSV (FOR EVAP)
(a) Remove the 2 bolts, and disconnect the VSV from the RH
cylinder head.
(b) Disconnect the wire clamp from the VSV bracket.
20. REMOVE GENERATOR
(a) Disconnect the generator connector.
(b) Remove the cap and nut, and disconnect the generator wire.
(c) Remove the bolt, and disconnect the transmission oil cooler pipe bracket from the generator.
(d) Remove the nut and generator.
21. DISCONNECT POWER STEERING (PS) TUBES FROM SUSPENSION CROSSMEMBER
Remove the clamp bolt, and disconnect the PS tubes.
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1UZ±FE ENGINE ENGINE MECHANICALEG±143
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15. INSTALL POWER STEERING (PS) PUMP
(a) Install the PS pump with the nut and 3 bolts. Alternatelytighten the bolts and nut.
Torque:
39 NVm (400 kgf Vcm, 29 ft Vlbf) for bolt
43 N Vm (440 kgf Vcm, 32 ft Vlbf) for nut
16. INSTALL POWER STEERING (PS) RESERVOIR TANK
AND BRACKET
Install the reservoir tank and bracket assembly with the 3
bolts.
17. INSTALL POWER STEERING (PS) TUBES Install the PS tube clamp with the bolt.
18. INSTALL GENERATOR
(a) Install the generator and transmission oil cooler pipe bracket with the bolt and nut.
Torque: 37 N Vm (380 kgf Vcm, 27 ft Vlbf)
(b) Connect the generator connector.
(c) Connect the generator wire with the nut and cap.
19. INSTALL WIRE CLAMP (FOR GENERATOR) AND VSV
(FOR EVAP)
(a) Install the wire clamp to the VSV bracket.
(b) Install the VSV with the 2 bolts.
EG±198
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1UZ±FE ENGINE ENGINE MEHANICAL
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29. INSTALL AIR CLEANER
(a) Connect the air cleaner case to the air duct.
(b) Connect the air cleaner hose to the intake air connector.
(c) Install the air cleaner with the 3 bolts.
(d) Tighten the hose clamp bolt holding the air cleaner hose tothe intake air connector.
(e) Connect the VAF meter connector.
30. CONNECT CONTROL CABLES TO THROTTLE BODY
Connect the following cables:
(1) Accelerator cable
(2) Transmission throttle control cable
(3) Cruise control actuator cable
31. INSTALL THROTTLE BODY COVER
(a) Install the thro ttle body cover and hose clamp with the cap nut
and 2 bolts.
(b) Install the EVAP hose to the hose clamp.
32. INSTALL DRIVE BELT Install the drive belt by turning the drive belt tensioner coun-
terclockwise.
HINT: The pulley bolt for the dive belt tensioner has a left±
hand thread.
33. INSTALL BATTERY
EG±202
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1UZ±FE ENGINE ENGINE MECHANICAL
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15. DISCONNECT ENGINE WIRE CONNECTORS
16. DISCONNECT THEFT DETERRENT HORN CONNECTOR
17. DISCONNECT GROUND CABLE FROM BODY
18. DISCONNECT PS SOLENOID VALVE CONNECTOR
19. DISCONNECT WIRE CLAMP (FOR ALTERNATOR) FROMVSV (FOR EVAP SYSTEM)
(a) Remove the two bolts, and disconnect the VSV from the
RH cylinder head.
(b) Disconnect the wire clamp from the VSV bracket.
20. REMOVE ALTERNATOR (a) Disconnect the alternator connector.
(b) Remove the cap and nut, and disconnect the alternatorwire.
(c) Remove the mounting bolt and nut.
(d) Disconnect the A/T oil cooler pipe bracket.
(e) Remove the alternator.
21. D I S C O N N E C T P S T U B E S F R O M S U SPENSION
CROSSMEMBER
Remove the clamp bolt, and disconnect the PS tubes.
EM±122
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ENGINE MECHANICAL Cylinder Block
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17. INSTALL PS TUBESInstall the PS tube clamp with the bolt.
18. INSTALL ALTERNATOR (a) Install the alternator and A/T oil cooler pipe bracket withthe bolt and nut.
Torque: 37 N Vm (380 kgf Vcm, 27 ft Vlbf)
(b) Connect the alternator connector.
(c) Connect the alternator wire with the nut and cap.
19. INSTALL WIRE CLAMP (FOR ALTERNATOR) AND VSV (FOR EVAP SYSTEM)
(a) Install the wire clamp to the VSV bracket.
(b) Install the VSV with the two bolts.
20. CONNECT PS SOLENOID VALVE CONNECTOR
21. CONNECT ENGINE WIRE CONNECTORS
22. CONNECT THEFT DETERRENT HORN CONNECTOR
23. INSTALL GROUND CABLE TO BODY
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ENGINE MECHANICAL Cylinder BlockEM±173
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6. REMOVE UPPER HIGH±TENSION CORD COVER(a) Remove the two mounting bolts.
(b) Disconnect the front side claw groove of the cord coverfrom the claw of the lower cover, and remove the cord
cover.
7. REMOVE RH ENGINE WIRE COVER Remove the bolt and engine wire cover.
8. REMOVE LH ENGINE WIRE COVER Remove the two bolts and engine wire cover.
9. REMOVE VSV FOR EVAP SYSTEM Remove the two bolts, and disconnect the VSV from cylinder
head and timing belt cover.
10. REMOVE RH NO.3 TIMING BELT COVER Remove the three bolts and timing belt cover.
EM±12
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ENGINE MECHANICAL Engine Tune±Up
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28. REINSTALL RH NO.3 TIMING BELT COVER(a) Install the three gaskets to the timing belt cover.
(b) Fit portion A of the timing belt cover, matching it with the
lower high±tension cord cover.
(c) Install the timing belt cover with the three bolts.
29. REINSTALL VSV FOR EVAP SYSTEM Install the VSV with the two bolts.
30. REINSTALL LH NO.3 TIMING BELT COVER (a) Install the three gaskets to the timing belt cover.
(b) Install the cord grommet to the high±tension cord.
(c) Install the cord grommet to the timing belt cover.
(d) Fit portion A of the timing belt cover, matching it with the
lower high±tension cord cover.
(e) Install the timing belt cover with the three bolts.
31. RECONNECT PCV HOSE TO LH CYLINDER HEAD
32. RECONNECT FUEL RETURN HOSE TO FUEL RETURN PIPE
33. RECONNECT FUEL INLET HOSE TO LH DELIVERY PIPE Connect the inlet hose with two new gaskets and the
pulsation damper.
SST 09612±24014 (09617±24011)
Torque: 39 N Vm (400 kgf Vcm, 29 ft Vlbf)
33 N Vm (340 kgf Vcm, 24 ft Vlbf) for SST
HINT: Use a torque wrench with a fulcrum length of 30 cm
(11.81 in.)
34. REINSTALL RH ENGINE WIRE COVER (a) Fit portions A and B of the engine wire cover, matchingthem with the lower high±tension cord cover and No.3
timing belt cover.
(b) Install the engine wire cover with the bolt.
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ENGINE MECHANICAL Engine Tune±UpEM±25
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10. REMOVE RH ENGINE WIRE COVERRemove the bolt and engine wire cover.
11. REMOVE LH ENGINE WIRE COVER Remove the two bolts and engine wire cover.
12. REMOVE VSV FOR EVAP SYSTEM Remove the two bolts, and disconnect the VSV from cylinder
head and timing belt cover.
13. REMOVE NO.3 TIMING BELT COVER Remove the three bolts and timing belt cover.
14. REMOVE LH NO.3 TIMING BELT COVER (a) Remove the four mounting bolts.
(b) Disconnect the cord grommet from the timing belt cover,
and remove the timing belt cover.
(c) Remove the cord grommet from the high±tension cord.
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ENGINE MECHANICAL Timing BeltEM±37
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28. INSTALL HIGH±TENSION CORDS, HIGH±TENSIONCORD CLAMP AND LOWER HIGH±TENSION CORD
COVER ASSEMBLY
(a) Install the lower high±tension cord cover with the bolt.
(b) Connect the high±tension cord to RH ignition coil.
(c) Connect the four high±tension cord to the RH sparkplugs.
(d) Install the RH rear and front high±tension cord clamps
with the two bolts.
HINT: Place the front and rear ends of the front hightension
cord clamp on the rear high±tension cord clamp and lower
high±tension cord cover.
(e) Connect the four high±tension cord to the LH spark plugs.
(f) Install the LH rear and front high±tension cord clamps
with the two bolts.
HINT: Place the front and rear ends of the front hightension
cord clamp on the rear high±tension cord clamp and lower
high±tension cord cover.
(g) Fit the high±tension cords to the high±tension cord clamp. (See page IG±16)
29. INSTALL RH NO.3 TIMING BELT COVER (a) Install the three gaskets to the timing belt cover.
(b) Fit portion A of the timing belt cover, matching it with the
lower high±tension cord cover.
(c) Install the timing belt cover with the three bolts.
30. INSTALL VSV FOR EVAP SYSTEM Install the VSV with the two bolts.
EM±54
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ENGINE MECHANICAL Timing Belt
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9. REMOVE TIMING BELT REAR PLATESRemove the two bolts and rear plate. Remove the two rear
plates.
10. REMOVE VACUUM PIPE (a) Disconnect the following hoses:(1) (USA Spec.)
Vacuum hose from throttle body
(2) (Exc. USA Spec.) Three vacuum hoses from throttle body
(3) Vacuum hose from fuel pressure regulator
(4) Two vacuum hoses from VSV for fuel pressure con-
trol system
(5) (Exc. USA Spec.) Two vacuum hoses from EGR vacuum modulator
(6) Two vacuum hoses (from VSV for EVAP system)
from vacuum pipe
(7) Vacuum hose (from VSV for fuel pressure control system) from air intake chamber
(8) Vacuum hose (from charcoal canister) from vacu-
um pipe.
(b) Remove the two bolts, the vacuum pipe and vacuum hoses assembly.
EM±62
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ENGINE MECHANICAL Cylinder Heads
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