lock LEXUS SC400 1991 Service Repair Manual

9. INSTALL REAR OIL SEAL RETAINER
(a) Remove any old packing (FIPG) material and be careful notto drop any oil on the contact surfaces of the oil seal retainer
and cylinder block.
wUsing a razor blade and gasket scraper, remove all the
oil packing (FIPG) material from the gasket surfaces and
sealing grooves.
w Thoroughly clean all components to remove all the
loose material.
w Using a non±residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the oil seal retainer as shown in the illustration.
Seal packing:
Part No. 08826±00080 or equivalent
wIn sta ll a no zzle th a t ha s be e n cu t to a 2 ± 3 mm
(0.08±0.12) opening.
w Parts must be assembled within 5 minutes of
application. Otherwise the material must be removed
and reapplied.
w Immediately remove nozzle from the tube and reinstall
cap.
(c) Install a new O±ring to the cylinder block.
(d) Install the oil seal retainer with the 7 bolts.
Torque: 7.8 N Vm (80 kgf Vcm, 69 in. Vlbf)
EG±184±
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POST ASSEMBLY
EG24Z±01
(See Components for Cylinder Block Prepation of
Disassembly and Post Assembly)
1. INSTALL WATER SEAL PLATE
(a) Remove any old packing (FIPG) material and be careful notto drop any oil on the contact surfaces of the seal plate and
cylinder block.
wUsing a razor blade and gasket scraper remove all the
old packing (FIPG) material from the gasket surfaces
and sealing groove.
w Thoroughly clean all components to remove all the
loose material.
w Using a non±residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the seal plate as shown in the illustration.
Seal packing:
Part No. 08826±00080 or equivalent
wInstall a nozzle that has been cut to 2 ± 3 mm (0.08±0.12
in.) opening.
w Parts must be assembled within 5 minutes of
application. Otherwise the material must be removed
and reapplied.
w Immediately remove nozzle from the tube and reinstall
cap.
(c) Install the seal plate with the 2 nuts. Alternately tighten the
nuts in several passes.
Torque: 14 N Vm (145 kgf Vcm, 10 ft Vlbf)
2. INSTALL GENERATOR BRACKET
Install the generater bracket with the bolt.
Torque: 18 N Vm (185 kgf Vcm, 13 ft Vlbf)
3. INSTALL OIL PUMP
(a) Remove any old packing (FIPG) material and be careful not
to drop any oil on the contact surfaces of the oil pump and
cylinder block.
wUsing a razor blade and gasket scraper, remove all the
old packing (FIPG) material from the gasket surfaces
and sealing groove.
w Thoroughly clean all components to remove all the
loose material.
w Using a non±residue solvent, clean both sealing
surfaces.
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(b) Apply seal packing to the oil pump as shown in the illustration.
Seal packing:
Part No. 08826±00080 or equivalent
NOTICE: Avoid applying an excessive amount to the sur-
face. Be particularly careful near oil passage.
w In sta ll a no zzle th a t ha s be e n cu t to a 2 ± 3 mm
(0.08±0.12 in.) opening.
w Parts must be assembled within 5 minutes of
application. Otherwise the material must be removed
and reapplied.
w Immediately remove nozzle from the tube and reinstall
cap.
(c) Install a new O±ring to the cylinder block.
(d) Engage the spline teeth of the oil pump drive gear with the large teeth of the crankshaft, and slide the oil pump on the
crankshaft.
(e) Install the oil pump with the 8 bolts. Uniformly tighten the bolts
in several passes.
Torque:
16 NVm (160 kgf Vcm, 12 ft Vlbf) for 12 mm head
30 N Vm (310 kgf Vcm, 22 ft Vlbf) for 14 mm head
HINT: Each bolt length is indicated in the illustration.
Bolt length:
50 mm (1.97 in.) for A of 12 mm head
106 mm (4.17 in.) for B of 12 mm head
30 mm (1.18 in.) for C of 12 mm head
40 mm (1.57 in.) for D of 14 mm head
EG±186
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4. INSTALL NO.1 AND NO.2 OIL PANS(See steps 1 to 7 on pages EG±509 to 511)
5. INSTALL WATER PUMP
(a) Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the water pump and
cylinder block.
wUsing a razor blade and gasket scraper, remove all the
old packing (FIPG) material from the gasket surfaces
and sealing groove.
w Thoroughly clean all components to remove all the
loose material.
w Using a non±residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the water pump as shown in the illustration.
Seal packing:
Part No. 08826±00100 or equivalent
wIn sta ll a no zzle th a t ha s be e n cu t to a 2 ± 3 mm
(0.08±0.12 in.) opening.
w Parts must be assembled within 5 minutes of
application. Otherwise the material must be removed
and reapplied.
w Immediately remove nozzle from the tube and reinstall
cap.
(c) Install the water pump with the nut, 5 bolts and 2 stud bolts. Uniformly tighten the nut, bolts and stud bolts in several
passes.
Torque: 18 N Vm (185 kgf Vcm, 13 ft Vlbf)
HINT: Use bolts 30 mm (1.18 in.) in length.
6. INSTALL ENGINE WIRE
(a) Install the engine wire to the LH side of the cylinder block with
the 2 bolts.
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7. INSTALL TAILPIPE
(a) Install the hook of the tailpipe to the ring on the tailpipebracket.
(b) Install a new gasket and tailpipe to the center exhaust pipe with 2 bolts. Install the 2 tailpipes.
Torque: 19 N Vm (195 kgf Vcm, 14 ft Vlbf)
8. INSTALL TWC (FRONT)
Using a 14 mm deep socket wrench, install a new gasket and
the TWC with 3 new nuts. Install the 2 TWC.
Torque: 62 N Vm (630 kgf Vcm, 46 ft Vlbf)
9. INSTALL FRONT EXHAUST PIPE
(a) Temporarily install the pipe support bracket with the 4 bolts.
(b) Temporarily install 3 new gaskets and the exhaust pipe with
the 6 bolts and nuts.
(c) Tighten the 4 bolts and nuts holding the TWC to the front exhaust pipe.
Torque: 43 N Vm (440 kgf Vcm, 32 ft Vlbf)
(d) Tighten the 2 bolts and nuts holding the front exhaust pipe to
the center exhaust pipe.
Torque: 43 N Vm (440 kgf Vcm, 32 ft Vlbf)
(e) Tighten the 4 bolts holding the pipe support bracket to the
transmission.
Torque: 43 N Vm (440 kgf Vcm, 32 ft Vlbf)
10. INSTALL SUB HEATED OXYGEN SENSORS
Install the 2 oxygen sensors to the front exhaust pipe.
Torque: 44 N Vm (450 kgf Vcm, 33 ft Vlbf)
HINT:
w Before installing the oxygen sensor, twist the sensor
wire counterclockwise 3 1/2 turns.
w After installing the oxygen sensor, check that the sensor
wire is not twisted. If it is twisted, remove the oxygen
sensor and reinstall it.
EG±194
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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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CYLINDER BLOCK
COMPONENTS FOR REMOVAL AND
INSTALLATION OF ENGINE WITH
TRANSMISSION
EM±116±
ENGINE MECHANICAL Cylinder Block
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COMPONENTS FOR REMOVAL AND
INSTALLATION OF ENGINE WITH
TRANSMISSION (Cont'd)
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ENGINE MECHANICAL Cylinder BlockEM±117
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COMPONENTS FOR REMOVAL AND
INSTALLATION OF ENGINE WITH
TRANSMISSION (Cont'd)
REMOVAL OF ENGINE WITH
TRANSMISSION
1. REMOVE BATTERYCAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is
turned to the ºLOCKº position and the negative (±) termi-
nal cable is disconnected from the battery.
2. REMOVE ENGINE UNDER COVER
3. DRAIN ENGINE COOLANT (See page CO±6)
4. DRAIN ENGINE OIL
5. REMOVE HOOD
6. REMOVE DRIVE BELT Loosen the drive belt tension by turning the drive belt tension-
er counterclockwise, and remove the drive belt.
HINT: The pulley bolt for the belt tensioner has a left±hand
thread.
EM±118
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7. REMOVE THROTTLE BODY COVER(a) Remove the mounting cap nut.
(b) Loosen the two bolts, and remove the throttle bodycover.
8. DISCONNECT CONTROL CABLES FROM THROTTLE BODY
Disconnect the following cables:(1) Accelerator cable
(2) A/T throttle cable
(3) (w/ Cruise Control System) Cruise control actuator cable
9. REMOVE AIR CLEANER AND AIR FLOW METER (a) Disconnect the air flow meter connector.
(b) Loosen the hose clamp holding the air cleaner hose tothe intake air connector.
(c) Remove the four mounting bolts.
(d) Disconnect the air cleaner hose from the intake air connector.
(e) Disconnect the air duct from the air cleaner case, and remove the air cleaner and air flow meter assembly.
10. D I S C O N N E C T VA CUUM HOSE (A) (FROM PS AIR
CONTROL VALVE) FROM AIR INTAKE CHAMBER
11. REMOVE INTAKE AIR CONNECTOR
(a) Disconnect the following hose:(1) Air hose from ISC valve
(2) Air hose (from PS air control valve) from intake air connector
(b) Remove the bolt holding the intake air connector to the cylinder head cover.
(c) Loosen the hose clamp.
(d) Disconnect the intake air connector from the throttle
body, and remove the intake air connector.
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