1996 TOYOTA LAND CRUISER sensor

EM−30
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ENGINE MECHANICAL CYLINDER HEAD
1996 LAND CRUISER (RM451U)
(b) Disconnect the connectors.
(1) Disconnect the knock sensor connector.
(2) Disconnect the oil level sensor connector.
(3) Disconnect the 2 connectors from the transmission.
(4) Disconnect the starter connector.
(c) Disconnect the 2 heated oxygen sensor connectors.
(d) Disconnect the PNP switch connector.
(e) Remove the 2 bolts and disconnect the engine wire from the intake manifold and cylinder block.
(f) Disconnect the PCV hose from the PCV valve.
(g) Remove the bolt holding the engine wire to the intake manifold.
(h) Disconnect the connectors. (1) Disconnect the connector for the emission controlvalve set assembly.
(2) Disconnect the 3 injector connectors.
(i) Disconnect the engine wire clamp.
(j) Disconnect the engine wire clamp.
(k) Disconnect the connectors.
(1) Disconnect the 3 injector connectors.
(2) Disconnect the EGR gas temp. sensor connector.
(l) Disconnect the clamp of the No. 6 injector wire from the bracket.
(m) Disconnect the engine wire from the cylinder head and in-
take manifold.
25. DISCONNECT NO. 2 WATER BYPASS PIPE
Remove the 3 bolts, and disconnect the bypass pipe from the
cylinder head.
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ENGINE MECHANICAL CYLINDER HEAD
EM−31
1996 LAND CRUISER (RM451U)
26. REMOVE FRONT EXHAUST PIPE
(a) Disconnect the heated oxygen sensor connector.
(b) Remove the 2 nuts and 2 bolts holding the front exhaust
pipe to the rear TWC.
(c) Disconnect the front exhaust pipe, and remove the gas- ket.
(d) Loosen the clamp bolt and disconnect the clamp from the
No. 1 support bracket.
(e) Remove the 2 bolts and No. 1 support bracket.
(f) Remove the 4 nuts, front exhaust pipe and 2 gaskets.
27. REMOVE NO. 1 AND NO. 2 EXHAUST MANIFOLDS
(a) Remove the 6 bolts, No. 1 heat insulator and No. 2 heat insulator.
(b) Remove the 13 nuts, No. 1 exhaust manifold, No. 2 ex- haust manifold and 2 gaskets.
28. REMOVE HEATER PIPE
Remove the 2 bolts, 2 nuts, ground cable, heater pipe and gas-
ket.
29. REMOVE WATER BYPASS OUTLET AND PIPE
(a) Remove the 2 bolts and water bypass outlet and pipe.
(b) Remove the 3 O−rings from the water bypass outlet and pipe.
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ENGINE MECHANICAL CYLINDER HEAD
EM−39
1996 LAND CRUISER (RM451U)
(d) Using compressed air and a magnetic finger, remove the
spring seat by blowing air.
HINT:
Arrange the valves, valve springs, spring seats and spring re-
tainers in correct order.
13. REMOVE ECT SENDER GAUGE
14. REMOVE ECT CUT SWITCH
15. REMOVE ECT SENSOR
16. REMOVE TVV
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EM−52
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ENGINE MECHANICAL CYLINDER HEAD
1996 LAND CRUISER (RM451U)
(b) Install the TVV.
3. INSTALL ECT SENDER GAUGE
4. INSTALL ECT CUT SWITCH
5. INSTALL ECT SENSOR
6. INSTALL VALVES
(a) Using SST, push in a new oil seal.
SST 09236−00101 (09236 −15010)
HINT:
Different oil seals are used for the intake and exhaust.
(b) Install the valve (1), spring seat (2), valve spring (3) and spring retainer (4).
(c) Using SST, compress the valve spring and place the 2 keepers around the valve stem.
SST 09202−70020 (09202 −00010)
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ENGINE MECHANICAL CYLINDER HEAD
EM−61
1996 LAND CRUISER (RM451U)
14. INSTALL HEATER PIPE
Install a new gasket, the heater pipe and ground cable with the
2 bolts and 2 nuts.
Torque:
20 N·m (200 kgf·cm, 14 ft·lbf) for bolt:
21 N·m (210 kgf·cm, 15 ft·lbf) for nut
15. INSTALL NO. 1 AND NO. 2 EXHAUST MANIFOLDS
(a) Install 2 new gaskets, No. 1 exhaust manifold and No. 2
exhaust manifold with the 13 nuts.
Torque: 39 N·m (400 kgf·cm, 29 ft·lbf)
(b) Install the No. 1 heat insulator and No. 2 heat insulator with the 6 bolts.
Torque: 19 N·m (195 kgf·cm, 14 ft·lbf)
16. INSTALL FRONT EXHAUST PIPE
(a) Install 2 new gaskets and the front exhaust pipe with the 4 nuts.
Torque: 63 N·m (630 kgf·cm, 46 ft·lbf)
(b) Install the No. 1 support bracket with the 2 bolts. Torque: 24 N·m (240 kgf·cm, 17 ft·lbf)
(c) Connect the clamp and tighten the clamp bolt.
Torque: 19.5 N·m (195 kgf·cm, 14 ft·lbf)
(d) Connect the front exhaust pipe to the rear TWC with a new gasket, 2 bolts and 2 nuts.
Torque: 46 N·m (470 kgf·cm, 34 ft·lbf)
17. CONNECT NO. 2 WATER BYPASS PIPE
Connect the bypass pipe to the cylinder head with the 3 bolts.
Torque: 20 N·m (200 kgf·cm, 14 ft·lbf)
18. CONNECT ENGINE WIRE
(a) Place the engine wire on the intake manifold.
(b) Connect the connectors. (1) Connect the 3 injector connectors.
(2) Connect the EGR gas temp. sensor connector.
(c) Connect the clamp of the No.6 injector wire to the bracket.
(d) Connect the engine wire clamp.
(e) Connect the engine wire clamp.
(f) Connect the connectors. (1) Connect the connector for the emission control
valve set assembly.
(2) Connect the 3 injector connectors.
(g) Install the bolt holding the engine wire to the intake man- ifold.
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EM−62
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ENGINE MECHANICAL CYLINDER HEAD
1996 LAND CRUISER (RM451U)
(h) Connect the engine wire to the intake manifold and cylin-
der block with the 2 bolts.
(i) Connect the PNP switch connector.
(j) Connect the 2 heated oxygen sensor connectors.
(k) Connect the connectors.
(1) Connect the Knock sensor connector.
(2) Connect the oil level sensor connector.
(3) Connect the 2 connectors to tthe ransmission.
(4) Connect the starter connector.
(l) Connect the engine wire to the cylinder block with the bolt.
(m) Connect the connectors.
(1) Connect the ECT sender gauge connector.
(2) Connect the ECT cut switch connector.
(3) Connect the ECT sensor connector.
(4) Connect the knock sensor connector.
(5) Connect the crankshaft position sensor connector.
19. CONNECT FUEL INLET HOSE
Connect the fuel inlet hose to the fuel filter with 2 new gaskets
and the union bolt. Torque: 29 N·m (300 kgf·cm, 22 ft·lbf)
20. INSTALL INTAKE MANIFOLD STAY
Install the intake manifold stay with the 2 bolts. Torque: 36 N·m (360 kgf·cm, 26 ft·lbf)
21. INSTALL OIL DIPSTICKS AND GUIDES FOR ENGINE AND TRANSMISSION
(a) Install a new O−ring to the dipstick guide.
(b) Apply a light coat of engine oil on the O −ring.
(c) Push in the dipstick guide into the guide hole of the oil pan.
(d) Install the dipstick guide with the 2 bolts. Torque: 20 N·m (200 kgf·cm, 14 ft·lbf)
22. INSTALL THROTTLE BODY (See page SF−48)
23. INSTALL GENERATOR AND DRIVE BELTS (See page CH−19 )
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EM−70
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ENGINE MECHANICAL ENGINE UNIT
1996 LAND CRUISER (RM451U)
13. DISCONNECT ENGINE WIRE AND HEATER VALVE
FROM COWL PANEL
(a) Remove the 2 bolts and disconnect the engine wire and
ground strap.
(b) Remove the 2 bolts and disconnect the heater valve.
14. DISCONNECT BRAKE BOOSTER VACUUM HOSE
15. DISCONNECT EVAP HOSE
16. DISCONNECT FUEL HOSES
(a) Disconnect the fuel return hose.
(b) Remove the union bolt and 2 gaskets, and disconnect the
fuel inlet hose from the fuel filter.
17. DISCONNECT WIRES AND CONNECTORS
(a) Disconnect the 2 heated oxygen sensor connectors.
(b) Disconnect the DLC1 clamp.
(c) Disconnect the 2 oil pressure gauge connectors.
(d) Disconnect the generator wire and connector.
(e) Disconnect the connector on the intake manifold from the
fender apron.
(f) Disconnect the high−tension cord from the ignition coil.
(g) Disconnect the ground strap from the No. 1 engine hang-
er.
(h) Disconnect the ground strap from the air intake chamber.
(i) Disconnect the starter wire.
(j) Disconnect the ground cable from the cylinder block.
18. DISCONNECT A/C COMPRESSOR AND BRACKET
(a) Loosen the idler pulley nut and adjusting bolt, and remove
the drive belt.
(b) Remove the 4 mounting bolts, and disconnect the com-
pressor from the bracket.
HINT:
Put aside the compressor, and suspend it.
(c) Remove the 5 bolts and A/C compressor bracket.
19. REMOVE RADIATOR PIPE
(a) Remove the 2 nuts holding the radiator pipe to the No. 1 oil pan.
(b) Disconnect the No. 2 radiator hose from the water inlet and remove the radiator pipe.
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ENGINE MECHANICAL ENGINE UNIT
EM−73
1996 LAND CRUISER (RM451U)
(g) Disconnect the 3 connectors.
(h) Remove the 10 bolts and the transfer shift lever boot and
transmission shift lever assembly.
(i) Pull out the pin and disconnect the shift rod.
(j) Remove the 4 bolts, hose clamp and the transfer shift le- ver.
26. REMOVE FRONT EXHAUST PIPE
(a) Disconnect the heated oxygen sensor connector.
(b) Remove the 2 nuts and 2 bolts holding the front exhaust pipe to the rear TWC.
(c) Disconnect the front exhaust pipe, and remove the gas- ket.
(d) Loosen the clamp bolt and disconnect the clamp from the
No.1 support bracket.
(e) Remove the 2 bolts and No. 1 support bracket.
(f) Remove the 4 nuts, front exhaust pipe and 2 gaskets.
27. DISCONNECT GROUND STRAP FROM HEAT INSULA-
TOR
28. PLACE JACK UNDER TRANSMISSION
Be sure to put a wooden block between the jack and the trans-
mission oil pan to prevent damage.
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