1996 TOYOTA LAND CRUISER Vacuum

EM1E3−01
EM−28
−
ENGINE MECHANICAL CYLINDER HEAD
1996 LAND CRUISER (RM451U)
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE BATTERY AND BATTERY TRAY
(a) Disconnect the battery cables.
(b) Remove the nuts, hold −down clamp and battery.
(c) Remove the bolt and disconnect the ground strap.
(d) Remove the 5 bolts and battery tray.
3. REMOVE AIR CLEANER HOSE AND CAP
4. DISCONNECT CRUISE CONTROL ACTUATOR CABLE FROM THROTTLE BODY
5. DISCONNECT ACCELERATOR CABLE FROM
THROTTLE BODY
6. DISCONNECT THROTTLE CABLE FROM THROTTLE BODY
7. DISCONNECT ENGINE GROUND STRAPS
(a) Disconnect the ground strap from the No. 1 engine hang-
er.
(b) Disconnect the ground strap from the air intake chamber.
8. DISCONNECT CONNECTOR ON INTAKE MANIFOLD FROM LH FENDER APRON
9. DISCONNECT BRAKE BOOSTER VACUUM HOSE
10. DISCONNECT EVAP HOSE
11. DISCONNECT FUEL RETURN HOSE
12. DISCONNECT HEATER HOSES
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. REMOVE NO. 2 AND NO. 3 CYLINDER HEAD COVERS
Remove the 4 bolts and head covers.
15. REMOVE DISTRIBUTOR (See page IG−10 )
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EM1E4−01
−
ENGINE MECHANICAL CYLINDER HEAD
EM−37
1996 LAND CRUISER (RM451U)
DISASSEMBLY
1. REMOVE GENERATOR BRACKET
Remove the 2 bolts and generator bracket.
2. REMOVE WATER OUTLET
Remove the 2 nuts, water outlet and gasket.
3. REMOVE EGR PIPE
(a) Loosen the union nut.
(b) Remove the 2 bolts, EGR pipe and gasket.
4. REMOVE HEATER INLET PIPE AND HOSE
Remove the 2 bolts, and disconnect the pipe and hose.
5. REMOVE AIR INTAKE CHAMBER AND INTAKE MAN-
IFOLD ASSEMBLY
(a) Disconnect the 2 vacuum hoses from the TVV.
(b) Remove the 10 bolts, 2 nuts, intake manifold and gasket.
6. DISASSEMBLE AIR INTAKE CHAMBER AND INTAKE MANIFOLD ASSEMBLY
(a) Disconnect the vacuum sensing hose from the fuel pres-
sure regulator.
(b) Remove the 6 bolts, 2 nuts, air intake chamber and 2 gas-
kets from the intake manifold.
7. REMOVE NO. 1 WATER BYPASS HOSE
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−
ENGINE MECHANICAL CYLINDER HEAD
EM−53
1996 LAND CRUISER (RM451U)
(d) Using a plastic−faced hammer, lightly tap the valve stem
tip to ensure a proper fit.
7. INSTALL VALVE LIFTERS AND SHIMS
(a) Install the valve lifter and shim.
(b) Check that the valve lifter rotates smoothly by hand.
8. INSTALL ACCELERATOR CABLE BRACKET AND THROTTLE CABLE BRACKET
9. INSTALL 2 ENGINE WIRE CLAMP BRACKETS
10. INSTALL NO. 1 AND NO. 2 ENGINE HANGERS Torque: 41 N·m (420 kgf·cm, 30 ft·lbf)
11. INSTALL NO. 1 WATER BYPASS HOSE
12. ASSEMBLE AIR INTAKE CHAMBER AND INTAKE MANIFOLD ASSEMBLY
(a) Install 2 new gaskets and the air intake chamber with the
6 bolts and 2 nuts.
Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)
(b) Connect the vacuum sensing hose to the fuel pressure regulator.
13. INSTALL AIR INTAKE CHAMBER AND INTAKE MAN- IFOLD ASSEMBLY
(a) Place a new gasket so that the rear mark is toward the rear side.
(b) Install the intake manifold with the 10 bolts and 2 nuts.
Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)
(c) Connect the 2 vacuum hoses to the TVV.
14. INSTALL HEATER INLET PIPE AND HOSE
Install the heater hose to the cylinder head, and connect the
pipe to the intake manifold with the 2 bolts. Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)
15. INSTALL EGR PIPE
(a) Temporarily install the union nut to the EGR valve.
(b) Install a new gasket and the EGR pipe to the cylinder head with the 2 bolts.
Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)
(c) Tighten the union nut. Torque: 78 N·m (800 kgf·cm, 58 ft·lbf)
16. INSTALL WATER OUTLET
Install a new gasket and the water outlet with the 2 nuts. Torque: 21 N·m (210 kgf·cm, 15 ft·lbf)
17. INSTALL GENERATOR BRACKET
Install the generator bracket with the 2 bolts. Torque: 43 N·m (440 kgf·cm, 32 ft·lbf)
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−
ENGINE MECHANICAL CYLINDER HEAD
EM−63
1996 LAND CRUISER (RM451U)
24. CONNECT NO. 3 WATER BYPASS HOSE
25. CONNECT RADIATOR INLET HOSE
26. CONNECT PS RESERVOIR TANK
Connect the reservoir tank with the 3 bolts.
Torque: 20 N·m (200 kgf·cm, 14 ft·lbf)
27. INSTALL DISTRIBUTOR (See page IG−11)
28. INSTALL NO. 2 AND NO. 3 CYLINDER HEAD COVERS
Install the head covers with the 4 bolts.
29. CONNECT HEATER VALVE AND ENGINE WIRE TO COWL PANEL
(a) Connect the heater valve with the 2 bolts.
(b) Connect the engine wire and ground strap with the 2 bolts.
30. CONNECT HEATER HOSES
31. CONNECT FUEL RETURN HOSE
32. CONNECT EVAP HOSE
33. CONNECT BRAKE BOOSTER VACUUM HOSE
34. CONNECT CONNECTOR ON INTAKE MANIFOLD TO LH FENDER APRON
35. CONNECT ENGINE GROUND STRAPS
(a) Connect the ground strap to the No. 1 engine hanger.
(b) Connect the ground strap to the air intake chamber.
36. CONNECT THROTTLE CABLE TO THROTTLE BODY
37. CONNECT ACCELERATOR CABLE TO THROTTLE
BODY
38. CONNECT CRUISE CONTROL ACTUATOR CABLE TO
THROTTLE BODY
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EM−70
−
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−81
1996 LAND CRUISER (RM451U)
26. CONNECT EVAP HOSE
27. CONNECT BRAKE BOOSTER VACUUM HOSE
28. CONNECT HEATER VALVE AND ENGINE WIRE TO
COWL PANEL
(a) Connect the heater valve with the 2 bolts.
(b) Connect the engine wire and ground strap with the 2 bolts.
29. CONNECT HEATER HOSES
30. CONNECT ACCELERATOR CABLE TO THROTTLE BODY
31. CONNECT CRUISE CONTROL ACTUATOR CABLE TO
THROTTLE BODY
32. INSTALL AIR CLEANER CASE
33. INSTALL AIR CLEANER HOSE AND CAP
34. CONNECT OIL COOLER HOSE TO OIL COOLER PIPE
35. INSTALL RADIATOR (See page CO−16)
36. INSTALL RADIATOR GRILLE
Install the radiator grille with the 5 screws and clip.
37. INSTALL BATTERY TRAY AND BATTERY
(a) Install the battery tray with the 5 bolts.
(b) Connect the ground strap with the bolt.
(c) Install the battery and hold−down clamp with the nuts.
(d) Connect the battery cables.
38. FILL WITH ENGINE OIL
39. FILL RADIATOR WITH ENGINE COOLANT
40. START ENGINE AND CHECK FOR LEAKS
41. CHECK AUTOMATIC TRANSMISSION FLUID LEVEL
42. CHECK IGNITION TIMING (See page EM−10)
43. INSTALL HOOD
44. PERFORM ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smooth operation.
45. RECHECK ENGINE COOLANT AND ENGINE OIL LEV-
ELS
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PP301-01
-
PREPARATION ENGINE MECHANICAL
PP-5
1996 LAND CRUISER (RM451U)
RECOMMENDED TOOLS
09082-00040TOYOTA Electrical Tester.
09200-00010Engine Adjust Kit .
09258-00030Hose Plug Set .Plug for the vacuum hose, fuel hose
etc.
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PP306−01
−
PREPARATION EMISSION CONTROL
PP−9
1996 LAND CRUISER (RM451U)
EQUIPMENT
HeaterTVV
OBD II scan toolEngine speed
ThermometerTVV
Torque wrench
Vacuum gauge
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