Page 2697 of 4592

EM04S±05
S04528
Hexagon
Clip
A06658
(l)
(m) (n)
S05049
(o)
(p)
(q) (s)(r)
(t) EM±32
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1318 Author: Date:
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE AIR CLEANER CAP ASSEMBLY AND AIR
FILTER
3. REMOVE ENGINE RH FENDER APRON SEAL
4. REMOVE FRONT EXHAUST PIPE (See page EM±71)
5. REMOVE RH ENGINE MOUNTING STAY
6. REMOVE V±BANK COVER
(a) Using a 5 mm hexagon wrench, remove the 2 nuts.
(b) Disconnect the 2 clips, and remove the cover.
7. REMOVE HIGH±TENSION CORD SET
(See page IG±7)
8. REMOVE AIR INTAKE CHAMBER ASSEMBLY
(a) Disconnect the accelerator cable.
(b) Disconnect the A/T throttle cable.
(c) Disconnect the throttle position sensor connector.
(d) Disconnect the IAC valve connector.
(e) Disconnect the EGR gas temperature sensor connector.
(f) Disconnect the EGR valve position sensor connector.
(g) Disconnect the VSV connector for the ACIS.
(h) Disconnect the VSV connector for the EVAP.
(i) Disconnect the VSV connector for the EGR.
(j) Disconnect the DLC1 from the bracket on the intake air
control valve.
(k) Remove the 2 nuts, and disconnect the PS pressure tube
from the No.1 engine hanger.
(l) Disconnect the PCV hose from the PCV valve on the RH
cylinder head.
(m) Disconnect the ground strap and cable from the intake air
control valve for the ACIS.
(n) Disconnect the ground cable from the air intake chamber.
(o) Disconnect the brake booster vacuum hose from the air
intake chamber.
(p) Disconnect the 2 water bypass hoses from the throttle
body.
(q) Disconnect the air assist hose from the throttle body.
(r) Disconnect the purge hose from the pipe on emission
control valve set.
(s) Disconnect the 2 vacuum hoses from the vacuum tank for
the ACIS.
Page 2699 of 4592

P20049Gasket
A05077
Clamp
Clamp
Clamp
S04786
EM±34
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1320 Author: Date:
10. REMOVE WATER OUTLET
(a) Disconnect the ECT sender gauge connector.
(b) Disconnect the ECT sensor connector.
(c) Disconnect the ground strap (connector).
(d) Disconnect the radiator hose.
(e) Disconnect the engine coolant reservoir hose.
(f) Remove the 2 bolts, 2 nuts and 2 plate washers.
(g) Disconnect the water bypass hose, and remove the water
outlet.
(h) Remove the 2 gaskets.
11. REMOVE GENERATOR DRIVE BELT
(See page CH±6)
12. REMOVE PS PUMP (See page SR±21)
13. REMOVE IGNITION COILS
14. REMOVE SPARK PLUGS
15. REMOVE TIMING BELT (See page EM±15)
16. REMOVE CAMSHAFT TIMING PULLEYS
(See page EM±15)
17. REMOVE NO.2 IDLER PULLEY (See page EM±15)
18. REMOVE NO.3 TIMING BELT COVER
(a) Disconnect the 3 engine wire clamps from the timing belt
cover.
(b) Remove the 6 bolts and timing belt cover.
19. DISCONNECT ENGINE WIRE PROTECTOR FROM
REAR SIDE
Remove the 2 nuts, and disconnect the engine wire protector
from the RH cylinder head and water inlet.
Page 2731 of 4592

A05194
L = 133 mm (5.24 in.)
L = 180 mm (7.09 in.)L = 72 mm (2.83 in.)
L = 335 mm (13.19 in.)L = 180 mm
(7.09 in.)
L = Length Join
LineJoin
Line
Z14262New Gasket
A01808
8
6
5
4
3
2
1
9
10
7
11
EM±66
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1352 Author: Date:
Remove the backing paper from a new gasket and
install the gasket evenly to the part of the timing belt
cover shaded black in the illustration.
NOTICE:
When joining 2 gaskets, do not leave a gap between them.
Cut off any excess gasket.
After installing the gasket, press down on it so that
the adhesive firmly sticks to the timing belt cover.
(b) Install the timing belt cover with the 6 bolts.
Torque: 8.5 N´m (85 kgf´cm, 74 in.´lbf)
(c) Install the 3 engine wire clamps to the timing belt cover.
20. INSTALL NO.2 IDLER PULLEY (See page EM±21)
21. INSTALL CAMSHAFT TIMING PULLEYS
(See page EM±21)
22. INSTALL TIMING BELT (See page EM±21)
23. INSTALL SPARK PLUGS
24. INSTALL IGNITION COILS
25. INSTALL PS PUMP DRIVE BELT
26. INSTALL GENERATOR DRIVE BELT
(See page SR±28)
27. INSTALL WATER OUTLET
(a) Install 2 new gaskets.
(b) Connect the water outlet to the bypass hose.
(c) Install the water outlet with the 2 bolts, 2 nuts and 2 plate
washers. Alternately tighten the bolts and nuts.
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)
NOTICE:
Do not scratch the seal surface of the water outlet with the
stud bolt.
(d) Connect the ECT sender gauge connector.
(e) Connect the ECT sensor connector.
(f) Connect the ground strap (connector).
(g) Connect the radiator hose.
(h) Connect the engine coolant reservoir hose.
28. INSTALL INTAKE MANIFOLD ASSEMBLY
(a) Install the intake manifold, delivery pipe and injectors as-
sembly with the 9 bolts, 2 plate washers and 2 nuts. Uni-
formly tighten the bolts and nuts, in several passes, in the
sequence shown.
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)
Page 2733 of 4592
EM±68
± ENGINE MECHANICAL (1MZ±FE)CYLINDER HEAD
1354 Author: Date:
(w) Connect the DLC1 to the bracket on the intake air control
valve.
(x) Connect the accelerator cable.
(y) Connect the A/T throttle cable.
31. INSTALL HIGH±TENSION CORD SET
32. INSTALL V±BANK COVER
33. INSTALL RH ENGINE MOUNTING STAY
(See page EM±76)
34. INSTALL AIR FILTER AND AIR CLEANER CAP
ASSEMBLY
35. INSTALL RH FENDER APRON SEAL
36. INSTALL FRONT EXHAUST PIPE
(See page EM±76)
37. FILL WITH ENGINE COOLANT
38. START ENGINE AND CHECK FOR LEAKS
39. VEHICLE ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smoothly operation.
40. RECHECK ENGINE COOLANT LEVEL
Page 2736 of 4592

EM04Y±03
S05048
± ENGINE MECHANICAL (1MZ±FE)ENGINE UNIT
EM±71
1357 Author: Date:
REMOVAL
1. REMOVE BATTERY AND TRAY
2. REMOVE HOOD
3. REMOVE ENGINE FENDER APRON SEALS
4. DRAIN ENGINE COOLANT
5. DRAIN ENGINE OIL
6. DISCONNECT ACCELERATOR CABLE
7. REMOVE AIR CLEANER CAP ASSEMBLY AND AIR
CLEANER CASE
8. REMOVE CRUISE CONTROL ACTUATOR
9. REMOVE RADIATOR (See page CO±18)
10. REMOVE FRONT EXHAUST PIPE
(a) Remove the 2 bolts holding the support stay to the sup-
port bracket.
(b) Remove the 2 bolts holding the support bracket to the
front frame.
(c) Remove the 2 bolts and 2 nuts holding the front exhaust
pipe to the center exhaust pipe.
(d) Remove the 4 nuts holding the front exhaust pipe to the
exhaust manifolds.
(e) Remove the front exhaust pipe and 3 gaskets.
11. DISCONNECT CONNECTORS, CABLE, CLAMPS
AND HOSES
(a) Disconnect the igniter connector on the LH fender apron.
(b) Disconnect the noise filter connector on the LH fender
apron.
(c) Disconnect the generator wire and connector.
(d) Disconnect the starter wire and connector.
(e) Disconnect the 2 ground strap connectors from the LH
fender apron.
(f) Disconnect the 2 ground strap connectors from the RH
fender apron.
(g) Disconnect the ground cable from the battery body brack-
et.
(h) Disconnect the engine wire protector clamp from the bat-
tery body bracket.
(i) Disconnect the engine wire clamp from the bracket on the
RH fender apron.
(j) Disconnect the engine wire clamp from the bracket on the
fuel filter.
Page 2737 of 4592

S04497
B00881
Connector
Bracket
EM±72
± ENGINE MECHANICAL (1MZ±FE)ENGINE UNIT
1358 Author: Date:
(k) Disconnect the brake booster vacuum hose from the air
intake chamber.
(l) Disconnect the engine coolant reservoir hose from the
water outlet.
(m) Disconnect the heater hose from the intake manifold.
(n) Disconnect the heater hose from the water inlet housing.
(o) Disconnect the fuel inlet hose from the fuel filter.
CAUTION:
Perform disconnecting operation of the fuel tube connec-
tor (quick type) after observing the precautions.
(See page SF±6)
(p) Disconnect the purge hose from the pipe on the emission
control valve set.
(q) Disconnect the 2 vacuum hoses from the vacuum tank for
the ACIS.
12. DISCONNECT ENGINE WIRE FROM CABIN
(a) Remove the No.2 instrument lower panel.
(b) Disconnect the 3 ECM connectors.
(c) Disconnect the 3 cowl wire connectors from the connec-
tors on the bracket.
(d) Disconnect the grommet from the cowl panel, and pull out
the engine wire.
13. REMOVE DRIVE SHAFTS (See page SA±26)
14. M/T only:
REMOVE STARTER (See page ST±5)
15. M/T only:
DISCONNECT CLUTCH RELEASE CYLINDER AND
ACCUMULATOR WITHOUT DISCONNECTING TUBE
16. DISCONNECT A/C COMPRESSOR FROM ENGINE
(a) Disconnect the A/C compressor connector.
(b) Remove the drive belt.
(c) Remove the 4 bolts, nut and drive belt adjusting bar
bracket.
(d) Disconnect the A/C compressor from the engine.
17. DISCONNECT TRANSAXLE CONTROL CABLE(S)
FROM TRANSAXLE
Page 2744 of 4592

S05048
± ENGINE MECHANICAL (1MZ±FE)ENGINE UNIT
EM±79
1365 Author: Date:
(f) Connect the 2 ground strap connectors to the LH fender
apron.
(g) Connect the DLC1 to the RH fender apron.
(h) Connect the ground cable to the battery body bracket.
(i) Connect the engine wire protector clamp to the battery
body bracket.
(j) Connect the engine wire clamp to the bracket on the RH
fender apron.
(k) Connect the engine wire clamp to the bracket on the fuel
filter.
(l) Connect the brake booster vacuum hose to the air intake
chamber.
(m) Connect the engine coolant reservoir hose to the water
outlet.
(n) Connect the heater hose to the intake manifold.
(o) Connect the heater hose to the water inlet housing.
(p) Connect the fuel inlet hose to the fuel filter.
CAUTION:
Perform connecting operations of the fuel tube connector
(quick type) after observing the precautions.
(See page SF±6)
(q) Connect the purge hose to the pipe on the emission con-
trol valve set.
(r) Connect the 2 vacuum hoses to the vacuum tank for the
ACIS.
21. INSTALL FRONT EXHAUST PIPE
(a) Temporarily install 3 new gaskets and the front exhaust
pipe with the 2 bolts and 6 nuts.
(b) Tighten the 4 nuts holding the exhaust manifolds to the
front exhaust pipe.
Torque: 62 N´m (630 kgf´cm, 46 ft´lbf)
(c) Tighten the 2 bolts and 2 nuts holding the front exhaust
pipe to the center exhaust pipe.
Torque: 56 N´m (570 kgf´cm, 41 ft´lbf)
(d) Install the bracket with the 2 bolts.
Torque: 33 N´m (330 kgf´cm, 24 ft´lbf)
(e) Install the support stay with the 2 bolts.
Torque: 33 N´m (330 kgf´cm, 24 ft´lbf)
22. INSTALL RADIATOR (See page CO±24)
23. INSTALL CRUISE CONTROL ACTUATOR
24. INSTALL AIR CLEANER CAP ASSEMBLY AND AIR
CLEANER CASE
25. CONNECT ACCELERATOR CABLE
26. INSTALL ENGINE FENDER APRON SEALS
27. INSTALL BATTERY TRAY AND BATTERY
Page 2745 of 4592
EM±80
± ENGINE MECHANICAL (1MZ±FE)ENGINE UNIT
1366 Author: Date:
28. INSTALL HOOD
29. FILL ENGINE WITH OIL
30. FILL WITH ENGINE COOLANT
31. START ENGINE AND CHECK FOR LEAKS
32. PERFORM ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smooth operation.
33. RECHECK ENGINE COOLANT AND OIL LEVELS