EM–19
ENGINE MECHANICAL
–
TIMING CHAIN
EM05P–05
REMOVAL
1.
2.
3.
4.
5.
6.
(a)
(b)
REMOVE UPPER FRONT FENDER APRON SEAL AND
UPPER RADIATOR SUPPORT SEAL
DRAIN ENGINE COOLANT
REMOVE RH FRONT WHEEL
REMOVE RH ENGINE UNDER COVER
REMOVE DRIVE BELT AND GENERATOR
(See page CH–7)
DISCONNECT PS PUMP FROM ENGINE
Disconnect the PS oil pressure switch connector.
Remove the 2 nuts and through bolts, and disconnect the
PS pump from the engine (See page SR–24).
HINT:
Put aside the pump and suspend it to the cowl with a string.
7.
REMOVE RH ENGINE MOUNTING INSULATOR
(a) Set the jack to the engine.
HINT:
Place a wooden block between the jack and engine.
A01045
(b)
2ZZ–GE:
(c)
8.
A10381
2000 CELICA (RM744U)
(a)
(b)
(c)
1ZZ–FE:
Remove the 4 bolts, 2 nuts and RH engine mounting insulator.
2ZZ–GE:
Remove the 5 bolts, 2 nuts and RH engine mounting insulator.
1ZZ–FE:
REMOVE CYLINDER HEAD COVER
Remove the 4 bolts and No. 2 cylinder head cover.
Remove the 4 ignition coils (See page IG–6).
Disconnect the 2 PCV hoses from the cylinder head.
EM–20
ENGINE MECHANICAL
(d)
9.
(a)
(b)
(c)
–
TIMING CHAIN
Remove the 9 bolts, 2 seal washers, 2 nuts, cylinder head
cover and gasket.
2ZZ–GE:
REMOVE CYLINDER HEAD COVER
Remove the 4 bolts and No. 2 cylinder head cover.
Remove the ignition coils (See page IG–6).
Disconnect the 2 PCV hoses from the cylinder head cover.
A10383
(d)
(e)
Remove the 2 nuts, bolt and disconnect the No. 3 ventilation hose from the No. 1 ventilation pipe.
Remove the No. 1 ventilation pipe and gasket.
A10385
(f)
(g)
Remove the 9 bolts, wire harness protector, cylinder head
cover and gasket.
Remove the O–ring from the cylinder head cover.
A10386
10.
(a)
SET NO. 1 CYLINDER TO TDC/COMPRESSION
Turn the crankshaft pulley, and align its groove with timing
mark ”0” of the timing chain cover.
B00273
(b)
Check that the point marks of the camshaft timing sprockets are in straight line on the timing chain cover surface
as shown in the illustration.
If not, turn the crankshaft 1 revolution (360°) and align the
marks as above.
A10387
2000 CELICA (RM744U)
EM–21
ENGINE MECHANICAL
11.
(a)
SST
(b)
–
TIMING CHAIN
REMOVE CRANKSHAFT PULLEY
Using SST and 2 nuts (width: 10 mm (0.25 in.)), remove
the pulley bolt.
SST 09213–70010, 09330–00021
Remove the crankshaft pulley.
SST
B00296
HINT:
If necessary, remove the pulley with SST.
SST 09950–50012 (09951–05010, 09952–05010,
09953–05020, 09954–05020)
SST
B00298
12.
2ZZ–GE:
A10388
DISCONNECT CRANKSHAFT POSITION SENSOR
FROM TIMING CHAIN COVER
Remove the 2 bolts and crankshaft position sensor.
13. REMOVE DRIVE BELT TENSIONER
Remove the bolt, nut and drive belt tensioner.
14. REMOVE RH ENGINE MOUNTING BRACKET
(a) 1ZZ–FE:
Remove the 3 bolts and mounting bracket.
(b) 2ZZ–GE:
Remove the 4 bolts and mounting bracket.
15. REMOVE CHAIN TENSIONER
Remove the 2 nuts and chain tensioner.
16. REMOVE WATER PUMP (See page CO–5)
A07317
17.
A10389
2000 CELICA (RM744U)
1ZZ–FE:
REMOVE TIMING CHAIN COVER
(a) Remove the 11 bolts and nut.
(b) Using a torx wrench socket (E8), remove the stud bolt.
(c) Remove the timing chain cover by prying the portions between the cylinder head and cylinder block with a screwdriver.
NOTICE:
Be careful not to damage the contact surfaces of the timing
chain cover, cylinder head and cylinder block.
EM–22
ENGINE MECHANICAL
–
TIMING CHAIN
18.
2ZZ–GE:
REMOVE TIMING CHAIN COVER
(a) Remove the 12 bolts.
(b) Using a torx wrench socket (E8), remove the stud bolt.
(c) Remove the timing chain cover and 2 gaskets.
19. REMOVE CRANK ANGLE SENSOR PLATE
20. REMOVE CHAIN TENSIONER SLIPPER
Remove the bolt and slipper.
A10390
21.
REMOVE TIMING CHAIN AND CRANKSHAFT TIMING
SPROCKET
If the crankshaft timing sprocket cannot be removed by hand,
use 2 screwdrivers.
NOTICE:
Position shop rags as shown to prevent damage.
22. REMOVE CHAIN VIBRATION DAMPER
Remove the 2 bolts and damper.
B00302
23.
A10371
2000 CELICA (RM744U)
REMOVE VALVE TIMING CONTROL ASSEMBLY AND
CAMSHAFT TIMING SPROCKET
Hold the hexagonal head wrench portion of the camshaft with
a wrench, and remove the bolt, valve timing controller assembly
and timing sprocket.
NOTICE:
S
Be careful not to damage the cylinder head and valve
lifter with the wrench.
S
Do not disassemble the valve timing controller assembly.
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