Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm em cylhea remo
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EM-28
ENGINE MECHANICAL - CYLINDER HEAD
EM16I-01
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE WATER FILLER
(a) Disconnect the No. 3 radiator hose.
(b) Remove the 2 bolts and water filler.
3. REMOVE OUTER FRONT COWL TOP PANEL
(See page BO-31 )
4. REMOVE DRIVE BELT AND ALTERNATOR
(See page CH-7 )
5. REMOVE AIR CLEANER ASSEMBLY
6. DISCONNECT ACCELERATOR CABLE
7. DISCONNECT CENTER EXHAUST PIPE FROM
EXHAUST MANIFOLD
(a) Remove the 2 bolts and 2 springs holding the front ex-
haust pipe to the exhaust manifold.
(b) Remove the gasket.
A11263
8. REMOVE EXHAUST MANIFOLD STAY
Remove the 3 bolts and exhaust manifold stay.
A11226
9. REMOVE EXHAUST MANIFOLD
(a) Remove the 4 bolts and upper heat insulator.
(b) Remove the 3 bolts 2 nuts, exhaust manifold and gasket.
10. REMOVE IGNITION COIL (See page IG-5 )
11. REMOVE SPARK PLUGS
(See page IG-1 )
12. REMOVE PCV HOSES
13. REMOVE THROTTLE BODY
A11227 (See page SF-34 )
2002 ECHO (RM884U)
Author : Date : 642
EM-29
ENGINE MECHANICAL - CYLINDER HEAD
14. DISCONNECT ENGINE WIRE FROM CYLINDER HEAD
(a) Disconnect the ECT sensor connector
(b) Disconnect the camshaft position sensor connector
(c) Disconnect the oil control valve connector.
(d) Disconnect the 4 injector connectors.
(e) Disconnect the 2 ground wires
(f) Remove the 2 nuts, and disconnect the engine wire pro-
tector from the 2 brackets on the intake manifold.
A11265
15. REMOVE INTAKE MANIFOLD
(a) Disconnect the EVAP hose for ORVR
(b) Disconnect the brake booster vacuum hose
(c) Remove the 3 bolts, 2 nuts, intake manifold and gasket.
16. REMOVE CAMSHAFT POSITION SENSOR
17. REMOVE ECT SENSOR
18. REMOVE OIL CONTROL VALVE
19. REMOVE PCV VALVE
A11264 20. REMOVE OIL FILLER CAP
21. REMOVE HEAD COVER (See page EM-15 )
22. REMOVE INJECTOR (See page SF-20 )
23. REMOVE TIMING CHAIN COVER (See page EM-15 )
24. REMOVE CAMSHAFT TIMING SPROCKET AND
VALVE TIMING CONTROL ASSEMBLY
Hold the hexagonal head portion of the camshaft with a wrench,
and remove the 2 bolts and timing sprocket and valve timing
controller assembly.
NOTICE:
S Be careful not to damage the cylinder head and valve
lifter with the wrench.
S Do not disassembly the valve timing controller as-
sembly.
25. REMOVE CAMSHAFTS
Uniformly loosen and remove the 19 bearing cap bolts, in sever-
2 5 9 7
3 al passes, in the sequence shown, and remove the 9 bearing
caps, intake and exhaust camshafts.
3 26. REMOVE CYLINDER HEAD
(a) Disconnect the upper radiator hose from the water hose
3 union
1 4 8 6
(b) Disconnect the heater water hose from the water hose
A12943 union
2002 ECHO (RM884U)
Author : Date : 643
EM-30
ENGINE MECHANICAL - CYLINDER HEAD
(c) Using a 8 mm bi-hexagon wrench, uniformly loosen and
remove the 10 cylinder head bolts, in several passes, in
3 7 9 6 2 the sequence shown. Remove the 10 cylinder head bolts
and plate washers.
NOTICE:
Head warpage or cracking could result from removing
1 5 10 8 4 bolts in an incorrect order.
(d) Remove the bolt holding the water bypass pipe to the cyl-
A11228 inder head.
(e) Lift the cylinder head from the dowels on the cylinder
block and replace the cylinder head on wooden blocks on
a bench.
HINT:
If the cylinder head is difficult to lift of, pry between the cylinder
head and cylinder block with a screwdriver.
NOTICE:
Be careful not to damage the contact surfaces of the cylin-
A12944 der head and cylinder block.
2002 ECHO (RM884U)
Author : Date : 644
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