Part 1
PARTIAL ENGINE ASSY (1NZ-FXE)
OVERHAUL
1. REMOVE SPARK PLUG
a. Using a spark plug wrench, remove the 4 spark plugs.
2. REMOVE OIL FILLER CAP SUB-ASSY
a. Remove the oil filler cap from the cylinder head cover.
3. REMOVE OIL FILLER CAP GASKET
a. Using a screwdriver with its tip wrapped in tape, remove the oil filler cap gasket.
4. REMOVE CAM POSITION SENSOR
a. Remove the bolt and camshaft position sensor.
5. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSY
a. Remove the bolt and camshaft timing oil control valve assembly.
6. REMOVE OIL FILTER SUB-ASSY
a. Using SST, remove the oil filter.
SST 09228-06501
7. REMOVE THERMOSTAT
a. Remove the 2 nuts and water inlet.
b. Remove the thermostat.
c. Remove the water inlet housing gasket No. 1 from the thermostat.
8. REMOVE CRANK POSITION SENSOR
a. Remove the bolt and crank position sensor.
9. REMOVE WATER PUMP PULLEY
a. Using SST, hold the water pump pulley.
SST 09960-10010 (09962-01000, 09963-01000)
b. Remove the 3 bolts and water pump pulley.
10. REMOVE WATER PUMP ASSY
a. Remove the 3 bolts and 2 nuts, then remove the water pump assembly.
b. Remove the water pump gasket.
11. REMOVE TRANSVERSE ENGINE ENGINE MOUNTING BRACKET
a. Remove the 4 bolts and transverse engine engine mounting bracket.
12. REMOVE VENTILATION VALVE SUB-ASSY
a. Remove the ventilation valve from the cylinder head cover.
13. REMOVE CYLINDER HEAD COVER SUB-ASSY
a. Remove the 9 bolts and 2 nuts, then remove the cylinder head cover.
b. Remove the cylinder head cover gasket from the cylinder head cover.
14. REMOVE CRANKSHAFT DAMPER SUB-ASSY
a. Set the No. 1 cylinder to the TDC/compression.
1. Turn the crankshaft damper clockwise, then align its timing mark notch with the timing mark "0".
2. Check that the timing marks of the camshaft timing gear are located as illustrated.
HINT: If not, turn the crankshaft to align the marks.
b. Using SST, hold the crankshaft damper and loosen the crankshaft bolt.
SST 09213-58013 (91111-50845), 09330-00021
NOTICE: When installing SST, be careful that the bolt which holds SST does not interfere with the chain cover.
c. Loosen the crankshaft bolt until the 2 to 3 threads of the bolt is tightened to the crankshaft.
d. Using SST, remove the crankshaft damper and crankshaft bolt.
SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021)
e. Remove the crankshaft straight pin.
15. REMOVE OIL PUMP ASSY
a. Remove the 15 bolts and nut.
b. Using a screwdriver with its tip wrapped in tape, remove the oil pump assembly by prying out between the cylinder head and cylinder block.
NOTICE: Be careful not to damage the contact surfaces of the oil pump assembly, cylinder head and cylinder block.
c. Remove the 2 O-rings from the cylinder block and oil pan.
d. Using an 8 mm socket hexagon wrench, remove the service hole screw plug.
16. REMOVE OIL PUMP SEAL
a. Using a screwdriver with its tip wrapped in tape, remove the oil seal.
17. REMOVE CHAIN TENSIONER ASSY NO.1
NOTICE: Do not rotate the crankshaft with the chain tensioner removed.
a. Lift up the stopper plate, then unlock the plunger.
b. Push in the plunger to the end with the plunger unlocked.
c. Lift down the stopper plate with the plunger pushed to the end, then lock the plunger.
d. Insert a 3.0 mm (0.118 inch) diameter bar into the hole of the stopper plate with the plunger locked.
HINT: If the stopper plate is not completely lifted down and a 3.0 mm (0.118 inch) diameter bar cannot be inserted, unlock and pull out the plunger slightly. The stopper plate will be completely lifted down and a 3.0 mm (0.118 inch) diameter bar can be inserted easily.
e. Remove the 2 bolts and chain tensioner No. 1.
18. REMOVE CHAIN TENSIONER SLIPPER
a. Remove the chain tensioner slipper from cylinder block.
19. REMOVE CHAIN VIBRATION DAMPER NO.1
a. Remove the 2 bolts and chain vibration damper No. 1.
20. REMOVE CHAIN SUB-ASSY
a. Remove the chain.