Part 2

2GR-FE ENGINE MECHANICAL: ENGINE UNIT: DISASSEMBLY - (Continued)

31. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY

(a) Remove the bolt and chain tensioner.

32. REMOVE CAMSHAFT (for Bank 1)

(a) Remove the 3 gaskets.

(b) Make sure that the knock pin of the camshaft is positioned as shown in the illustration.

(d) Uniformly loosen and remove the 12 bearing cap bolts in the sequence shown in the illustration.

NOTICE:
Uniformly loosen the bolts while keeping the camshaft level.

(e) Remove the 5 bearing caps.

(f) Remove the No. 1 and No. 2 camshafts.

33. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY (for Bank 1)

(a) Remove the camshaft housing by prying between the cylinder head and camshaft housing with a screwdriver.

NOTICE:
Be careful not to damage the contact surfaces of the cylinder head and camshaft housing.

HINT
Tape the screwdriver tip before use.

34. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 2)

(a) While pushing down the No. 3 chain tensioner, insert a pin of dia1.0 mm (0.039 in.) into the hole to fix the No. 3 chain tensioner.

(b) Using SST to hold the hexagonal portion of each camshaft, loosen the bolts of the camshaft timing gear and the camshaft timing exhaust gear.

SST : 09922-10010

NOTICE:
Do not loosen the other 4 bolts. If any of the 4 bolts is loosened, replace the camshaft timing gear and/or the camshaft timing exhaust gear with a new one.

(c) Remove the 2 bolts and the camshaft timing gear together with the No. 2 chain.

35. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY

(a) Remove the bolt and chain tensioner.

36. REMOVE CAMSHAFT SUB-ASSEMBLY (for Bank 2)

(a) Remove the 3 gaskets.

(b) Make sure that the knock pin of the camshaft is positioned as shown in the illustration.

(d) Uniformly loosen and remove the 13 bearing cap bolts in the sequence shown in the illustration.

NOTICE:
Uniformly loosen the bolts while keeping the camshaft level.

(e) Remove the 5 bearing caps.

(f) Remove the No. 3 and No. 4 camshafts.

37. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY (for Bank 2)

(a) Remove the camshaft housing by prying between the cylinder head and camshaft housing with a screwdriver.

NOTICE:
Be careful not to damage the contact surfaces of the cylinder head and camshaft housing.

HINT
Tape the screwdriver tip before use.

38. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

(a) Remove the 24 valve rocker arms.

HINT
Arrange the removed parts in the correct order.

39. REMOVE VALVE LASH ADJUSTER ASSEMBLY

(a) Remove the 24 valve lash adjusters from the cylinder head.

HINT
Arrange the removed parts in the correct order.

40. REMOVE CYLINDER HEAD SUB-ASSEMBLY (for Bank 1)

(a) Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

NOTICE:
* Be careful not to drop washers into the cylinder head.
* Head warpage or cracking could result from removing bolts in an incorrect order.
HINT
Be sure to keep the removed parts separate for each installation position.

(b) Remove the cylinder head and gasket.

41. REMOVE CYLINDER HEAD SUB-ASSEMBLY (for Bank 2)

(a) Uniformly loosen and remove the 2 bolts in the sequence shown in the illustration.

(b) Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

NOTICE:
* Be careful not to drop washers into the cylinder head.
* Head warpage or cracking could result from removing bolts in an incorrect order.
HINT
Be sure to keep the removed parts separate for each installation position.

(c) Remove the cylinder head and gasket.

42. REMOVE WATER INLET PIPE

(a) Disconnect the knock sensor wire.

(b) Remove the 2 bolts and water outlet pipe.

(c) Disconnect the water by-pass hose.

43. REMOVE VALVE STEM CAP

(a) Remove the valve stem caps from the cylinder head.

HINT
Arrange the removed parts in the correct order.

44. REMOVE INTAKE VALVE

(a) Using SST and wooden blocks, compress the compression spring and remove the valve retainer lock.

SST : 09202-70020

09202-00010

(b) Remove the retainer, compression spring and valve.

HINT
Arrange the removed parts in the correct order.

45. REMOVE EXHAUST VALVE

(a) Using SST and wooden blocks, compress the compression spring and remove the valve retainer lock.

SST : 09202-70020

09202-00010

(b) Remove the retainer, compression spring and valve.

HINT
Arrange the removed parts in the correct order.

46. REMOVE VALVE STEM OIL SEAL

(a) Using needle-nose pliers, remove the oil seals.

47. REMOVE VALVE SPRING SEAT

(a) Using compressed air and a magnetic pick-up tool, remove the valve spring seat by blowing air onto it.

48. REMOVE NO. 1 STRAIGHT SCREW PLUG

NOTICE:
If water leaks from the No. 1 straight screw plug or the plug is corroded, replace it.

(a) Using a 10 mm hexagon wrench, remove the 4 screw plugs and 4 gaskets.

49. REMOVE NO. 2 STRAIGHT SCREW PLUG

(a) Using a 14 mm hexagon wrench, remove the 2 screw plugs and 2 gaskets.

NOTICE:
If water leaks from the No. 2 straight screw plug or the plug is corroded, replace it.

50. REMOVE CRANKSHAFT POSITION SENSOR

(a) Remove the bolt and crankshaft position sensor.