PROCEDURE
INSTALL ENGINE TO ENGINE STAND
REMOVE ENGINE HANGERS
REMOVE IGNITION COIL ASSEMBLY
REMOVE INTAKE MANIFOLD
REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst)
REMOVE NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE
REMOVE NO. 2 MANIFOLD STAY
REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: Front Catalyst)
REMOVE ENGINE MOUNTING BRACKET RH
REMOVE GENERATOR ASSEMBLY
REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
REMOVE NO. 2 TIMING GEAR COVER
REMOVE WATER PUMP PULLEY
REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
REMOVE NO. 1 VACUUM SWITCHING VALVE
REMOVE CRANKSHAFT POSITION SENSOR
REMOVE NO. 1 OIL PIPE
REMOVE OIL PIPE
REMOVE CRANKSHAFT PULLEY
REMOVE OIL COOLER ASSEMBLY
REMOVE NO. 1 OIL COOLER BRACKET
REMOVE NO. 1 FRONT ENGINE MOUNTING BRACKET LH
REMOVE WATER INLET HOUSING
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH
REMOVE NO. 2 OIL PAN SUB-ASSEMBLY
REMOVE OIL STRAINER SUB-ASSEMBLY
REMOVE OIL PAN SUB-ASSEMBLY
| *A | Type A |
| *B | Type B |
|
Bolt |
|
Nut |
Remove the 16 bolts and 2 nuts.
Tech Tips
Be sure to clean the bolts and stud bolts and check the threads for cracks or other damage.
| *a | Protective Tape |
Remove the oil pan sub-assembly by prying between the oil pan sub-assembly and cylinder block sub-assembly with a screwdriver.
Note
Be careful not to damage the contact surfaces of the cylinder block sub-assembly and oil pan sub-assembly.
Tech Tips
Tape the screwdriver tip before use.
Remove the 2 O-rings.
REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
REMOVE TIMING CHAIN CASE OIL SEAL
SET NO. 1 CYLINDER TO TDC/COMPRESSION
REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
REMOVE CHAIN TENSIONER SLIPPER
REMOVE CHAIN SUB-ASSEMBLY
REMOVE IDLE SPROCKET ASSEMBLY
REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1)
| *a | Pin |
| *b | Plunger |
| *c | Push |
While raising the No. 2 chain tensioner assembly, insert a 1.0 mm (0.0394 in.) diameter pin into the hole to secure the No. 2 chain tensioner assembly.
| *a | Turn |
| *b | Hold |
Using SST to hold the hexagonal portion of each camshaft, loosen the bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly.
Note
Be careful not to damage the cylinder head sub-assembly RH with SST.
Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.
Remove the 2 bolts, camshaft timing gear assembly and camshaft timing exhaust gear assembly together with the No. 2 chain sub-assembly.
REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY
Remove the bolt and No. 2 chain tensioner assembly.
REMOVE CAMSHAFT BEARING CAP (for Bank 1)
| *a | Knock Pin |
| *b | Front View |
Check that the camshaft and No. 2 camshaft are positioned as shown in the illustration.
Uniformly loosen and remove the 8 bolts in several steps in the order shown in the illustration.
Uniformly loosen and remove the 12 bolts in several steps in the order shown in the illustration.
Note
Uniformly loosen the bolts while keeping the camshaft and No. 2 camshaft level.
Remove the 5 camshaft bearing caps.
REMOVE CAMSHAFT
Remove the camshaft.
REMOVE NO. 2 CAMSHAFT
Remove the No. 2 camshaft.
REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH
| *a | Protective Tape |
Remove the camshaft housing sub-assembly RH by prying between the cylinder head sub-assembly RH and camshaft housing sub-assembly RH with a screwdriver.
Note
Be careful not to damage the contact surfaces of the cylinder head sub-assembly RH and camshaft housing sub-assembly RH.
Tech Tips
Tape the screwdriver tip before use.
REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2)
| *a | Pin |
| *b | Plunger |
| *c | Push |
While pushing down the No. 3 chain tensioner assembly, insert a 1.0 mm (0.0394 in.) diameter pin into the hole to secure the No. 3 chain tensioner assembly.
| *a | Turn |
| *b | Hold |
Using SST to hold the hexagonal portion of each camshaft, loosen the bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly.
Note
Be careful not to damage the cylinder head sub-assembly LH with SST.
Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.
Remove the 2 bolts, camshaft timing gear assembly and camshaft timing exhaust gear assembly together with the No. 2 chain sub-assembly.
REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY
Remove the bolt and No. 3 chain tensioner assembly.
REMOVE CAMSHAFT BEARING CAP (for Bank 2)
| *a | Knock Pin |
| *b | Front View |
Check that the No. 3 camshaft and No. 4 camshaft are positioned as shown in the illustration.
Uniformly loosen and remove the 8 bolts in several steps in the order shown in the illustration.
Uniformly loosen and remove the 13 bolts in several steps in the order shown in the illustration.
Note
Uniformly loosen the bolts while keeping the No. 3 camshaft and No. 4 camshaft level.
Remove the 5 camshaft bearing caps.
REMOVE NO. 3 CAMSHAFT
Remove the No. 3 camshaft.
REMOVE NO. 4 CAMSHAFT
Remove the No. 4 camshaft.
REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH
| *a | Protective Tape |
Remove the camshaft housing sub-assembly LH by prying between the cylinder head sub-assembly LH and camshaft housing sub-assembly LH with a screwdriver.
Note
Be careful not to damage the contact surfaces of the cylinder head sub-assembly LH and camshaft housing sub-assembly LH.
Tech Tips
Tape the screwdriver tip before use.