PROCEDURE
REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
DISCONNECT NO. 1 WATER BY-PASS HOSE
REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY
REMOVE MANIFOLD STAY
REMOVE NO. 2 MANIFOLD STAY
REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY
REMOVE NO. 3 WATER BY-PASS PIPE
REMOVE NO. 1 WATER BY-PASS PIPE
REMOVE INTAKE MANIFOLD
REMOVE FUEL DELIVERY PIPE
SET NO. 1 CYLINDER TO TDC/COMPRESSION
Temporarily install the crankshaft pulley bolt.
| *a | Approximately 7° | *b | Approximately 32° |
| *c | Timing Mark | *d | Crankshaft Pulley Key |
Tech Tips
"A" is not a timing mark.
Rotate the crankshaft clockwise so that the timing marks on the crankshaft timing sprocket, camshaft timing gear assembly and camshaft timing sprocket are as shown in the illustration.
Tech Tips
If the timing marks do not align, turn the crankshaft 1 revolution (360°) to align the timing marks as shown in the illustration.
Remove the crankshaft pulley bolt.
REMOVE TIMING CHAIN GUIDE
Remove the bolt and timing chain guide.
REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
| *1 | Stopper Plate |
| *2 | Plunger |
Allow the plunger to extend slightly, and then rotate the stopper plate counterclockwise to release the lock. Once the lock is released, push the plunger into the No. 1 chain tensioner assembly.
| *1 | Pin |
Move the stopper plate clockwise to set the lock, and insert a pin into the stopper plate hole.
Remove the 2 bolts, No. 1 chain tensioner assembly and gasket.
REMOVE CHAIN TENSIONER SLIPPER
Remove the bolt and chain tensioner slipper.
REMOVE CHAIN SUB-ASSEMBLY
REMOVE NO. 1 CHAIN VIBRATION DAMPER
Remove the 2 bolts and No. 1 chain vibration damper.
REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
| *a | Hold |
| *b | Turn |
Hold the hexagonal portion of the camshaft with a wrench and remove the bolt and camshaft timing gear assembly.
Note
Be careful not to damage the cylinder head sub-assembly or spark plug tube with the wrench.
Do not disassemble the camshaft timing gear assembly.
REMOVE CAMSHAFT TIMING SPROCKET
| *a | Hold |
| *b | Turn |
Hold the hexagonal portion of the No. 2 camshaft with a wrench and remove the bolt and camshaft timing sprocket.
Note
Be careful not to damage the cylinder head sub-assembly or spark plug tube with the wrench.
REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
Uniformly loosen and remove the 20 bolts in the sequence shown in the illustration.
Remove the camshaft housing sub-assembly by prying between the cylinder head sub-assembly and camshaft housing sub-assembly with a screwdriver.
Note
Be careful not to damage the contact surfaces of the cylinder head sub-assembly and camshaft housing sub-assembly.
Tech Tips
Tape the screwdriver tip before use.
REMOVE CAMSHAFT BEARING CAP
Remove the 11 bolts in the sequence shown in the illustration.
Remove the No. 1 camshaft bearing cap, No. 2 camshaft bearing cap and 3 No. 3 camshaft bearing caps.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE OIL CONTROL VALVE FILTER
REMOVE NO. 1 CAMSHAFT BEARING
REMOVE CAMSHAFT
Remove the camshaft and No. 2 camshaft.
REMOVE NO. 2 CAMSHAFT BEARING
REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Remove the 16 No. 1 valve rocker arm sub-assemblies from the cylinder head sub-assembly.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE VALVE LASH ADJUSTER ASSEMBLY
Remove the 16 valve lash adjuster assemblies from the cylinder head sub-assembly.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE VALVE STEM CAP
Remove the 16 valve stem caps from the cylinder head sub-assembly.
Tech Tips
Arrange the removed parts in the correct order.
REMOVE CYLINDER HEAD SUB-ASSEMBLY
Using a 10 mm bi-hexagon wrench, uniformly loosen the 10 cylinder head bolts in the sequence shown in the illustration. Remove the 10 cylinder head bolts and 10 plate washers.
Tech Tips
Be sure to keep the removed parts separate for each installation position.
Note
Be careful not to drop plate washers into the cylinder head sub-assembly.
Head warpage or cracking could result from removing cylinder head bolts in the incorrect order.
Remove the cylinder head sub-assembly.
REMOVE CYLINDER HEAD GASKET
Remove the cylinder head gasket from the cylinder block sub-assembly.