Installation
TIMING CHAIN:
COMPONENT KEY FOR TIMING CHAIN:
CAUTION: Apply new engine oil to parts marked in illustration before installation.
INSTALLATION
NOTE: The figure shows the relationship between the mating mark on each timing chain and that on the corresponding sprocket, with the components installed.
Parts with an identification mark (R or L) should be installed on the corresponding bank according to the mark.
TIMING CHAIN ALIGNMENT MARKS:
Parts with an identification mark:
- Intake camshaft sprocket
- Knock pin groove of exhaust camshaft sprocket (camshaft sprocket is same part both banks)
- Chain tension guide
- Chain slack guide
Because of parallel manufacture, there are two types of mark (link colors) for timing chain.
To install timing chain and associated parts, start with those on right bank.
The procedure for installing parts on left bank is omitted because it is the same as that for installation on right bank.
1. Check that the crankshaft key and knock pin of each camshaft are facing in the direction indicated.
2. Install camshaft sprockets.
Install onto correct side by checking with identification mark on surface
Install exhaust-side camshaft sprocket by selectively using the groove of knock pin according to the bank. (Common part used for both banks.)
Lock the hexagonal part of camshaft in the same way as for removal, and tighten fixing bolts.
3. Install crankshaft sprockets for both banks.
Install each crankshaft sprocket so that its flange side (the larger diameter side without teeth) faces in the direction shown in figure.
NOTE: The same parts are used but facing directions are different.
4. Install timing chains and associated parts.
Align the mating mark on each sprocket and the timing chain for installation.
NOTE: Before installing chain tensioner, it is possible to change the position of mating mark on timing chain for that on each sprocket for alignment.
CAUTION: For the above reason, after the mating marks are aligned, keep them aligned by holding them with a hand.
Install slack guides and tension guides onto correct side by checking with identification mark on surface.
Install chain tensioner with plunger fixed as described in its removal.
CAUTION: Before and after the installation of chain tensioner, make sure that the mating mark on timing chain is not out of alignment.
After installing chain tensioner, remove the stopper pin to release tensioner. Check that tensioner is released.
To avoid chain-link skipping of timing chain, never move crankshaft or camshafts until front cover is installed.
5. The same way as for right bank, install timing chain and associated parts on left side.
6. Install oil pump.
7. Install oil pump drive spacer as follows:
a. Insert oil pump drive spacer according to the directions of crankshaft key and the two flat surfaces of oil pump inner rotor.
If the positional relationship does not allow the insertion, rotate oil pump inner rotor with a finger to allow the spacer.
b. After confirming that the position of each part is in correct condition to allow for the spacer, force fit the spacer by lightly tapping with a plastic hammer until it contacts and does not go further.
8. Install front oil seal onto front cover.
Using oil seal drift or drift with 54 mm (2.13 inch) diameter, force fit the seal until it levels with the front end surface of front cover.
Install new oil seal in the direction shown in the figure.
CAUTION: Be careful not to scratch or make burrs on circumference of oil seal.
9. Install tensioner cover onto front cover.
Apply liquid gasket as shown in the figure.
Use Genuine Ultra Grey RTV Silicone Sealant Part No. 999MP-AM003P or equivalent.
10. Install front cover as follows:
a. Install O-rings onto RH and LH cylinder heads and cylinder block.
b. Apply liquid gasket as shown in the figure.
Use Genuine Ultra Grey RTV Silicone Sealant Part No. 999MP-AM003P or equivalent.
c. Check again that the timing mating mark on timing chain and that on each sprocket are aligned. Then, install front cover.
CAUTION: Be careful to avoid interference with the front end of oil pump drive spacer. Such interference may damage front oil seal.
Timing Chain Front Cover / Fixing Bolts Sequence:
d. Tighten fixing bolts in the order shown in figure.
Timing Chain Front Cover / Fixing Bolts Torque:
e. After tightening, re-tighten to the specified torque.
CAUTION: Be sure to wipe off any excessive liquid gasket leaking onto surface mating with oil pan.
11. Install intake valve timing control cover as follows:
a. At the back of intake valve timing control cover, install seal rings (three for each) to the area to be inserted into intake camshaft sprocket.
CAUTION: Do not spread seal ring excessively to avoid breaks and deformation.
b. On the side of front cover, install O-ring (one for each bank).
c. Apply liquid gasket as shown in the figure.
Use Genuine Ultra Grey RTV Silicone Sealant Part No. 999MP-AM003P or equivalent.
d. Tighten fixing bolts in the order shown in figure.
12. Install intake valve timing control position sensor, intake valve timing control solenoid valve, camshaft position sensor (PHASE) to intake valve timing control cover and front cover.
Be sure to tighten bolts with flanges completely seated.
13. Install crankshaft pulley.
Install according to the dowel pin of oil pump drive spacer.
Lightly tapping its center with plastic hammer, insert pulley.
CAUTION: Do not tap pulley on the side surface where belt is installed (outer circumference).
14. Tighten fixing bolts of crankshaft pulley.
Lock crankshaft with a hammer handle or similar tool to tighten fixing bolts.
Perform the following steps for angular tightening:
a. Apply engine oil onto threaded parts of bolts and seating areas.
b. Tighten bolt 88.2 to 98.0 Nm (9.0 to 9.9 kg-m, 65 to 72 ft. lbs.).
c. Select one most visible notch of the four on bolt flange. Corresponding to the selected notch, put a mating mark (such as paint) on crankshaft pulley.
d. Tighten further by 90° to 96° [target: 90°].
Check the tightening angle by referencing to the notches. The angle between two notches is 90°.
15. Rotate crankshaft pulley in normal direction (clockwise when viewed from FRONT) to check for interference among parts.