Camshaft: Service and Repair

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Removal
1. Disconnect battery ground cable.
2. Remove cylinder head cover.





3. Remove timing belt tensioner and remove timing belt.





4. Use adjustable wrench to hexagonal portion of camshaft, and remove fixing bolt for camshaft pulley from front end of camshaft.
5. Remove camshaft drive pulley from intake and exhaust camshaft.





6. Remove twenty fixing bolts from intake and exhaust camshaft bracket on the cylinder head, then remove camshafts.

Caution:
- Do not damage camshaft lobe and journal.
- Do not damage Hydraulic Lash Adjuster (HLA) and do not allow into foreign materials into cylinder head.

7. Remove oil seal from camshaft.

Installation
1. Clean surface of camshaft bracket and HLA.
2. Apply engine oil to journal surface of camshaft bracket and HLA.
3. Install camshaft to cylinder head.





4. Install camshaft bracket according to numerical as shown in the illustration.
The bracket number is:
- Exhaust: 1 to 5 from front
- Intake: 6 to 10 from front.





Camshaft oil seal installation area on the cylinder head of No. 1, No. 6 and camshaft bracket rear side plug portion must be applied HN1023 or equivalent as in the illustration.





5. Tighten camshaft bracket bolts to the specified torque by sequence in the illustration.
Torque: 8 Nm (5.9 ft. lbs.)

NOTE: Camshaft bearing brackets can be identified by number 1 through 10.





Camshaft can be identified by stamping.
M: Exhaust camshaft
K: Intake camshaft





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6. Use J-42609 for installation camshaft oil seal.





7. Install the camshaft drive pulley. Align the timing mark between notch on the camshaft drive pulley (1) and lug on the camshaft





Also align a guide hole on the camshaft drive pulley marked "IN" for intake and "EX" for exhaust to guide pin on the camshaft when installing the camshaft drive pulley.





Optional pulley: Must be used on intake camshaft only.





8. Tighten camshaft drive pulley fixing bolt to the specified torque.
New bolts must be used.
Torque: 50 Nm (37 ft. lbs.) + 60°
9. Install timing belt.
10. Install cylinder head cover.
11. Connect battery ground cable.