Rear

CAMSHAFT REPLACEMENT-REAR
(IN-VEHICLE)

- TOOLS REQUIRED
- J35268A Camshaft/Front Main Seal Installer
- J42069 Timing Belt Alignment Kit

REMOVAL





1. Disconnect negative battery cable.
2. Remove intake plenum.
3. Remove air cleaner assembly.





4. Remove rear camshaft cover.
5. Remove timing belt cover.
6. Remove timing belt.

IMPORTANT: As a precaution, rotate the crankshaft counterclockwise to 60 degrees BTDC position to prevent valve/piston contact.

7. Insert J42069-1 Camshaft Locking Tool into camshaft gears to hold gear in place while loosening camshaft gear bolt.





8. Remove J42069-1 Camshaft Locking Tool.
9. Remove camshaft gear bolt.
10. Remove camshaft gear.

IMPORTANT:
^ The intake camshaft is marked with the letter "A" and the exhaust camshaft is marked with the letter "E."
^ Ensure that camshaft is not under load from lifter(s) and that camshaft comes out of bearing seats evenly.





11. Loosen camshaft bearing cap bolts sequentially starting from center and moving outwards in a spiral direction in stages of 1/2 to 1 turn.
12. Remove camshaft bearing cap bolts.
13. Remove camshaft bearing caps. Note the code marks on the bearing caps.

IMPORTANT: The bearing caps for the rear side (CYL 1, 3, 5) cylinder head are marked with an "L" followed by a number.

14. Remove camshaft with seal attached.
15. Remove camshaft seal.
16. Clean all bearing surfaces.
17. Clean all sealing surfaces

INSTALLATION





1. Lubricate camshaft bearing surfaces with clean engine oil.
2. Install camshaft to cylinder head.

IMPORTANT: Ensure pin on exhaust camshaft is approximately in the 1 o'clock position and/or that the pin on intake camshaft is approximately in the 11 o'clock position to allow for minimal load on camshaft when installing bearing caps.





3. Apply a small amount of Loctite 518 (or equivalent) on forward edge of front bearing caps to ensure an adequate seal between bearing cap and cylinder head.





4. The bearing caps for rear (CYL 1, 3, 5) cylinder head are marked L1-L8 (Cylinder 1, 3, 5).





5. Install camshaft bearing caps in their appropriate position.





6. Install camshaft bearing cap bolts.

IMPORTANT: DO NOT allow the sealer to get into the oil journal of cap.

Torque:
Camshaft Bearing Cap Bolt: 8 Nm (71 inch lbs.)





7. Coat lip of seal with a small amount of clean engine oil to aid in installation.
8. Use Camshaft/Front Main Seal Installer J35268A to tap camshaft seal into place.
9. Ensure that camshaft seal is fully and evenly seated.





10. Install camshaft gear bolt. Use Timing Belt Alignment Kit J42069-1 and J42069-2 camshaft gear locks to lock camshaft gears while torquing.

IMPORTANT: Use a new camshaft gear bolt. The required tightening method will stretch the bolt, to its yield point. Therefore, the bolt is not reusable.

Torque:
Camshaft Gear Bolt: 50 Nm (37 ft. lbs.)+ 60 degrees + 15 degrees

11. Install timing belt.
12. Adjust timing belt.
13. Install timing belt cover.
14. Install rear camshaft cover.
15. Install intake plenum.
16. Install air cleaner assembly.
17. Connect negative battery cable.