Install

3. Remove the two bolts that attach the secondary timing chain tensioner to the cylinder head (refer to Figure 2).

Figure 2

4. Release and remove the camshaft sprockets complete with the timing chain and tensioner from the camshafts (refer to Figure 3).

Figure 3

5. Remove the secondary timing chain and tensioner from the sprockets (refer to Figure 4).

Figure 4

Install

1. Clean the camshaft sprockets and tensioner.
2. Install the secondary timing chain and tensioner to the camshaft sprockets.

3. Install the secondary timing chain assembly onto the camshafts.

1. Install the spacer onto the M12 exhaust Torx bolt.
2. Install the exhaust M12 Torx bolt to attach the exhaust camshaft sprocket. Do not tighten at this step.
3. Install the inlet M12 Torx bolt to attach the inlet camshaft sprocket. Do not tighten at this step.
4. Install and torque tighten the two secondary tensioner bolts.
5. Install the left-side primary timing chain guide.
6. Install and torque the bolt that attaches the chain guide.
7. Make sure that the timing chain slack is on the tensioner side of the timing chain.
8. Install the primary timing chain.
9. Install the tensioner blade for the primary timing chain.
10. Install and torque the bolt that attaches the tensioner blade.
11. Install the primary timing chain tensioner assembly.
12. Install and torque the two bolts that attach the primary chain tensioner.
13. Release the tension on the timing chain tensioner piston. Remove the retaining special tool.
14. Install the timing chain tensioning tool (303-532) on the exhaust camshaft sprocket.
15. Apply a force to the special tool (303-532) in a counterclockwise direction and torque the sprocket Torx bolts. Remove the special tool.
16. Install the the left and right primary timing chain (refer to Workshop Manual procedure 03.09.BM/03.09.BN/ 03.09.CM/03.09.CN Timing Chain - Primary - LH/RH - Renew With Engine Removed).

RH/LH Intake Camshaft Renew With Engine Removed

Remove

WARNING
DO NOT GET USED ENGINE OIL ON YOUR SKIN.
USED ENGINE OIL CAN BE HARMFUL.

1. Remove the left and right secondary timing chain tensioner (refer to Workshop Manual procedure 03.09.BS/03.09.BR Tensioner Assembly - Secondary - RH/LH - Renew With Engine Removed).
2. Remove the three bolts that attach the tool (303-530) to the cylinder head.