Install

3. Remove the special tool (refer to Figure 1 - Right side shown).

Figure 1 (Right Side Shown)

4. Collect the spacer (303-530/04) if used.
5. Loosen the bolts that attach the ten intake camshaft bearing caps gradually, in steps (refer to Figure 2 - Right side shown).

Figure 2 (Right Side Shown)

6. Record the installed direction and positions and remove the five right intake bearing caps.
7. Remove the right intake camshaft (refer to Figure 3 - Right side shown).

Figure 3 (Right Side Shown)

Install

1. Apply clean engine oil to the items that follow:
   • The camshaft journals
   • The camshaft lobes
   • The bearing surfaces on the cylinder head
   • The bearing caps.
2. Install the right intake camshaft.
3. Install the five bearing caps in their initial positions.

Tighten the bearing cap bolts gradually in a diagonal sequence to correctly seat the camshaft bearing caps.

4. Install and torque the ten bolts in the sequence shown in Figure 3.

Figure 3

5. Install the M12 Torx bolt to attach the sprocket to the camshaft.
6. Rotate the camshaft as necessary and measure and record each valve clearance.
7. Do steps 4 to 6 again.
8. Calculate the necessary tappet grade for each valve.