Install

3. Remove the special tool (refer to 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).

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 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.

1. Install and torque the ten bolts in the sequence specified as shown in Figure 4.



5. Install the 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.