Camshaft: Service and Repair

Special Tools:

Removal
1. Remove the primary timing chains. Refer to: Timing Drive Components - Primary
2. Remove the secondary timing chains. Refer to: Timing Drive Components - Secondary





3. Remove the special tool.





4. CAUTION: Record the camshaft bearing cap locations. The camshaft bearing caps are positional and must be installed in their original locations and orientations or engine damage may occur.

CAUTION: Do not use any means of marking the shims other than a permanent type marker. Any scratches or paint on the shims may result in incorrect lash adjustments and severe engine damage.

CAUTION: Record the shim and bucket tappet location. The shim and bucket tappet are positional and if installed in the incorrect location, engine damage may occur.

Remove the RH camshaft bearing caps.
^ Remove the bolts.
^ Remove the RH camshaft bearing caps.





5. Remove the RH camshafts.





6. CAUTION: Record the camshaft bearing cap locations. The camshaft bearing caps are positional and must be installed in their original locations and orientations or engine damage may occur.

CAUTION: Do not use any means of marking the shims other than a permanent type marker. Any scratches or paint on the shims may result in incorrect lash adjustments and severe engine damage.

CAUTION: Record the location of the shims and bucket tappets. The bucket tappets and shims are positional and if installed in the incorrect location, engine damage may occur.

Remove the LH camshaft bearing caps.
^ Remove the bolts.
^ Remove the LH camshaft bearing caps.





7. Remove the LH camshafts.

Installation





1. Note: Apply Super Premium SAE 5W- Motor Oil XO-5W30-QSP or equivalent meeting Ford specification WSS-M2C153-G to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.

Position the LH camshafts on the camshaft journals.

Left Side:

2. CAUTION: Install the camshaft bearing caps. The camshaft bearing caps are positional and must be installed in their original locations and orientations or engine damage may occur.

Install the LH camshaft bearing caps.
^ Position the bearing caps.
^ Install the bearing cap bolts. Tighten the bolts in three stages in the sequence shown.
^ Stage 1: Hand-tighten.
^ Stage 2: Tighten to 6 Nm (53 inch lbs.).
^ Stage 3: Tighten an additional 90°.





3. Note: Apply Super Premium SAE 5W-30 Motor Oil XO-5W30-QSP or equivalent meeting Ford specification WSS-M2C153-G to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.

Install the RH camshafts.

Right Side:

4. CAUTION: Install the camshaft bearing caps. The camshaft bearing caps are positional and must be installed in their original locations and orientations or engine damage may occur.

Install the RH camshaft bearing caps.
^ Position the bearing caps.
^ Install the bolts. Tighten the bolts in three stages in the sequence shown.
^ Stage 1: Hand-tighten.
^ Stage 2: Tighten to 6 Nm (53 inch lbs.).
^ Stage 3: Tighten an additional 90°.





5. CAUTION: If any of the following components are replaced, the engine must be reshimmed or engine damage may occur: The camshafts, the valves, cylinder heads, or bucket tappets.

Using feeler gages, confirm that the tappet and shim clearances are within specification.





6. Install the special tool on the LH head.
7. Install the primary and secondary timing chains. Refer to: Service and Repair