Manual Inspection Method

1. Remove the rear engine compartment cover.
2. Remove the wire harness clamps from the strut brace, then remove the strut brace.
3. Remove the evaporative emission (EVAP) control canister hose, breather hose and vacuum hose, then remove the intake air duct.
4. Remove the throttle body cover.
5. Remove the throttle cable and cruise control cable by loosening the locknuts, then slip the cable ends out of the throttle linkage.
6. Remove the brake booster vacuum hose, vacuum hoses and positive crankcase ventilation (PCV) hose.
7. Remove the vacuum hose, breather hose and water bypass hoses.
8. Remove the intake manifold.
9. Remove the cylinder head covers.
10. Remove the front upper cover.
11. Set the No. 1 piston at TDC.
12. Push the intake mid rocker arm on the No. 1 cylinder manually.
13. Check that the intake mid rocker arm moves independently of the primary and secondary intake rocker arms.
14. Check the intake mid rocker arm of each cylinder at TDC.
- If the intake mid rocker arm does not move, remove the mid, primary and secondary intake rocker arms as an assembly, and check that the pistons in the mid and primary rocker arms move smoothly.
- If any rocker arm needs replacing, replace the primary, mid and secondary rocker arms as an assembly.