Explorer 2WD V6-245 4.0L VIN X SFI (1999)
7. Remove the valve spring retainer.
8. Remove the valve spring.
9. Inspect the valve spring.
Installation
1. Follow the removal procedure in reverse order.
2. Install the rocker arm shaft assembly and tighten in two steps:
1
Tighten to 30-34 Nm (22-25 ft. lbs.).
2
Tighten an additional 90°.
