Discovery I (LJ) V8-3.9L (1994)
Rocker Arm Assembly: Overhaul
Rocker Shafts - Dismantling
Rocker shafts - dismantling
1. Remove and discard split pin from one end of rocker shaft.
2. Remove plain washer, wave washer, rocker arms, brackets and springs.
Inspecting components
1. Thoroughly clean components.
2. Inspect each component for wear, in particular rocker arms and shaffs. Discard weak or broken springs.
3. Inspect push rod seats in rocker arms.
4. Check push rods for straightness and inspect bal ends for damage, replace as necessary.
Rocker Shafts - Assembling
Rocker shafts - assembling
1. Assemble rocker shafts with identification groove at one o'clock position with push rod end of rocker arm to the right.
CAUTION: If rocker shafts are incorrectly assembled and fitted to engine, oil supply to rocker arms will be restricted.