Lost Motion Assemblies Inspection

Inspection


NOTE: When reassembling the primary rocker arm, carefully apply air pressure to the oil passage of the rocker arm.





1. Inspect the rocker arm piston. Push it manually.
- If it does not move smoothly, replace the rocker arm assembly.

NOTE:
- Apply oil to the pistons when reassembling.
- Bundle the rocker arms with a rubber band to prevent them from separating.

D16Y5 engine:





NOTE: Set the timing plate and return spring as shown below.

D16Y8 engine:





2. Remove the lost motion assembly from the holder and inspect it. Test it by pushing the plunger with your finger.
- If the lost motion assembly plunger does not move smoothly, replace it.