- With the aid of the special tool, loosen the impel-
ler shaft turning the spanner clockwise (left-hand-
ed thread)
- As the thread is fully disengaged, extract the
shaft with the aid of pliers.
Specific tooling
020169Y Tool for removing and installing water
pump shaft
- Using the special hook, remove the sealing ring from its housing as shown in the picture.
Specific tooling
020209Y Hook for springs
- Ensure the shaft is not abnormally worn and the
bearings not noisy. Otherwise, replace shaft and
bearings
- Carefully clean oil seal and bearing housings
- Use a new oil seal to refit
- Position the new oil seal on the special tool with
the main lip facing the bearings as shown in the
picture
- Lubricate the oil seal and push it home using the
special tool as shown in the picture
Specific tooling
020168Y Punch for mounting the water seal
ring on the semi-carter
NRG 50 Cooling system
COOL SYS - 221