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2. Use special tooling to press-fit the
NC450 water pump shaft water seal in
place, 0.5mm lower than the end face,
and the end face mark of the water seal
faces outward when assembling the
water seal ;
3. Apply an appropriate amount of
lubricating oil to the main lip of the
water seal;
4. Press the new water pump shaft into
place with special tooling; 5. The
assembled water pump shaft should
rotate flexibly.
Inspection of clutch active friction plate
1. If there are scratches or fading marks on
the clutch friction plate, it should be replaced.
Measure the thickness of each clutch lining .
Maintenance limit: 2.85mm
2. Check whether the surface of the clutch
disc is twisted , and use a feeler gauge
( flatness ) when checking.
Service limit: 0.14 mm
3. Check the clearance between the clutch
cover and the friction plate.
Service limit: 0.6 mm
Right body oil pump
inner and outer rotor
combination
Oil pump gear combination