Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
The water pump for Type 2 Engines and 7BJ
Engines is not serviceable. Contact your
Clean the inside of the pump body. Ensure that the
bearing bore and the counterbore for the water seal are
Apply 4C-9507 Retaining Compound to the outer
surface of the bearing. Keep the compound away from
the ends of the bearing.
Support the gear end of the water pump body.
Place the bearing and shaft (6) square in the pump
body. Ensure that the shortest end of shaft (6) is in
Use a suitable press and a suitable adapter that will
apply force to the bearing. The adapter should not
apply force to the shaft. Press the bearing onto the
shaft until the end of the bearing is level with the bottom
of the counterbore for the water seal.
Remove the excess compound from the end of
Install seal (7).
Ensure that the water seal is not contaminated by oil or
grease. Hold the seal only by the edge of the flange. Do
not damage the ring of green sealant that is applied to the
body of the water seal behind the flange.
Hold water seal (5) by the edge of the flange. Push the
seal onto shaft (6) until the seal is against the chamfer
of the counterbore. Only apply force to the outer flange
of the seal.
Ensure that the wide end of the seal is toward the
bearing and that the seal is square with the
Continue to apply force and hold water seal (5) for ten
seconds. This ensures that the water seal will remain in
Hold the water pump with the gear end of the shaft on a
suitable support. Use a flat bar in order to press
impeller (8) onto shaft (6) to a depth of 8.30 ± 0.20 mm
(.320 ± .010 inch). After installation, ensure that the
impeller will turn freely.
Apply 4C-9507 Retaining Compound to impeller
(8) if the original impeller is used. Remove excess
compound after assembly.