How To: Reseal a Toyota HYDRO-PUMP!

The JZS147 Aristos have a very interesting water pump... They are two stages. One that moves water and one that is similar to a power steering pump. The hydraulic side drives the cooling fan. Very odd to me but is very efficient when working properly! This pump was found on the JZA70, JZX90, and some JZZ30s.

[@djsupra89]

What gasket did you use?

[@dimartinofabsgarage8611]

I used all factory Toyota gaskets and parts. Purchased from Parts OUQ

[@Chocodeelrox2]

Where did you go to find these parts or where did you call?

[@djafri84]

I don't have any at the moment but I can get some kits in stock soon.

[@adriansanchez3790]

Could you post the part numbers and link to stuff?

[@djafri84]

90029-36006 Bearing
90029-21016 Oil Seal
90029-20029 O-Ring
90029-20037 O-Ring
90029-20038 O-Ring
90029-21017 Oil Seal
16131-46011 Water Pump Rotor
16124-46011 Water Pump Cover Gasket
16104-54030 Seal Set
16325-46010 GASKET, WATER INLET HOUSING, NO.2
96761-24040 O-ring from water pump to engine block
16268-88400 Water By-Pass Pipe
96761-24023 O-Rings for Water By-Pass Pipe
16343-88400 Gasket, water outlet

[@djafri84]

The Oil seal 90029-21016 is unfortunately discontinued.