Water Pump

COMPONENTS

Water Pump Assembly

Fan Belt Guide

Fluid

Water Pump Pulley

+ Non-reusable part

REMOVAL OF WATER PUMP

1. DRAIN COOLANT

2. LOOSEN FAN BELTS

(a) Loosen the belt adjusting bolt, and nut of the PS pump and alternator.

(b) Remove the alternator pivot nut and adjusting bar.

3. REMOVE AIR CLEANER CASE

4. DISCONNECT UPPER RADIATOR HOSE

5. REMOVE FOUR FAN SHROUD BOLTS

Toyota Tacoma Fan With Fluid Coupling

6. REMOVE FLUID COUPLING. FAN, FAN BELT GUIDE AND WATER PUMP PULLEY

(a) Remove the four nuts from the fluid coupling flange.

(b) Pull out the fluid coupling with the fan shroud.

(c) Remove the fan belt guide, water pump pulley and fan belts.

(d) Remove the fan from the fluid coupling.

Water Pump Bolts Locations Corolla

7. REMOVE WATER PUMP

Remove the eight bolts and one nut, and remove the water pump and gasket.

INSPECTION OF WATER PUMP

1. INSPECT WATER PUMP BODY AND TIMING BELT CASE

Check the water pump body and timing belt case for cracks and damaged gasket surfaces. Replace if necessary.

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2. INSPECT WATER PUMP BEARING

Check that the water pump bearing operation is not rough or noisy.

3. INSPECT FLUID COUPLING

Check the fluid coupling for damage and silicone oil leakage.

25 60

_ COOttl

_ COOttl

Alternator Supra Mk2
Bolt lengths mm 60

INSTALLATION OF WATER PUMP

1. INSTALL WATER PUMP OVER NEW GASKET

Install the water pump over a new gasket with eight bolts and one nut.

2. INSTALL FAN BELTS. FAN BELT GUIDE AND PULLEY

(a) Check the fan belts for cracks or damage.

(b) Place fan belts on the pulley, and position the pulley and fan belt guide on the bolts of the water pump.

3. INSTALL FAN ON FLUID COUPLING

4. INSTALL FLUID COUPLING AND FAN SHROUD

(a) Install the fan shroud together with the fluid coupling to the engine compartment.

(b) Install the fluid coupling on the pulley with four nuts.

(c) Install the four fan shroud bolts.

5. INSTALL ALTERNATOR ADJUSTING BAR

6. ADJUST FAN BELT TENSION (See page MA-4)

7. CONNECT UPPER RADIATOR HOSE

8. INSTALL AIR CLEANER CASE

9. FILL WITH COOLANT

10. START ENGINE AND CHECK FOR LEAKS

Coolant Drain 1kz
C00717 C00i?9

Jiggle Valve Printed Side

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