Water pump replacement instructions needed

1991 TOYOTA LANDCRUISER
35,000 MILES • 4.2L • 6 CYL • 4WD • MANUAL
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STEVE ATHERTON
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  • 4 POSTS
Need to change water pump.
Oct 12, 2018 at 12:52 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good afternoon.

Procedure below with pictures for your repair.

Roy

REMOVAL OF WATER PUMP
1. DRAIN ENGINE COOLANT


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2. REMOVE PS DRIVE BELT
Loosen the PS mount, idler pulley and adjusting bolts, and remove the drive belt.
3. DISCONNECT COOLANT RESERVOIR HOSE
4. DISCONNECT RADIATOR INLET HOSE
5. REMOVE FAN SHROUD BOLTS


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6. REMOVE ALTERNATOR DRIVE BELT, FAN, FLUID COUPLING AND WATER PUMP PULLEY
(a) Remove the four nuts holding the fluid coupling to the pulley seat.
(b) Loosen the alternator adjusting lock bolt, adjusting bolt, pivot bolt and nut, and remove the drive belt.
(c) Pull out the fan and fluid coupling with the fan shroud.
(d) Remove the fan from the fluid coupling.
7. REMOVE ALTERNATOR
8. REMOVE A/C DRIVE BELT
9. DISCONNECT HOSES FROM WATER PUMP
(a) Water inlet hose
(b) Water by-pass hose
(c) Heater water hose
(d) Oil cooler water hoses


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10. REMOVE WATER PUMP, PS IDLER PULLEY WITH BRACKET ASSEMBLY AND ALTERNATOR STAY BRACKET
(a) Remove the bolt, two nuts and PS idler pulley with bracket assembly.
(b) Remove the bolt, nut, alternator stay bracket, water pump and gasket.
Oct 12, 2018 at 2:43 PM