How to Replace the Water Pump in a Geo Tracker

The water pump is a vital part of the Geo Tracker's engine. In fact, it is the heart of the cooling system, circulating the coolant. A faulty water pump can cause some serious damage to the engine of your Geo Tracker. Make sure to change out a bad water pump in order to prolong the life of your engine.

Instructions

1.8L Tracker Engine

1

Disconnect the negative battery cable.

2

Place a drain pan underneath the radiator and drain the cooling system from the radiator into the pan.

3

Remove the upper radiator hose away from the housing to the thermostat.

4

Loosen and remove the bolt to the heater outlet pipe and take the alternator belt.

5

Take the four mounting bolts out of the water pump and loosen the dowel pin. Remove the pump from the engine, discarding the o-ring.

6

Install the new water pump with the new o-ring, making sure that the dowel pins are mounted in the pump before you install it. Replace the four bolts with new bolts, tightening them to 221 foot pounds (25 Nm).

7

Reinstall the heater outlet pipe bolt and alternator drive belt and reattach the thermostat housing and radiator hose.

8

Refill the cooling system with coolant.

9

Reattach the negative battery cable.

10

Start the car and check for leaks when the engine reaches normal operating temperature.

1.6L & 1.3L Engines

11

Disconnect the negative battery cable. Place a drain pan underneath the radiator and drain the cooling system from the radiator into the pan.

12

Take off the timing belt cover, remove the timing belt, the plate, tensioner and spring.

13

Loosen and remove the bolts to the water pump and remove the water pump, removing the rubber seals that lie between the oil pump and the water pump and cylinder head when doing so.

14

clean the gasket mating surfaces of the water pump and reinstall the new pump with a new gasket, tightening the bolts to 88 to 115 foot pounds (10 to 13 Nm).

15

Install a rubber seal between the oil pump and water pump and another in between the cylinder head and water pump.

16

Reinstall all other components in the order in which they were removed.

17

Refill the engine's cooling system with coolant.

18

Reconnect the negative battery cable.

19

Start the car and check for leaks when the engine reaches normal operating temperature.