Coolant Pump Replacement Gasoline Engines

1. Drain the engine cooling system to a level below the thermostat housing. Refer to Cooling System Draining and Filling .
2. Remove the timing belt. Refer to Timing Belt Replacement for the 1.4L engine, Timing Belt Replacement for the 1.6L engine, Timing Belt Replacement for the 1.8L engine or Timing Belt Replacement for the 2.0L engine.
3. Remove the timing belt tension roller retaining bolt.
4. Remove the timing belt tension roller.



5. Remove the water pump mounting bolts.
6. Remove the water pump from the engine block.
7. Remove the ring seal from the water pump.

1. Install a new ring seal to the water pump.
2. Coat the sealing surface of the ring seal with Lubriplate®.
3. Install the water pump to the engine block with the flange aligned with the recess of the rear timing belt cover.

Notice: Refer to Fastener Notice in the Preface section.

4. Secure the water pump to the engine block with the mounting bolts.

Tighten

•	On 18L L79 and 2.0L DOHC engines, tighten the water pump mounting bolts to 25 N·m (18 lb ft).

•	On 1.6L engine, tighten the water pump mounting bolts to 10 N·m (89 lb in).

•	On 1.8L LDA engine, tighten the water pump mounting bolts to 8 N·m (71 lb in).




5. Install the timing belt tension roller to the oil pump with the flange inserted into the recess of the oil pump.
6. Install the timing belt tension roller bolt. Do not tighten the bolt at this time.
7. Install the timing belt. Refer to Timing Belt Replacement for the 1.4L engine, Timing Belt Replacement for the 1.6L engine, Timing Belt Replacement for the 1.8L engine or Timing Belt Replacement for the 2.0L engine.
8. Refill the engine cooling system. Refer to Cooling System Draining and Filling .