Doosan GC25P-3 User Manual

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LP Engine G430(3.0L) Cooling System
Water Pump Replacement
Remove or Disconnect
Figure 9-15 Coolant Pump Replacement
1. Coolant from the radiator.
2. Drive belt. Refer to "Drive Belt Replacement."
3. Fan and pulley from the coolant pump. Refer to
"Fan Replacement."
4. Lower radiator (outlet) hose and heater hose from
the coolant pump. On the 7.4L engine, remove the
bypass hose.
5. Bolts.
6. water pump from the engine block.
CLEAN
Mating surfaces on the coolant pump and the engine
block.
Install or Connect
1. Coolant pump to the engine block.
2. New gaskets,
3. Bolts.
TIGHTEN
Bolts to 41 N•m (30 lb•ft.)
4. Lower radiator (outlet) hose and heater hose to the
coolant pump. Bypass hose on the 7.4L engine.
5. Water pump pulley and fan to the coolant pump
hub. Refer to "Fan Replacement."
6. Drive belt. Refer to "Drive Belt Replacement."
7. Start the engine and run, with the radiator cap
removed, until the upper radiator hose becomes
hot (thermostat is open).
8. With the engine running, add coolant to the
radiator until the level reaches the bottom of the
filler neck.
9. Radiator cap, making sure the arrows line up with
the overflow tube.
10. Check for leaks.
600-182

Doosan GC25P-3 Specifications

General

Brand	Doosan
Model	GC25P-3
Category	Engine
Language	English