Volvo Penta D1-13 Workshop Manual page 120

26-2 Coolant Pump, Thermostat
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Coolant Pump, Change
1 Drain the coolant.
Undo the hose connections (1) for the coolant
pump.
Loosen the tension (2) on the drive belt and
remove it.
2 D1-13-A and D1-20-A
Undo the temperature sensor connector.
Alla motorer
Loosen the screws (1) and nut (2) which hold the
coolant pump and alternator stay (3).
Remove the coolant pump and alternator stay.
D1-13:
Also remove the spacer which is located between
the coolant pump and engine block.
3 Clean the sealing surfaces. Transfer the temper-
ature sensor, hose union and pulley to the new
coolant pump.
4 Install the new coolant pump with new seals,
spacer (D1-13) and alternator stay. Install and
tension the drive belt. Install the hose connec-
tions.
5 Fill up with coolant. Warm up, and check the seal-
ing and coolant level.
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