volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Coolant Pipe Fuel-Powered Preheater|Page 5625 > < Coolant Pipe Fuel-Powered Preheater|Page 5623
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The water pump for the engine coolant heater has a rubber-mounted mounting. The lower section is hooked onto the mounting bracket on the vehicle.

Install:

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the hoses using new hose clamps according to any markings. Remove the hose clips

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the water pump and mounting, 1 x M6. Tighten

Hint: Hook the lower reverse of the rubber mounting in the mounting. This facilitates locating the thread hole and correct mounting.

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the connector.

Close the drain nipple. Remove the hose.
Fill with coolant. Run the engine until the thermostat opens. Top up if necessary.

Finishing

Adjusting and checking

Test run the engine coolant heater and check its function. See: Fuel-powered preheater, checking See: Heating and Air Conditioning/Auxiliary Cabin
Heater/Testing and Inspection/Component Tests and General Diagnostics/Fuel-Powered Preheater, Checking.
Check for leakage from the coolant hoses.
Top up the coolant if necessary.

Installing the cover

Coolant Pipe Fuel-Powered Preheater|Page 5625 > < Coolant Pipe Fuel-Powered Preheater|Page 5623