volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Compressor Clutch Relay > < Auxiliary Cabin Heater Control Module|Service and Repair
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Tighten the 4 screws crosswise.
Install the engine coolant heater. See: Fuel Fired Booster Heater See: Heating and Air Conditioning/Auxiliary Cabin Heater/Service and Repair/Fuel
Fired Booster Heater 

Finishing

Final check of the engine coolant heater

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 that no diagnostic trouble codes (DTCs) have been stored while the repair was carried out.

Compressor Clutch Relay > < Auxiliary Cabin Heater Control Module|Service and Repair