2004 Volvo V70 R, AutomaticFACTORY OEM SERVICE PROCEDURE

Additional heater/Parking heater

Fig 1: Additional Heater And Parking Heater
GLL145799Courtesy of VOLVO CARS OF NORTH AMERICA.

The additional heater/parking heater produces heat by burning gasoline or diesel. The heat is distributed via the engine cooling system to the heat exchanger and on out into passenger compartment.

When the engine is running, the additional heater can provide extra heat to the passenger compartment in the event that the engine is unable to provide sufficient heat. When the engine is not running, the parking heater can heat the passenger compartment (and the engine). This function can be started directly or using a timer.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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