2004 Volvo V70 Base, 2.4 61, StandardFACTORY OEM SERVICE PROCEDURE

Air distribution system: General

Fig 1: Air Distribution System Components
GLL145807Courtesy of VOLVO CARS OF NORTH AMERICA.

The air distribution system consists of:

  • climate control system:
    • blower fan
    • damper
    • filter
    • recirculation throttle.
  • air ducts
  • vents.

Dampers control the outgoing air to:

  • defroster
  • the dashboard vents
  • the floor outlets
  • the B post vents.

Fresh air enters the climate control system through the fresh air intake under the plenum chamber.

The fresh air intake is located:

  • on the right-hand side of the left-hand drive vehicle
  • on the left-hand side of the right-hand drive vehicle.

Air enters the climate control system and is distributed by a large number of air vents to the passenger compartment. After circulating, the air leaves the passenger compartment via the evacuation valves in the cargo compartment.

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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