Air conditioning

Heater resistor relay

~3min read

Tightening torques

fixing screw of the beam reinforcement plate 2.1 daN.m
engine cover screws 0.4 daN.m

The heater resistor relays are accessed from underneath the dashboard.

REMOVAL

  • Disconnect the battery, starting with the negative terminal.
Relais de résistances de chauffage
  • Remove the front sill trim (front section).
Relais de résistances de chauffage
  • Unclip the access hatch to the lower housing.
Relais de résistances de chauffage
  • Unclip the side cheek panel.
Relais de résistances de chauffage
  • Unclip the high beam adjustment control.
  • Remove:
  • the bolts (1),
  • the connector of the high beam adjustment control unit.
Relais de résistances de chauffage
  • Remove the air duct (2) front left footwell.
  • Unclip the air duct (2) at (3).
  • Bend the air duct (2) downward at (4).
  • Lift the air duct (2).
Relais de résistances de chauffage
  • Remove:
  • the lower cover over the beam reinforcement plate,
  • partially the carpet.
  • Loosen the elastic stud (6) between the distribution box and the beam reinforcement plate.
  • Remove:
  • the four fixing screws (7) of the beam reinforcement plate,
  • the beam reinforcement plate (8) by sliding it toward the front of the vehicle.
Relais de résistances de chauffage
  • The relay holder box (9) (heater resistor relay) is attached to the blower motor.
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  • Press the tab (10), pull the box toward the front of the vehicle.
  • Remove the heater resistor relay box.

INSTALLATION

  • Refit in the reverse order of removal.
  • Reform the air circuit by working through the air outlet holes and applying hand pressure perpendicular to the fold.
WARNING

Connect the battery; carry out the necessary relearn procedures (Chapter Battery).

  • Tighten to the following torques:
  • the body reinforcement plate mounting screws (2.1 daN.m),
  • engine cover screws (0.4 daN.m).

RIGHT-HAND DRIVE

Tightening torques

battery cover screw 0.4 daN.m

The heater resistor relays are accessed from underneath the dashboard.

REMOVAL

  • Disconnect the battery, starting with the negative terminal.
  • Remove the front sill trim (front section) Chapter Interior body trim.
Relais de résistances de chauffage
  • Unclip the side cheek panel.
Relais de résistances de chauffage
  • Remove the screws (1).
  • Remove the glovebox.
  • Disconnect the connector from the glovebox.
Relais de résistances de chauffage
  • Remove the front left ventilation duct (2).
  • Unclip the air duct (2) at (4).
  • Bend the air duct (2) downward at (5).
  • Lift the air duct (2).
  • Unclip the clip (3) located behind the engine hood release control bracket.
Relais de résistances de chauffage
  • Remove, for vehicles equipped with heater resistors, the relay bracket fitted to the blower motor assembly in order to remove the blower motor assembly control (Chapter Heating).
  • Remove the pedal sensor at (6).
Relais de résistances de chauffage
  • Remove the relay holder box at (7) (heater resistor relay).
  • Remove the heater resistor relay box.
  • Press the tab (8), then pull the box toward the front of the vehicle to remove it from the blower motor assembly.
Relais de résistances de chauffage
  • Remove the resistor relay box downward.
  • Remove the relevant relay.

INSTALLATION

  • Refit in the reverse order of removal.
  • Reshape the air duct by working through the air outlet holes and applying pressure by hand perpendicular to the fold.
WARNING

Connect the battery; carry out the necessary relearn procedures (Chapter Battery).

  • Torque the battery cover screws (0.4 daN.m).

Test yourself

A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.