Many Vauxhall and Opel owners have experienced a problem with the heater
not working properly.
Vehicles affected include the Corsa D (2006 onwards).
Owners may experience an intermittent heater blower fan, on one or more of the speed settings, or the fan may not work all, or will only work on full power, or may be stuck on full power.
Two types of controls are used, depending on whether the vehicle
has auto air-con or not.
Generally, it is the vehicles without auto air-con that have the most common problems with the heater and this is the vehicle we are dealing with here.
The possible causes
There are two common causes of a heater blower fan problem in the
Corsa D without auto aircon:
A. Faulty Heater Resistor (Otherwise known as the Heater Blower Resistor, Resistor Pack, Heater Rheostat or Blower Motor Resistor, Part No. 13248240 )
Usually, it is the thermal fuse on it that fails.
An open circuit Heater Resistor Thermal Fuse
B. Overheated/Burned Heater Resistor
Wiring Loom Connector
The connector can become overheated and melt, causing damage to the loom.
An overheated/burned Heater Resistor Loom Connector
A. Faulty Heater Resistor
If it is the thermal fuse that has failed, you can just replace that, using our thermal fuse repair kit.
Find out more replacing a thermal fuse
Alternatively, replace the Heater Blower Resistor with new.
(Part No: 55702407 / 13248240 / 77364061 / 6436C4)
B. Overheated/Burned Heater Resistor Loom Connector.
Replace the wiring loom connector by fitting a Loom Repair Kit.
(Part No: 6445KL / 6445ZL)
C. Other Causes
There can, of course be other causes, like a faulty blower motor, or a blown fuse, but the two main causes above are far and away the most common.
Stage 1 - Investigate.
If your heater blower is totally dead, do check your fuses first.
Disconnect the Heater Blower Resistor from the loom for inspection.
The Thermal Fuse is shown arrowed here.
This is the usual cause of failure of the Resistor Pack.
You can fix this with our Thermal Fuse Repair Kit.
Now carefully inspect the Heater Resistor Loom Connector.
Here's an example of a badly overheated one.
Clearly, this one needs replacing, but even if yours looks OK, look carefully at the contacts, and replace the connector if at all doubtful, using our loom repair kit.
Stage 2 -
Order new parts as appropriate.
Stage 3 - Replace/repair.
Replacing the Heater Resistor Thermal Fuse
1.Cut off the old fuse, leaving as much lead length remaining as possible.
2.Use your pliers to straighten these legs.
3.Bend the legs of your new thermal fuse into a "U" shape.
4.Now crimp the new fuse onto the old legs, such that the fuse is still close to the Resistor Pack body.
Cut off the protruding legs, and the Heater Resistor is repaired and ready for re-use.
Don't forget to try and determine why the fuse failed in the first place.
Replacing the Heater Resistor Loom Connector:
To do this, you need to cut off the old connector, and connect the cables on the new loom kit to the original loom.
For safety, disconnect the battery first and make a note of the radio code.
Eliminate the possibility of making a wiring mistake by cutting, and crimping or soldering only one cable at a time.
Heater Resistor Pack
Solutions for your vehicle.
Click on one of the links
below for more information
on economical solutions to
Heater Resistor problems
on your vehicle.
- Audi A3/S3, Q7, TT
- Alfa Romeo 147/156/GT
- Alfa Romeo Mito
- Chrysler Dodge Jeep
- Citroën C2 C3 C5
- Citroën C3 (without auto aircon / climate control)
- Citroen C4 C5
- Citroen Jumper / Nemo
- Fiat Doblo II / Ducato
- Fiat Fiorino III / Qubo
- Fiat Punto (+ Grande & Evo)
- Honda Civic Mk VII/VIII
- Peugeot 1007 207 406 607
- Peugeot 206 / 307 (without auto aircon / climate control)
- Peugeot 207, 208, 508
- Peugeot Boxer / Bipper
- Renault Clio II
- Renault Clio III
- Renault Espace 4
- Renault Laguna 2
- Renault Megane/Scenic 2
- Renault Megane 2 (without digital aircon / climate control)
- Renault Megane 3
- Renault Scenic 2 (without digital aircon / climate control)
- Renault Thalia
- Seat Altea, Leon, Toledo
- Skoda Octavia, Superb
- Vauxhall/Opel Corsa D
- Vauxhall/Opel Zafira B
- VW Golf, Jetta, Passat
- VW Scirroco, Tiguan
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