Replacing a thermal fuse.

If you have diagnosed a faulty heater resistor (not the electronic kind), looking roughly similar to the one shown here, it's most likely just the thermal fuse that has blown.
Replacing the fuse is cheap and easy.



Repair guide
Stage 1 - Investigate.

If your heater blower is totally dead, do check your fuses first.
For safety, disconnect the battery first and make a note of the radio code.
Locate and examine the Heater Resistor.
Highlighted Thermal trip on a Heater Resistor
If you have an ohmmeter, check the thermal fuse (arrowed).
It should measure zero ohms.
 

Repair guide
Stage 2 -
Order new parts as appropriate.

Thermal fuse repair kit for Renault Scenic 2 (no aircon)

 

Repair guide
Stage 3 - Repair.


Replacing the Heater Resistor Thermal Fuse.
If you haven't used cable crimps before, we would recommend you do some research and get some practice before attempting this job.

Cut off old thermal fuse
1.Cut off the old fuse, leaving as much lead length remaining as possible.Straighten legs
2.Use your pliers to straighten these legs.
Resistor pack and replacement fuse and crimps
3.Bend the legs of your new thermal fuse into a "U" shape.New fuse crimped in place, ready for legs to be cut off
4.Now crimp the new fuse onto the old legs, such that the fuse is still close to the Heater Resistor 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.

 

 

 

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.



 

 

 

Renault Scenic 2 window regulator modules. Click here for details

 

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