thermal fuse

[Vinny]

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Hey folks my thermal fuse in my 1990 coupe has blown yet again does anyone have any ideas for why this might keep happening , also just been upto maplin for a new fuse and they gave me a choice of about eight with different temperature any clues anyone..

[UrS4boy]

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Hey folks my thermal fuse in my 1990 coupe has blown yet again does anyone have any ideas for why this might keep happening , also just been upto maplin for a new fuse and they gave me a choice of about eight with different temperature any clues anyone..

Which thermal fuse is this? I remember asking about thermal fuses and the answer was there aren't any.

Can you post a photo of the problem fuse?

In the meantime, this link shows the diagnosis of a failed thermal fuse on a C4 UrS4 (the injector fuse in this case):

https://plus.google.com/photos/117979369085854910207/albums/5631190765848614209?banner=pwa&gpsrc=pwrd1#photos/117979369085854910207/albums/5631190765848614209?banner=pwa&gpsrc=pwrd1

[johne]

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Hey folks my thermal fuse in my 1990 coupe has blown yet again does anyone have any ideas for why this might keep happening , also just been upto maplin for a new fuse and they gave me a choice of about eight with different temperature any clues anyone..

I assume you mean the thermal fuse on your fan speed resistor pack? A thermal fuse around 110/120 degrees will do and the reason it keeps blowing is because your fan motor is partly seized and needs lubricating.

John

[Vinny]

Yeh thats the one on the blower how do you lubricant the fan ?

[johne]

Oil the bearings top and bottom on the motor. IIRC you have to take the motor out of its plastic housing first.

John

[Vinny]

Ive just looked on maplins sight and there is nothing about temp conected to specific fuses that I can see its just product no...

[Vinny]

Spot on cheers john..