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post #51 of 77 (permalink) Old 30th September 2012
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Re: Renault Scenic I - Heater Fan Fix

Mk1 Phase 2 scenic is-

Pop the speaker covers off at corner of dash.
Take out torx screw near to speaker.
Pull top of dash towards back of car.

Would presume phase1 is similar.
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post #52 of 77 (permalink) Old 3rd October 2012
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Re: Renault Scenic I - Heater Fan Fix

after having no fan at all I tried the fix on the resistor but it didn't work, don't think I did it properly. so I ordered a secondhand one from a breakers and just put it in but now it only works on 4.

I have another thermal fuse but a bit reluctant to try it again as the resistor I just bought cost 36.

I read a post about the pollen filter and wonder if that might be the problem.

any help would be appreciated.
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post #53 of 77 (permalink) Old 3rd October 2012
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Re: Renault Scenic I - Heater Fan Fix

Presuming your car has standard heater or basic aircon-
The filter can restict airflow but won't cause the fan not to turn on lower speeds.
A second hand one can be suspect so don't rule that out.
If you have power at both sides of the thermal fuse then it's fine. Not sure if power runs through the thermal fuse for all speeds.
If it was a fusebox fuse problem then I don't think it would work at all.
Can you test if any of the inputs are getting a live on lower speeds.
The earth should be fine if it works on speed 4.
Check for outputs on the switch if no joy at the resistor.
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Scenic 1.4ish 2002. Clio 1.2 2002. Thunderbird 885 1995, Suzuki Gsx600f 1989. Fazer 600 2002. Specialist cement mixer for proffessionals only, not yer average forum numpty. Your car is probably worth more than all that lot put together.
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post #54 of 77 (permalink) Old 4th October 2012
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Re: Renault Scenic I - Heater Fan Fix

Quote:
Originally Posted by lancs dave View Post
Presuming your car has standard heater or basic aircon-
The filter can restict airflow but won't cause the fan not to turn on lower speeds.
A second hand one can be suspect so don't rule that out.
If you have power at both sides of the thermal fuse then it's fine. Not sure if power runs through the thermal fuse for all speeds.
If it was a fusebox fuse problem then I don't think it would work at all.
Can you test if any of the inputs are getting a live on lower speeds.
The earth should be fine if it works on speed 4.
Check for outputs on the switch if no joy at the resistor.
thanks for your help.

just replaced the fuse on the resistor I bought and have my fan working on all speeds at last!

haven't driven the car yet since the fix so I'm keeping my fingers crossed that I've secured it properly.

once again thanks very much.
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post #55 of 77 (permalink) Old 20th January 2013
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Re: Renault Scenic I - Heater Fan Fix

Just thought I'd post my experience on my 2002 Scenic with air con & electronic environmental control.
Last week the blower fan just stopped working when I started the car one morning. I checked the fuse, but it was ok. I checked on this forum and from the information gathered I deduced it must have been the resistor that was at fault. The second-hand & refurbished ones on eBay were about 30 (inc p&p) My local GSF Car Parts had a new one in stock for 46 so I opted for that instead rather than wait a few days and take a chance on second-hand parts.

I removed the top section of the dash as per the instructions from earlier in this thread.




The pipe that needed to be removed runs across from the back of the passenger air vent to behind the clock unit - it's covered in a thin foam, but it's just a shiny black hollow plastic pipe. It took a bit of effort to wrench it out of place, but one or two good hard pulls and it will come out (putting it back turned out to be the hardest part of this job!).

With the pipe out of the way you can see the top of the resistor with its distinct green connectors. To get to it you need to remove the electrical connection block sitting above it - it's just secured with a single 6mm bolt so loosen, lift up and push to one side. Disconnect the green connectors from the top of the resistor, loosen/remove the two 6mm bolts and lift the resistor up & out. A magnetic pickup tool would be handy as the bolts are fiddly and difficult to keep hold of once loosened.



Before I went to collect my new resistor I took the covers off the broken one to see if I could fix it, but there was nothing I could do - no obvious thermal link etc!

I popped the new one back in, replaced the connector block and then struggled for 5 minutes to get the hollow pipe back into place - I found it helped to pop out the passenger side vent so I could see the alignment of the pipe. Once that side was in it was just a case of pushing, shoving & wriggling to get the other end back in.

After that I replaced the dash and the blower fan now works a treat! Total time 30 minutes.
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fan , fix , heater , renault , scenic

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