The blower on my heater has stopped working. I read that the ignition switch can cause problems like this so after checking fuses which were all ok I wiggled the steering column while the engine was running and the fan worked properly.
Instead of stripping out for switch has anybody bypassed the switch to fix this problem?
heater fan
Moderator: Moderators
heater fan
1999 406 HDi 2.0 110 GTX Estate. 48k when bought, now 150K. Second owner, I've covered over 100k in it.
Clutch changed @110k, bottom pulley changed, cam belt changed, EGR blanked, cat removed, front springs changed.
Clutch changed @110k, bottom pulley changed, cam belt changed, EGR blanked, cat removed, front springs changed.
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GingerMagic
- 3.0 24v
- Posts: 3570
- Joined: Fri Apr 06, 2012 9:02 pm
- Location: Bournemouth
Re: heater fan
I'm not sure its that simple - although I'm no mechanic.
The blower only works when the engine is running, so the 'engine running' relay needs the feed from the ignition first - before off to the blower.
A new ignition lead is around £20 from eBay - I changed the one on my wife's Picasso and it took about 30 mins - as the new lead was an inch shorter so had to faff about rerouting it a bit.
Its been fine ever since though - this was nearly 18 months ago..
The blower only works when the engine is running, so the 'engine running' relay needs the feed from the ignition first - before off to the blower.
A new ignition lead is around £20 from eBay - I changed the one on my wife's Picasso and it took about 30 mins - as the new lead was an inch shorter so had to faff about rerouting it a bit.
Its been fine ever since though - this was nearly 18 months ago..
2003 2.2hdi estate - mine
1998 Volvo 940 auto estate - also mine
2019 Citroen C3 something - the wife's
PP2000 user, can help with faults / diagnostics in the Bournemouth area.
1998 Volvo 940 auto estate - also mine
2019 Citroen C3 something - the wife's
PP2000 user, can help with faults / diagnostics in the Bournemouth area.
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Doggy
- Mod with a 2.2 HDi, De-Fapped!
- Posts: 10710
- Joined: Mon Oct 13, 2008 11:49 pm
- Location: Northants
Re: heater fan
I has the opposite problem - mine runs constantly at full speed as soon as you start the engine.
After searching previous posts, I'm 99% sure it's going to be the speed control module, on which at least one intrepid pioneer replaced the power transistor that does the PWM switching. Nowadays grabbing one from the scrappy is going to be cheaper/easier than changing the transistor, (particularly for a blind old ham-fisted solderer).
Since the loss of the Photobucket pics, can anyone remind me whether this module is mounted on the fan itself, or nearby in the footwell?
After searching previous posts, I'm 99% sure it's going to be the speed control module, on which at least one intrepid pioneer replaced the power transistor that does the PWM switching. Nowadays grabbing one from the scrappy is going to be cheaper/easier than changing the transistor, (particularly for a blind old ham-fisted solderer).
Since the loss of the Photobucket pics, can anyone remind me whether this module is mounted on the fan itself, or nearby in the footwell?
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
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steve_earwig
- Moderator
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Re: heater fan
I think they're on the blower motor. The pictures should still be available, you just need to find the links for them and view them on Bloatedfucker itself.
Unskilled meddling sin©e 2007
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Doggy
- Mod with a 2.2 HDi, De-Fapped!
- Posts: 10710
- Joined: Mon Oct 13, 2008 11:49 pm
- Location: Northants
Re: heater fan
Cupboard was bare at the scrappy 
- ordered one off fleabay for £9.99, here on Monday.
(part no. 6441 L2)
- ordered one off fleabay for £9.99, here on Monday.
(part no. 6441 L2)
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
-
Doggy
- Mod with a 2.2 HDi, De-Fapped!
- Posts: 10710
- Joined: Mon Oct 13, 2008 11:49 pm
- Location: Northants
Re: heater fan
Quick update - fleabay delivery arrived Saturday, fitted it yesterday and all's good. 
Definitely worth £9.99 to sort that out painlessly - involved a bit of footwell acrobatics.
Tip - remove the gadget from the heater 1st, then undo the plugs.
Reckon mine had been changed before - it was an OE Valeo item, but only 1 of the 2 screws was fitted and that was loose.
I made do with the 1 accessible fixing screw, but at least it's tight.
Definitely worth £9.99 to sort that out painlessly - involved a bit of footwell acrobatics.
Tip - remove the gadget from the heater 1st, then undo the plugs.
Reckon mine had been changed before - it was an OE Valeo item, but only 1 of the 2 screws was fitted and that was loose.
I made do with the 1 accessible fixing screw, but at least it's tight.
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)