displaying posts 1 to 15 of 15

Author Subject: Blower stopped
mikebee

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Location: Northampton

Registered: 17 Aug 2010

Posts: 122

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Post #1
As above, the blower has stopped on my 6. Other than the fuse (which I've checked) what should I look for?
Posted 17th Nov 2010 at 00:42
brownboy

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Location: congleton

Registered: 13 Oct 2008

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Post #2
could be the relay
Posted 17th Nov 2010 at 00:46
mikebee

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Location: Northampton

Registered: 17 Aug 2010

Posts: 122

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Post #3
Would this also affect the a/c? Noticed that isn't working either.
Posted 17th Nov 2010 at 01:11
taken

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Location: Nr Whitchurch, Shropshire

Registered: 03 Feb 2008

Posts: 221

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Post #4
Yes mikebee, When I bought my 306 the blower wouldn't work, or the A/C. It took me ages to eventually find that one of the GREEN relays in the fusebox was burnt out..!

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Posted 17th Nov 2010 at 01:52
mikebee

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Location: Northampton

Registered: 17 Aug 2010

Posts: 122

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Post #5
Will check this. It has been intermittent and I did check the relays the other week and were ok, but it could have burnt out.

Thanks guys.
Posted 17th Nov 2010 at 02:01
GTI-6

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Location: Brisbane

Registered: 18 Apr 2012

Posts: 163

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Post #6
did you find out what it was? I have the same issue. Blower motor works fine when i hard wire it Sad

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Posted 1st Aug 2012 at 23:06
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,795

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Post #7
green relay under dash, all my 306's have had problems with the relay overheating or melting to the fuse board

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Posted 1st Aug 2012 at 23:12
aaron6

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Location: On the sofa in maidstone

Registered: 16 May 2006

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Post #8
Mine had this, I changed the motor last week. Been fine since. Mine had other issues to though such as just the fan being intermittent.

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Posted 2nd Aug 2012 at 10:08
russbez

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Location: Inverness-Shire

Registered: 19 Dec 2005

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Post #9
another vote for one of the green relays in next to fuse area in the car Yes

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Posted 2nd Aug 2012 at 10:37
daver6

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Location: Durham

Registered: 08 Aug 2010

Posts: 2,379

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Post #10
Does it work on the fastest setting? (#4)

If so, its the heater blower resistor that has gone

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Posted 3rd Aug 2012 at 17:58
GTI-6

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Location: Brisbane

Registered: 18 Apr 2012

Posts: 163

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Post #11
My A/C and recirculating fan work. The heater was intermittent. Thought the motor was shot, so I took it to pieces, cleaned the brushes etc.

Result: the motor works when hard wired. doesn't work at all when wired in to the car. Ordered a new blower as I suspect it's the control unit inside the blower itself (sealed board with 3 I.Cs)

there are 3 wires to the unit, 12v +, GROUND and control, this varies between 1 and 5 volts. 5 when the blower is set to low or off and 1 when on full blast, in this correct? I assumed so.


Also, the blower runs constantly, even when set to off. it bugs the crap out of me. From other threads on here, it appears that is normal?

p.s the air con drainage pipe is the weakest piece of crap ive ever seen.

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Posted 8th Aug 2012 at 02:25
aaron6

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Location: On the sofa in maidstone

Registered: 16 May 2006

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Post #12
Mine used to do that, then it just stopped. I changed the motor, jobs a gooden. Smile

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Posted 8th Aug 2012 at 06:16
GTI-6

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Location: Brisbane

Registered: 18 Apr 2012

Posts: 163

Status: Offline

Post #13
Yeah, I reckon it's gotta be that internal control unit.
I'll stick a photo and diagnosis of it up here when i've sorted it as there seems to be a few threads with similar symptoms, but not solution ( i hate that sorta stuff!)

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Love thy 6
Posted 8th Aug 2012 at 06:39
GTI-6

Regular

Location: Brisbane

Registered: 18 Apr 2012

Posts: 163

Status: Offline

Post #14
SOLVED!

There is a control unit inside the the blower casing itself.

It has a cast alloy case and is held in by three torx screws. The control unit is sealed under black silicone. I got it all out and an IC had blown.

Replaced whole blower unit as control unit/module cant be found by itself.

I think, basically, if you get 12v+ on the red, GND on the black and varying 0-4V (IIRC), between gnd and control wire, and the motor is intermittent/doesnt work, this is likely the issue. PM if anyone wants photos. cheers.

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Love thy 6
Posted 21st Aug 2012 at 06:02
aaron6

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Location: On the sofa in maidstone

Registered: 16 May 2006

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Post #15
Put photos up on here mate. It's a common issue and would be nice to have a finished thread. Good work by the way. Wink

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Posted 21st Aug 2012 at 07:38

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