the dreaded mk2 golf heater issues

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andy - 19 Nov 2007 11:30 GMT

Hi their

I currently having issues with my heater, it only blows cold air
(occasional warm when i first start her up) i hear their could be all
sort of issues, bypass valves, air locks. I was wondering if any one
has any ideas on how to fix this problem. Also is possible to get a
picture of a bypass valve so i can see if mine has one.

Thanks
andy

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Doki - 21 Nov 2007 20:53 GMT

> Hi their
>
[quoted text clipped - 3 lines]
> has any ideas on how to fix this problem. Also is possible to get a
> picture of a bypass valve so i can see if mine has one.

It's a fairly obvious "thing" attached to the pipe going into the firewall
to the heater matrix. I'd have a go at bleeding the system by cracking open
the higher up hoses a small amount - I had to tdo this on my 16V to get the
right amount of coolant back in - it helped that I a) knew the coolant
capacity and b) was measuring how much I was putting in.

Don't mix G12 pink / orange anti freeze with normal stuff either.

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Doki - 21 Nov 2007 20:56 GMT

>> Hi their
>>
[quoted text clipped - 6 lines]
> It's a fairly obvious "thing" attached to the pipe going into the firewall
> to the heater matrix.

And by the way, it's there to stop weak heater matrices from bursting...

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