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Thread: 2013 TDI Golf - lost heating

  1. #1
    Join Date
    Dec 2014
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    2013 TDI Golf - lost heating

    Back story: heater core pipe was found to be leaking and was replaced at regional VW dealership. Pressure tested to be fine.

    Picked up the car last week and noticed the heater no longer works. Still blows cold air just fine, but zero heat. The mrs also notices gurgling sounds when she turns off the car. Temperature gauge still sits on a constant 90c when running.

    They have offered to pay for it if the instance it was something they did but at my expense if not, at my local VW which upfront charges $195 for a diagnostic.

    Wondering if anyone has guidance on what could cause this, and if it was likely something the "repair" did?

    Anyone in VIC that has a VCDS tool i could borrow to scan any codes?

    Just would rather take it to my local euro specialist if it's not related, but obviously if it is would take it back to VW.

    Thanks!

  2. #2
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    Probably didnt bleed air out of it properly Take it for a run get it hot, turn heater to hot and sit it in thew garage with top off coolant bottle overnight. If there is air in it you will hear it bubbling quietly
    2021 Kamiq LE 110 , Moon White, BV cameras F & B
    Mamba Ebike to replace Tiguan

  3. #3
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    Thread Starter
    Tried doing that yesterday, took off the cap and coolant shot out everywhere, almost burnt my hand! Is that normal?

    Whilst I had the cap off didn't notice any bubbling, but the level kept going up and down
    Last edited by occxlr8ed; 20-01-2021 at 06:11 PM.

  4. #4
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    Was car running I meant when you park it up at night Is there a tap on the heater thats turned off

    Going up and down sounds like air park it turn it off and then remove cap till morning.. Never take cap off when running
    2021 Kamiq LE 110 , Moon White, BV cameras F & B
    Mamba Ebike to replace Tiguan

  5. #5
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    Yeah....read somewhere that's how you can self bleed it, cap off whilst the car is running.

    Will give it a go

  6. #6
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    Quote Originally Posted by occxlr8ed View Post
    Yeah....read somewhere that's how you can self bleed it, cap off whilst the car is running.

    Will give it a go
    NO NO you will chuck it all out if you do that park it in garage turn it off take cap off wait till tomorrow to see if level has dropped a little bit
    2021 Kamiq LE 110 , Moon White, BV cameras F & B
    Mamba Ebike to replace Tiguan

  7. #7
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    Dealership think its a blocked heater core.

  8. #8
    Join Date
    Apr 2007
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    Canberra
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    Could also be the flaps that control whether cold air or hot air is sent to the vents.

    If it was working OK before then IMO that is more likely than a blocked heather matrix. Is the silica bag in the coolant bottle still intact ? (when they burst they block the heater matrix).
    2017 MY18 Golf R 7.5 Wolfsburg wagon (boring white) delivered 21 Sep 2017, 2008 Octavia vRS wagon 2.0 TFSI 6M (bright yellow), 2006 T5 Transporter van 2.5 TDI 6M (gone but not forgotten).

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