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    Thread: MK3 Extraordinary heat inside the cabin

    1. n00b Paul van Eyden's Avatar
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      Aug 12th, 2019
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      Poland
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      8
      Vehicles
      mk1 & mk3 Jettas
      08-12-2019 05:54 PM #1
      Hi there from Poland!
      It's been two years since I own a mk3 Jetta. She has 2.0L ABA engine with manual gearbox. I'm a proud owner. I manage to do all mechanic stuff by myself. I did a lot, but still it's much more to do.

      My biggest problem is, that there is extraordinary hot inside, only on driver's side. The heat causes not only unpleasant driving, but also heats pedals, steering column, metal under the dashboard and much more. They're hot when you touch it.
      My question is, have anyone of you met with such a thing?
      Could You help me in this case?

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    3. 08-16-2019 08:19 AM #2
      does it happen straight away when you drive it? or is it when engine has warmed up?

    4. n00b Paul van Eyden's Avatar
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      Aug 12th, 2019
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      Vehicles
      mk1 & mk3 Jettas
      08-18-2019 04:38 AM #3
      Quote Originally Posted by garryt View Post
      does it happen straight away when you drive it? or is it when engine has warmed up?
      It's going hotter when the engine warm up. Even inside engine bay is very hot.

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    6. 08-19-2019 06:47 AM #4
      does the coolant temperature gauge read high?

    7. n00b Paul van Eyden's Avatar
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      Aug 12th, 2019
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      mk1 & mk3 Jettas
      08-19-2019 08:20 AM #5
      No. Coolant gauge reads ok, right in the middle or little bit on the left. Ventilator runs ocasionally. Pipes are hot but not very much. I'm plannig to change coolant pump, thermostat and the heater core. I think that it may be a problem with exhaust temperature, not coolant.

    8. 08-19-2019 11:18 AM #6
      I was going to mention the exhaust. your cat is in that area, and maybe it's partially blocked causing the heat build up. does the car feel low on power?

    9. n00b Paul van Eyden's Avatar
      Join Date
      Aug 12th, 2019
      Location
      Poland
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      8
      Vehicles
      mk1 & mk3 Jettas
      08-19-2019 05:15 PM #7
      Lately I changed igniton distributor cap and rotor and of course spark plugs. Before there was wrong plugs ana rotor and cap was wrecked. I also get right on vacuum hoses and changed vacuum valve (located on right McPherson mount). Jetta has much more power now, even on 4th and 5th gear and on low revs.

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