Wayber
Member Since: 28 Oct 2018
Location: Lancs
Posts: 3
  
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Hello my TDV6 heater is blowing cold air but improves when the RPM is increased. The engine temperature needle stays in the middle but to be sure I have changed the thermostat and blead the system to remove air, although air bubbles still seem to always be visible.(screw on small hose above fan and screw on top of header tank, there is no bleader on heater pipes). The oil is in good condition and does not seem to use any water.
Any ideas would be appreciated.
Regards Wayne
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 1st Nov 2018 11:14 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1782
 
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sound like the heater core maybe blocked. You could try disconnecting both hoses and reverse flush them. would need to add fluid and anti freeze afterwards to top up system
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| 3rd Nov 2018 6:42 am |
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Wayber
Member Since: 28 Oct 2018
Location: Lancs
Posts: 3
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Thank you for that I will give it a try
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| 6th Nov 2018 11:20 pm |
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LandyIRL
Member Since: 24 Mar 2016
Location: Galway
Posts: 123
 
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Is it possible to replace tbe heater core on D3 without taking out the dash ?
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| 7th Sep 2019 5:34 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10363
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Yeah. It slides out by the peddles.
But some minor dremmel work is required.
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| 7th Sep 2019 6:23 pm |
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LandyIRL
Member Since: 24 Mar 2016
Location: Galway
Posts: 123
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Cheers Pete. I’m going to try flushing first but have a replacement and will likely have to give it a go
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| 7th Sep 2019 6:28 pm |
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