Building up pressure in water bottle and heaters not working properly when this happens
2006 Volkswagen Touran 1.9tdi

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jboy
Driver
4 points

Problem added: Nov 27, 2013 (7 years ago)
car building up pressure in water bottle when this happens the heaters stop working but then they could start working again later. when the heaters are working they are very good but then when they stop working they are just pure cold. I have changed the thermostat, water pump and motorized heater flap under dash and washed out radiator and pipes but still no good.

Car details
Car: Volkswagen Touran
Variant: 1.9tdi
Model Year: 2006
Category: Leaks & Noises
Replies and Fixes
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whittingehame
Legend
20,220 points

Nov 27, 2013 (7 years ago)
Looks like head gasket gone , carry out a block test to confirm .
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jboy
Driver
4 points

Nov 28, 2013 (7 years ago)
if the head gasket was gone would she not build up pressure all of the time instead of every now and again? Thought it strange that she can build up pressure and then go again and heaters going now and again.
Avatar
jboy
Driver
4 points

Nov 28, 2013 (7 years ago)
If the head gasket was gone would she not build up pressure all of the time instead of now and again? I thought it strange that the heaters went every now and again.
Avatar
whittingehame
Legend
20,220 points

Nov 29, 2013 (7 years ago)
You didn't mention it was not all the time in post . Can vary depending on how bad gasket blown and on length of usage i.e short journeys pressure might not build up the same .
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jboy
Driver
4 points

Sep 16, 2014 (6 years ago)
I carried out the head test on the car but it didn't show up any problems the liquid solution didn't change colour. Is there anything else that would cause the build up of pressure in the water bottle?

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