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STU TDV8



Member Since: 03 Apr 2016
Location: norfolk
Posts: 65

United Kingdom 2007 Range Rover Vogue TDV8 Java Black
TDV8 water issues

I've always seemed to have an issue with my TDV8 it seems like it's recirculating load's of air (more than water) and it seems to spit water out when I'm towing my big trailer which eventually leads to it coughing and filling the header tank with water which then takes the water from the block (no hot air in the cabin) . I've tried bleeding the water system in so many ways and nothing seem's to work?.
I've tried the hydro carbon test and the water stays blue also I've vacuum tested the system and it looses very little ?.
I've replaced the thermostat housing and water pump and various other parts recently (within 12 months)
Just always panic as it seems to loose water when I'm towing and will eventually start to get hot if I was to let it ??...
I have a video but not sure how to upload it ?.

Post #441168 10th Jun 2017 7:28pm
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northernmonkeyjones



Member Since: 24 Mar 2012
Location: derby
Posts: 8479

United Kingdom 2016 Range Rover Autobiography SDV8 Santorini Black

Difficult to diagnose that.

Could be an airlock which moved to the cabin system. Could be dropping when hot due to water moving through the cooler for the gearbox pushIng the air out.

As you say you have pressure tested the system and checked for a leak, and there is none where is the water going? You said it's. it dropping much pressure, it shouldn't really drop any. Is it going anywhere? Or is there just a lot of air in the system and its pushing it out so you see a coolant drop in the header tank.

If it's persistent mate I would get it to a garage, get them to test the system, and properly bleed the coolant. If you have changed parts you can probably rule out issues with those, but there is a lot to the rest of the system which could be trapping air such as the fbh, oil/water cooler, gearbox cooler.

Would have thought that after 12 months that it would have bled itself by now though.

Did you check the small pipe running off he bottom of the tank to the block? That one chafes on the body and can wear through. There is nothing that can't be fixed with a hammer๐Ÿ˜œ๐Ÿ˜œ
FFRR 4.4 SDV8 Autobiography Santorini Black.
Fiat 500x 1.4 multiair Lounge 2015
2010 LR D4 Commercial 2.7 TDV6

Post #441186 11th Jun 2017 7:37am
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STU TDV8



Member Since: 03 Apr 2016
Location: norfolk
Posts: 65

United Kingdom 2007 Range Rover Vogue TDV8 Java Black

I took a great video of the header tank anyone know how I can upload it ??.

Post #441203 11th Jun 2017 9:51am
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stan
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stick it on youtube and place the link on your post.. ... - .- -.




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Post #441211 11th Jun 2017 10:55am
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GraemeS



Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2278

Australia 2012 Range Rover Autobiography TDV8 Bournville

Is the pressure cap releasing prematurely or not sealing properly?

Post #441219 11th Jun 2017 11:48am
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STU TDV8



Member Since: 03 Apr 2016
Location: norfolk
Posts: 65

United Kingdom 2007 Range Rover Vogue TDV8 Java Black



Try this ..

Post #441275 11th Jun 2017 8:58pm
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northernmonkeyjones



Member Since: 24 Mar 2012
Location: derby
Posts: 8479

United Kingdom 2016 Range Rover Autobiography SDV8 Santorini Black

its there,

exactly why are you running it with a funnel in? There is nothing that can't be fixed with a hammer๐Ÿ˜œ๐Ÿ˜œ
FFRR 4.4 SDV8 Autobiography Santorini Black.
Fiat 500x 1.4 multiair Lounge 2015
2010 LR D4 Commercial 2.7 TDV6

Post #441345 12th Jun 2017 5:19pm
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northernmonkeyjones



Member Since: 24 Mar 2012
Location: derby
Posts: 8479

United Kingdom 2016 Range Rover Autobiography SDV8 Santorini Black

what does it look like when you run it with the pressure cap on? There is nothing that can't be fixed with a hammer๐Ÿ˜œ๐Ÿ˜œ
FFRR 4.4 SDV8 Autobiography Santorini Black.
Fiat 500x 1.4 multiair Lounge 2015
2010 LR D4 Commercial 2.7 TDV6

Post #441346 12th Jun 2017 5:22pm
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STU TDV8



Member Since: 03 Apr 2016
Location: norfolk
Posts: 65

United Kingdom 2007 Range Rover Vogue TDV8 Java Black

I was running it with the funnel in so I had the water at The highest point to see if it would bleed but it never seems to stop bubbling air out ? . If you put the cap on you just see the air and water going round like you see in that video ??.

Post #441354 12th Jun 2017 6:25pm
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Daniel-35



Member Since: 28 Apr 2022
Location: Halifax
Posts: 1

United Kingdom 2006 Range Rover Vogue SE TDV8 Barolo Black

Hi did you find out the problem

Post #630019 28th Apr 2022 4:41pm
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