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JamesBurne86



Member Since: 06 Oct 2011
Location: Birmingham
Posts: 15

England 2006 Range Rover Sport Supercharged Java Black
HELP Coolent Problem, Hot Heaters but Overheating-Cold Hoses

Hi guys,
I have had help before on the site and i am very great full for that!

I have installed a new radiator and having massive problem bleeding it, I seemed to have done everything right but unfortunately i get the same results every time, Ticking over the car warms up nicely and the heaters become hot!!!

Feeling the hoses they are under pressure and HOT but.............. the very TOP HOSE and BIG HOSE which links onto the thermostat both on the passenger side remain REALLY COLD.

As soon as the car gets hotter ie driving or revving... the temperature builds up and the water level rises in the expansion tank and leaks past the overflow!

I would much appreciate any advice as to what this could be and i would be more than happy to donate money to the site!!!

The car is a 4.2 Supercharged model!!!

Many thanks,
James

Post #323061 Tue Nov 29 2011 1:06am
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Bobby



Member Since: 07 Jun 2005
Location: Kuala Lumpur
Posts: 3781

Malaysia 2006 Range Rover Sport Supercharged Chawton White

Did you bleed the system accordingly as per your other post? Malaysia Boleh!
4.2SC Chawton White, Stormers
Tasmod's Sills, Wind Deflectors, LR Sills
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Post #323062 Tue Nov 29 2011 1:41am
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JamesBurne86



Member Since: 06 Oct 2011
Location: Birmingham
Posts: 15

England 2006 Range Rover Sport Supercharged Java Black

Sorry, I PMd you instead :s... Yes i bled the system accordingly and everything seemed fine with the heaters getting to temperature etc..... Do you think that there may be a problem with the thermostat that's not letting the water through when its hot??? Would this build up pressure on the filler tank and make it overflow tho?

Can i take the thermostat out and try it then??

Many thanks Smile

Post #323105 Tue Nov 29 2011 12:41pm
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Bobby



Member Since: 07 Jun 2005
Location: Kuala Lumpur
Posts: 3781

Malaysia 2006 Range Rover Sport Supercharged Chawton White

Yes, the thermostat could give you this problem.
The viscous fan not operating properly could also be the culprit.

A Cooling System Pressure Test will be useful. Malaysia Boleh!
4.2SC Chawton White, Stormers
Tasmod's Sills, Wind Deflectors, LR Sills
Clear Side Repeaters, Towbar
Larini Sports Exhaust, K&N Air Filter
______________________________
WINNER - 2008 'Tech-Head Of The Year' Award
WINNER - 2009 Outstanding Contribution
WINNER - 2009 'Tech-Head Of The Year' Award

Post #323116 Tue Nov 29 2011 1:55pm
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JamesBurne86



Member Since: 06 Oct 2011
Location: Birmingham
Posts: 15

England 2006 Range Rover Sport Supercharged Java Black

It has had a brand new Viscous Fan.... Works perfectly as its been tested by it overheating so bloody much!!!!

The thermostat seal is damaged and does not cover 5 of the holes so i have ordered a new one to see if that does anything if not then it will get pressure tested. I did put in 2 rad seal in because i bought a 2nd hand radiator that had a leak which has since been removed as the leak was so bad but i am wondering wither this may have blocked anything up in the water pump for example.........

Post #323149 Tue Nov 29 2011 6:01pm
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JamesBurne86



Member Since: 06 Oct 2011
Location: Birmingham
Posts: 15

England 2006 Range Rover Sport Supercharged Java Black

Pressure tested and it is head gasket, what is the best way forward from here???

thanks

Post #323684 Fri Dec 02 2011 1:21pm
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x5pea



Member Since: 03 May 2007
Location: Lanarkshire
Posts: 2097

Scotland 2010 Range Rover Sport 3.0 TDV6 HSE Santorini Black

JamesBurne86 wrote:
Pressure tested and it is head gasket, what is the best way forward from here???

thanks


get the head off and hope it is the headgasket and not youve cooked the head

Post #323685 Fri Dec 02 2011 1:30pm
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