I dont think a thermostat is that expensive, around £30-£40 from a quick google search. its basically just a valve with a wax block in, when the wax block melts the valve opens. will need to replace coolant also.

Here is a video showing how to change one. (V8 M62 model tho)

http://www.youtube.com/watch?v=X6Zs24x4TnI

Interesting video on how one works

http://www.youtube.com/watch?v=xVPtIi6sVYg

Last edited by Katash on 24th Jan 2012 3:24pm. Edited 1 time in total

dan [duckworths] is the best place to get the thermostat and you'll need fresh coolant as well. ..............................




this is handy

£38inc vat for genuine
OEM one £29inc vat www.duckworthparts.co.uk
Email: danroberts@duckworthlandrover.co.uk
Tel: 01673 849873 - My Direct Line

Fantastic which ever is better,
How much for a rad?

Just on motorway with heaters all off and
Gauge is bang on centre.

Then heaters on and it drops then yoyos
A little

I'm thinking it's the stat now as you all say,
If it was the pump it would be boiling over wouldn't it? RANGE ROVER 04 TD6 FACE LIFTED TO 2012.
MK4 Sat Nav with 2012 maps :@>

I would think if the pump fails or thermostat stays shut the temp would raise above a safe level.

By the way, have you noticed any drop in mpg? .... I read that if the engine is running below nominal temp the fuel condenses in the cyls and reduces performance and efficiency (not sure if this just applies to petrol engines tho)

Ignore the V8 stuff, that's a walk in the park compared to the TD6  

Have "RSW All Comms" in Hampshire - happy to help

Current Combustion Engine Transports:
Range Rover 2002 TD6 HSE Alveston Red, Sand Leather
Audi 2004 Cabriolet Sport 3.0 (Amulet Red)
Mazda Eunos 1990 (Brilliant Red)
MG Midget Mk 1 1962 (undergoing restoration) (to be Nightfire Red)

What you say joe

Is it hard to change??? RANGE ROVER 04 TD6 FACE LIFTED TO 2012.
MK4 Sat Nav with 2012 maps :@>

http://www.fullfatrr.com/forum/post94803.html?#94803
and photos
http://www.fullfatrr.com/gallery/thumbnails.php?album=380 

Have "RSW All Comms" in Hampshire - happy to help

Current Combustion Engine Transports:
Range Rover 2002 TD6 HSE Alveston Red, Sand Leather
Audi 2004 Cabriolet Sport 3.0 (Amulet Red)
Mazda Eunos 1990 (Brilliant Red)
MG Midget Mk 1 1962 (undergoing restoration) (to be Nightfire Red)

My SC has the same issue with the temp gauge. When we had the cold spell the other day the temp gauge barely got off the blue on a 40 mile journey and I wasn't getting any hot air through into the cabin. Time to investigate I think.

It's a new thermostat she needs Nick , I was going to get it done before I traded her in , reason for not doing so


£16 for the thermostat

Dealership price for fitting £300

Is the access easier on the S/C? I, too, have the swinging temp issue!

There are some pics on the Jag forum for the 4.2 S/C engine and it seems to be at the front of the engine. And less gudel than Joes very good walk through.

This combined with the binding caliber and the reduced engine performance warning is my welcome to S/C ownership. (In respect to the engine warning I have checked the wiring to the aux coolant pump and it is wired correctly).

Grant