Thermostat

[S6 Devil]

Can some kind person let me know where the thermostat is located as I want to fit this asap. I am led to believe it is where the top radiator hose joins the engine. I am assuming it will be easy for a mechanical numpty to find?

[natben]

It is as you said where the top radiator hose fits to the engine, just below the fuel rail. You should manage it ok. But remember to fill up the header tank slightly and bleed the radiator to remove any air in the system.

[S6 Devil]

natben said:

It is as you said where the top radiator hose fits to the engine, just below the fuel rail. You should manage it ok. But remember to fill up the header tank slightly and bleed the radiator to remove any air in the system.

Thanks.

[jpp]

I would be interested know how this goes - I'm seeing some silly read outs on coolish days now as well when stationary. Particularly the bleed bit and how quickly the new stat has to be swapped in.

[S6 Devil]

jpp said:

I would be interested know how this goes - I'm seeing some silly read outs on coolish days now as well when stationary. Particularly the bleed bit and how quickly the new stat has to be swapped in.

I'm wimping out and getting the garage to do it!

[S6 Devil]

Just changed the themostat for a 74c one. It hasn't made any difference and the car is still showing between 92 and 104. Could it be the coolant sensor?

[Basil Brush]

Is it showing the same on the dash and the ecu read out? They have different sensors.

[S6 Devil]

Basil Brush said:

Is it showing the same on the dash and the ecu read out? They have different sensors.

Where is the ecu readout...do you mean using the data cable and a laptop? If so I don't have them!

[Basil Brush]

S6 Devil said:

Where is the ecu readout...do you mean using the data cable and a laptop? If so I don't have them!

Yes with cable and software.

[S6 Devil]

I will order a cable today. I've seen the software here, do I download each and every one?

https://docs.google.com/file/d/0B4pzeL_TBDYeNTFiNz...

[Basil Brush]

What are the symptoms? Is it displaying odd temps but engine & fans seem ok or other way round?

[black11s]

S6 Devil said:

Just changed the themostat for a 74c one. It hasn't made any difference and the car is still showing between 92 and 104. Could it be the coolant sensor?

Mine has just started doing the same.
I replaced a thermostat a while ago (well, RG did it for me) that was stopping the fans from turning on.
This time, the temperature doesn't seem to go about 104, but even when it does, it then drops back to about 94ish quickly afterwards.
As far as I know, the fans are working correctly.

[S6 Devil]

Basil Brush said:

What are the symptoms? Is it displaying odd temps but engine & fans seem ok or other way round?

Yes, odd temps but engine and fans seem fine. It runs at between 91 and 94 on the move but when stationary slowly creeps up. It got to 110 yesterday when I let it idle at home after a run. I switched it off sharpish! I've ordered a new coolant sensor anyway.

[S6PNJ]

S6 Devil said:

I will order a cable today. I've seen the software here, do I download each and every one?

https://docs.google.com/file/d/0B4pzeL_TBDYeNTFiNz...

Jusr below the title (TuscanDiagnosticSoftware.zip) you should see 'File Edit View Help'
Click on 'File' and select 'download' (bottom link). That will get you the zip file onto your computer, simply uncompress into a suitable folder and run as it stands (IIRC).

[S6 Devil]

S6PNJ said:

Jusr below the title (TuscanDiagnosticSoftware.zip) you should see 'File Edit View Help'
Click on 'File' and select 'download' (bottom link). That will get you the zip file onto your computer, simply uncompress into a suitable folder and run as it stands (IIRC).

Great, thanks.

[Robertjp]

S6 Devil said:

Great, thanks.

remember it doesnt run on post vista machines....

i had to create a virutal box and run win 2000 pro to get the software working and the serial / usb convertor working

Let us know how you get on, PITA having changed the stat and not seen an improvement, hopefully its just a readout delta and the ECU shows different values...

[S6 Devil]

So it won't work on windows xp? I'm not very computer savvy unfortunately!

Edited by S6 Devil on Friday 7th September 15:58

[Basil Brush]

Yes it runs on XP.

[S6 Devil]

Basil Brush said:

Yes it runs on XP.

Thanks. Any feedback on the answer to your earlier question about the symptoms.

"Yes, odd temps but engine and fans seem fine. It runs at between 91 and 94 on the move but when stationary slowly creeps up. It got to 110 yesterday when I let it idle at home after a run. I switched it off sharpish!"

[Hollowpockets]

Changing the thermostat for a lower temp one won't change the ultimate running temp of the engine, just help heat the oil sooner.

Change the sensor, make sure BOTH the fans work and turn on, check for hose leaks, if it's still over 100 regularly , change the radiator! simple.

Anything else is a waste of time, spent months working this out with my T350 and it scolded a layer of skin off my face by blowing a hose in my face while at 90C.