Vehicle & Technical > Defender

Thermostat or Muff needed?

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V8MoneyPit:

--- Quote from: Suvvey on December 23, 2009, 14:24:20 ---Didn't have a thermometer to test it accurately but it seemed to be reluctant to open far even in freshly boiled water.
--- End quote ---

Noooo..... you shouldn't really dump it in boiling water. I understand it can damage them. You should bring the temp up gradually and check it opens before the water boils. in the same vein, ff your car boils for some reason, it is always advisable to change the stat in case it has been damaged.

Suvvey:
Well maybe it was what the doctor ordered as it seems to be working now :lol: Just have to keep an eye on it when the weather warms up and make sure it doesn't start overheating if I have knackered it.
Got up to just over 1/3 on the gauge which is where it usually sits and didn't deviate too much after that. Definately never got down to the cold mark once it had warmed up and the heater was much warmer (notice I didn't use the word 'hotter' :lol:) although admittedly the ambient temp outside is probably 5 or more degrees warmer than it has been.
On the downside I do now seem to have an issue with the sender or possibly the wire from it as there is now the occasional sudden drop in temp on the gauge that is far too fast to be an actual reading. Obviously I did have a good look around the area whilst doing the stat and I did notice that the sender does seem to move very slightly in it's housing which may be the issue, also the spade connector looked like it could of done with a tighten up and probably a clean. I don't think this was the original problem as I can definately feel more heat from the heater but more likely from me knocking around in the engine bay :oops:

Suvvey:
My earlier optimism was short lived and probably self induced as I don't think anything really changed much other than maybe a few degrees warmer outside :roll: Decided to give a muff a try and luckily found an old tent bag that was exactly the right size and even came with clips that fitted the grill in just the right way to keep it secure and tight with no modification :afro: Infact I was very impressed with my quick handywork (aka 'bodge'). Also it did make a lot of difference during road use, keeping the needle above the cold line and usually around the 1/4 way mark. Unfortunately when I went laning on Sunday in particularly cold weather it struggled to get above the line again.
Yesterday I was lucky enough to have to drop my work Td5 off at our not so local independant LR specialist so bought another stat. Fitted it today and thought I'd take the long way home to see if it got up to temp.
I DIDN'T EVEN GET A MILE FROM WORK before it was sitting on the half way mark AND it was -2 outside :shock: Firstly I thought something was going terribly wrong and it was going to over heat but it stayed bang on half way all the way home no matter how fast or slow I was going and even when I parked up for a while it only dropped a fraction. Now this tells me that the old stat had been duff from the moment I first installed it 6months ago as it would only ever just get off the cold mark by the time I'd done the 4 miles to work in the morning and this was during the summer :doh:
Toasty hot in the cab now :dance: So much so I actually had to turn the heat down by the time I got home. Not a day to soon either looking the weather that is meant to be coming in :twisted:

pondy653:
Nice one mate,
Thanks for Sunday by the way you did a stirling job.

TC

bogie:
GO FOR THE MUFF!!!!!!!!!!!!

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