Vehicle & Technical > Defender

temperature sender explanation

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drmike:
Yes I bought the springs and they did the job beautifully - transformed the handling off road and we did very well at the next trial.

I agree about the guages being accurate. I can't stand it when things don't read right. Anyway I bet you need to fit the sender unit to match the guage. I think they are all the same size but I'm not sure. I had the same problem with a V8.

Mike

Xtremeteam:
as u prob no ive just fitted a disco tdi into my 90 which was a n/a diesel before,know the temp guage sits at the bottom of the red when at normal temp & when the fan kicks in at 92 or 95 its at the top of the red,

cant put a defender sender in as the thread is different so was thinking of fitting a tim's temp guage that would read the actual temp of the water or retp the threads but cnt b bothered with the hassle  :lol:

drmike:
Of course you can't get the Disco gauge to fit the Defender which I hadn't thought of.

A friend had a similar problem and fitted a resistor in line to get the needle in the right place. He got the engine nicely warm and as I recall used one of those remote thermometer things to measure the temperature of the block to make sure the engine was running at the right temerature and then tried various resistors until he got one that worked getting the needle in mid range.

I was never totally convinced that this was a good plan but it worked for ages.

Mike

hobbit:
The other way is to fit a mechanical unit rather than electrical, did thid on mine when the rad was not cooling properly, its more accurate, and wont fail if the electrics pack up, just that sometimes you have to search around for the right converter to fit it to your threads

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