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Calling TDi300 EDC owners - I need your help


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Guest DiscoTD4
Posted

and EGR owners too...

if anyone has access to a multimeter I need to know what the resistance is of the coolant temp switch (the one on the cylinder head under the sound proofing) on a cold engine at say 0 degC

A reading at running temp would be great as well if possible.

Cheers

Posted

You could have called the 300tdi EGR owners as well.

Here are the values from the OEM datasheet:

Electrical resistance at –10°C = 8.26…10.56 kΩ

Electrical resistance at +20°C = 2.28…2.72 kΩ

Electrical resistance at +80°C = 0.290…0.364 kΩ

Guest DiscoTD4
Posted
You could have called the 300tdi EGR owners as well.

Here are the values from the OEM datasheet:

Electrical resistance at –10°C = 8.26…10.56 kΩ

Electrical resistance at +20°C = 2.28…2.72 kΩ

Electrical resistance at +80°C = 0.290…0.364 kΩ

Brilliant many thanks - I don't suppose you have the figures for in between temps by any chance - say 0 deg C ?

Cheers

Posted

No, there are no other values.

But in that temp range, -10 ... +20 C, the characteristic curve is quite linear so you can use linear interpolation to get some values for 0 C (use the middle points for the resistance ranges given).

Guest DiscoTD4
Posted
No, there are no other values.

But in that temp range, -10 ... +20 C, the characteristic curve is quite linear so you can use linear interpolation to get some values for 0 C (use the middle points for the resistance ranges given).

OK cheers, I'm drawing the graph now....

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