Testing coolant temp sensor
Sep 11, 2012 | 01:01 PM
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Joined: Jul 2011
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From: Argyll
Testing coolant temp sensor
As title lads after some info used the search and couldn't find anything?
Cheers, Paul
Sep 11, 2012 | 07:50 PM
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Joined: Jul 2011
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From: Argyll
Sep 11, 2012 | 09:11 PM
Joined: Jun 2008
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From: Under the thumb
Id like to know how to test the fan switch?
Sep 12, 2012 | 11:47 AM
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Joined: Apr 2008
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From: Essex
Put em in a saucepan, slowly heat the water up to boiling. Use a thermometer and see when they activate using a multimeter i guess?
Sep 12, 2012 | 12:37 PM
Joined: Dec 2007
Posts: 8,460
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You replace, for the CTS you would need to know the resistance VS temp scale, for the price you would just buy a new one.
For the fan switch you can check the continuity of a hot engine or heat up a saucepan, as said.
Martin
Sep 12, 2012 | 06:41 PM
Joined: Jun 2008
Posts: 2,704
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From: Under the thumb
Quote:
Originally Posted by
martysmartie
You replace, for the CTS you would need to know the resistance VS temp scale, for the price you would just buy a new one.
For the fan switch you can check the continuity of a hot engine or heat up a saucepan, as said.
Martin
Quote:
Originally Posted by
Rogeyboy
Put em in a saucepan, slowly heat the water up to boiling. Use a thermometer and see when they activate using a multimeter i guess?
Explain please??
Sep 15, 2012 | 12:09 PM
Joined: Dec 2007
Posts: 8,460
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Quote:
Originally Posted by
adam151082
Explain please??
By placing the end of the switch is a saucepan of water of a suitable temperature, you are simulating the coolant reaching this temperature, therefore giving a resistance/continuity value on a multimeter connected as the switch closes.
Martin
Sep 15, 2012 | 05:11 PM
Joined: Jan 2007
Posts: 9,185
Likes: 25
From: Suffolk
Using a miltimeter to meassure resistance...
Coolant:
5C........ 71900
36C...... 18300
100C..... 2000
So... In the fridge, under your armpit and in boiling water
lol
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