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Sold
by simon8201 - 09/09/26 01:46 PM
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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Jun 2014
Posts: 29
Just Getting Started
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OP
Just Getting Started
Joined: Jun 2014
Posts: 29 |
Hi,
Recently a group of Morgans attended the Sky Live event at Teesside Airport. There was a long queue to get in and one car (2002 4/4 with an 1800 Zetec engine) overheated when the fan failed to start. The owner has since wired the fan to an on/off switch as a temporary measure. He wants to change the temperature sensor but he cannot find it anywhere on the radiator or engine.
Anyone any clue as to where it is and what it looks like.
Many thanks if anyone can help
David
David
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Joined: Jul 2007
Posts: 27,836 Likes: 761
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 27,836 Likes: 761 |
Usually it is at the bottom of the rad with 2 wires poking out.
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Jul 2012
Posts: 1,616 Likes: 1
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jul 2012
Posts: 1,616 Likes: 1 |
Go to Car Builder Solutions website and put a sensof in the top hose. Then it can be changed easily.
John
1992 plus4 connaught green
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Joined: Aug 2013
Posts: 3,383 Likes: 14
Talk Morgan Addict
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Talk Morgan Addict
Joined: Aug 2013
Posts: 3,383 Likes: 14 |
Might be wise to try a local Ford garage and ask if they can advise, some of these Ford engines have more than one, one works the gauge and the other sends information to the ECU for fuel trim data. Important they are all working as you don't want the ECU thinking the car is cooler than it is and richening the mixture to the point where it may over fuel. Some later cars have three sensors. The same place can probably supply a genuine part easier than a factors.
BR Colin
Who used to be a Spanner Juggler
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Joined: Feb 2010
Posts: 1,415
Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
Posts: 1,415 |
The blacktop Zetec engine coolant fan is ECU controlled.
This isn't the first time I've heard of the ECU fan control failing.
The only (sensible) option is to rewire the fan through a manual switch or to have a boss welded into either the radiator or the top radiator hose to allow a thermo-switch to be fitted
Simon @ SiFab.co.uk
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Jul 2011
Posts: 1,246 Likes: 30
Has a lot to Say!
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Has a lot to Say!
Joined: Jul 2011
Posts: 1,246 Likes: 30 |
Just a word of warning. Fans " pull" a bit of current. You need a switch & wireing that can take that current. Most off the shelf switches will burn out so a safer option is to use a solenoid.
4/4 Ivory 4.1:1 axle, Mercedes A200 AMG
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Joined: Dec 2011
Posts: 1,943
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Dec 2011
Posts: 1,943 |
On a 2005 Roadster, I wired in a Flexilite Thermostat controlled switch with a sensor that is installed in the upper hose. Used #10 wire and no relay. This was supposed to be a temporary fix until the Owner could visit a Ford Dealer. 2 years later and it is still in use.
I think the problem was a faulty connector but not sure.
Button
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