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Lumpy rough from cold? 01039 - Coolant Temperature Sensor Idiots guide

kwan88

Full Member
Jan 18, 2003
223
0
Slough
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Thanks, I could even remove the plastic part in front of the oil dip stick. It seems the screws head just wont turn as the screw head is damaged. Any ideas?
 

LEE69

Stage 2 Revo'd
Dec 10, 2004
21,262
74
C\UK\Devon\Torquay
You are talking the two red dots in he below pic?
Or the allen heads into the inlet manifold?

DSCF1727-1.jpg
 

kwan88

Full Member
Jan 18, 2003
223
0
Slough
Visit site
Thanks I could'nt remove the screws. In the end after contacting Seat Windor and Seat Camberley. I settled for specilist called AVIT in slough to perform the work. They did an excellent job and the price was better than both dealers, if anyone needs it doing speak to Sunny at AVIT. Thanks.
 

dougmcdonald

Active Member
Jan 25, 2010
108
0
Holt, Wilts
I also got the green top sensor, o ring and horseshoe clip for ~£8 from ebay, fitted in ~15 mins and I'm rubbish under a bonnet!

The guide is superb, took a little gentle 'prizing' to get the horseshoe clip off and whilst that came off in one piece, replaced it anyway.
 

Deleted member 35176

Guest
Do you need to disconnect the car battery before doing this work??
 

mikey-P

Guest
trying to change the coolant temp sensor on my mk1 leon 1.9tdi at the moment, but really stuck with getting the electrical plug off the back of the old sensor. how do they unclip (getting the sensor out doesnt look to be a problem).
thanks for the otherwise excellent post.
 

Muttley

Catch that diesel!
Mar 17, 2006
4,987
31
North Kent
I wrote a little guide for this ages ago, but it seems to have vanished.

The connectors lock very firmly together and the locking clip isn't always obvious. In the example below I've used the brake fluid cap as a subject, because it's easy to see and it's yellow.

The assembled connector looks like this

Connectassy.jpg



You need to pull the locking clip backwards to release the connector.

Pulltheclip.jpg


The disassembled connector looks like this.

Lockingtab.jpg

Closeupconn.jpg


End-on, the wiring plug shows a bit more detail of how the locking clip is formed.

Conn-end-on.jpg
 

B3NZARMY

Bananarama
Feb 7, 2013
149
0
Great guide.I was worried about bleeding the air lock out after sensor renewal but seems you don't need too.
Thanks.
 
Jan 15, 2022
7
0
York
I am unable to access pictures from help guide of Wovotim. Also I am struggling to find location of Coolent Temperature Sensor for Seat Alhambra 2011 CR 1.9 TDI. Attached are pictures. Appreciate if you can help
 

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