Author Topic: pyrometer probe  (Read 12489 times)

March 13, 2026, 12:49:42 pm

w1004thw

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pyrometer probe
« on: March 13, 2026, 12:49:42 pm »
Where and how do you place a pyrometer probe in the 1.6 td exhaust?  I am thinking of placing it before the turbo, but where does it go, or where is the best pace, and how do you do it? 
Thanks

Reply #1March 13, 2026, 02:06:38 pm

ORCoaster

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Re: pyrometer probe
« Reply #1 on: March 13, 2026, 02:06:38 pm »
Mine is mounted about 2 inches past the turbo exhaust flange.  On the pipe with a bung welded on there that the EGT probe inserts into.  Some sensors come with a strap-like thing that you just drill a hole into the exhaust pipe and slip it in, and then tighten the strap to hold it in place.  I think there was some way to seal it off to keep the exhaust in the pipe and out of the engine bay.  The best mount is threaded.

Reply #2March 14, 2026, 04:46:53 pm

fatmobile

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Re: pyrometer probe
« Reply #2 on: March 14, 2026, 04:46:53 pm »
I probably shouldn't have but I put it through the bolt hole on one of mine.
But it never caused a problem:

egt by vwfatmobile, on Flickr

 Sooo somewhere in that area.
Tornado red, '91 Golf 4 door,
with a re-ringed, '84 quantum, turbo diesel, MD block