RX7Club.com - Mazda RX7 Forum - Speedometer sensor missing cap

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marksae

Apr 25, 2020 01:55 AM

Speedometer sensor missing cap

So in the process of replacing my tranny output seal, I found my speedometer sensor was missing its cap. Exposing all the grease inside. Has anyone seen this issue before? I did some searching, but didn't find anything.

Could exhaust heat have caused this? My car has an aftermarket downpipe with no heat wrap on it.

https://live.staticflickr.com/65535/...1d2943a2_c.jpg

cr-rex

Apr 25, 2020 02:51 PM

re pack it with black rtv. it will be fine. its the same thing that happens to the knock sensors. no problem

DaleClark

Apr 25, 2020 04:15 PM

Yeah there's not a cap or anything on it, just a potting compound that leaks like the knock sensors do. As stated, fill with black RTV and go.

Dale

marksae

Apr 26, 2020 06:20 PM

Quote:

Originally Posted by DaleClark (Post 12407608)

Yeah there's not a cap or anything on it, just a potting compound that leaks like the knock sensors do. As stated, fill with black RTV and go.

Dale

Great! Thanks for the info.

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