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speedometer drive again Posted by gta [Email] (#3019) [Profile/Gallery] (more from gta) on Mon, 21 Feb 2022 10:19:59 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Read so many threads on this but am still having trouble!
The patient is my '97 9000 CSE, where the speedo and all associated data (odometer, fuel consumption, etc) stopped working on a weekend trip. When I got back yesterday I tested for signal at the back-of-speedo connector, and also swapped in a spare speedometer - nothing. So I assume it's either the sending unit or the gears. I'm going to hope for the best that it's just the easily-replaceable plastic gear on the sender, and not the deeply-buried one!
My problem is this - I found the sender on the differential, and was able to clean the area off and remove the little hold-down bracket (T-27 screw), but for the life of me I can't get the sender out. It will rotate 10-20 degrees freely but simply won't come out, either by hand or with some judicious prying with a screwdriver.
Everything I've seen suggests this should just pull out, but never having done it I don't really know. Looking at it, I'm not even sure that the hold-down bracket is relevant for pulling the sender - the EPC seems to show this holding down the sleeve for the plastic gear.
So what holds the sending unit in?
With it being stuck like this, should I be trying to remove the sender along with the sleeve and gear? What holds the sleeve down having removed the hold-down bracket - just rust and accumulated grunge?
Since I'm trying to do this in my MN driveway (garage being full of dismantled C900 project) I might end up taking it to my mechanic, but it seems a bit lame to give up having got this far...!
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