Speed sensor - Dodge Cummins Diesel Forum
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post #1 of 8 (permalink) Old 07-16-2010, 03:17 PM Thread Starter
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Speed sensor

Howdy all,
I have a 2001 dodge and between 45 and 50 it was jumping in and out of overdrive real fast. Speeding up would stop it or just taking it out of OD. After reading in various threads, I gathered that the speed sensor was the most likely cause so I replaced it with a new. Sure enough that did the trick. The old one was covered with real fine metal powder. Been about 2 to 3 years since I had the TC replaced and all.
Question, is the old sensor still good if I clean it off or should I just trash it?
Thanks


2001 Dodge Cummins,SLT Laramie, 2500 Auto, 4X4 Quad Cab LB, just recently installed vulcan pusher pump kit, a big plus. Amsoil all the way with remote oil filter and by-pass filter(Amsoil dealer), Walbro 392 lp. Rebuilt VP44 @ 73000 mi. Banks exhaust brake.
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post #2 of 8 (permalink) Old 07-16-2010, 08:49 PM
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My 98 12V is doing exact this. Im going to the parts store right now to get a new sensor. Thanks a ton for this post, ive been pulling my hair out trying to get the trans shop to diagnose the issue, but when I take it there, the truck behaves! lol

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'86 Mustang N/A SBF "The Drager"
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post #3 of 8 (permalink) Old 07-20-2010, 04:30 PM Thread Starter
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Speed Sensor on trans.

Question, is the old sensor still good if I clean it off or should I just trash it? Have replaced with new one.
Thanks

2001 Dodge Cummins,SLT Laramie, 2500 Auto, 4X4 Quad Cab LB, just recently installed vulcan pusher pump kit, a big plus. Amsoil all the way with remote oil filter and by-pass filter(Amsoil dealer), Walbro 392 lp. Rebuilt VP44 @ 73000 mi. Banks exhaust brake.
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post #4 of 8 (permalink) Old 07-20-2010, 06:38 PM
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Try it... Did you have problems with the cruise control at all from the sensor?

2001 3500 2wd dually-juice with att-100 horse dap injectors-fass 95-1/2" lines from tank to IP-ATS propane-40 pound tank-full set of guages-nv 4500-4:10 gears, bhaf, centerforce clutch, 4" exhaust str8 pipe, stacking w/ smarty soon.
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post #5 of 8 (permalink) Old 07-20-2010, 07:43 PM Thread Starter
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Quote:
Originally Posted by rmk4ever View Post
Try it... Did you have problems with the cruise control at all from the sensor?
None that I recall.....

2001 Dodge Cummins,SLT Laramie, 2500 Auto, 4X4 Quad Cab LB, just recently installed vulcan pusher pump kit, a big plus. Amsoil all the way with remote oil filter and by-pass filter(Amsoil dealer), Walbro 392 lp. Rebuilt VP44 @ 73000 mi. Banks exhaust brake.
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post #6 of 8 (permalink) Old 07-23-2010, 05:02 PM
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I have a code 0500. I checked with the key trick because I was pulling my trailer and the tranny was searching a little but the road was kind of bumpy so I wasn't too sure.
Aren't there two speed sensors on the tranny/transfer case and one on the rear differential? I haven't seen any other symptoms since but I will replace all three. There only 20 or so bucks apiece. Which sensor did you guys replace and how the hell does the one on the differential come out? Screwdriver? Sledge? Chainsaw?HELP!

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post #7 of 8 (permalink) Old 07-23-2010, 05:30 PM Thread Starter
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Quote:
Originally Posted by markkerkof View Post
I have a code 0500. I checked with the key trick because I was pulling my trailer and the tranny was searching a little but the road was kind of bumpy so I wasn't too sure.
Aren't there two speed sensors on the tranny/transfer case and one on the rear differential? I haven't seen any other symptoms since but I will replace all three. There only 20 or so bucks apiece. Which sensor did you guys replace and how the hell does the one on the differential come out? Screwdriver? Sledge? Chainsaw?HELP!
I just changed the one on the back of the trans. on the driver's side. Don't know about the others, haven't really looked for them.

2001 Dodge Cummins,SLT Laramie, 2500 Auto, 4X4 Quad Cab LB, just recently installed vulcan pusher pump kit, a big plus. Amsoil all the way with remote oil filter and by-pass filter(Amsoil dealer), Walbro 392 lp. Rebuilt VP44 @ 73000 mi. Banks exhaust brake.
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post #8 of 8 (permalink) Old 07-23-2010, 09:56 PM
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Mine is still doing it from time to time even after the sensor on the trans was replaced. I think ive got bigger issues. Thinking my converter may be on its way out.

'98 CTD 2WD auto "The hauler"
'86 Mustang N/A SBF "The Drager"
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