VSS makin me crazy
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Mountain Pass
Joined: Apr 2020
Posts: 242
Likes: 31
From: NC Mountains
VSS makin me crazy
To my more learned friends here, I have been stumped. Some time back I was having ele. issues, a mechanic said sometimes the vss can be bad. So I got one from NAPA, installed it and the speedo from about 45+ was bouncing like drummer in a hard rock band. So that wasn't the problem with my other ele. issues, reinstalled my original and all better. Some months later I got another one from different parts supplier and same issue.. Just looking at them the only difference was the original "probe" was smooth and round. The new ones had a "Scallop" type design around the "probe" Has anyone experienced this. I'm not sure If there are any different mfg.s that would work. My original is working now so this would be for future reference. Thanks
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Mountain Pass
Joined: Apr 2020
Posts: 242
Likes: 31
From: NC Mountains
I changed it to new,, back to original,, got another new changed it then changed it back to original again, all using dielectric grease. It only screws up with a new vss and from different stores and different brands, !- NAPA and 2. Car Quest. I am wondering if any new one will work?? might try Ford Parts to see if theirs is any different. Lucky that my original still works I guess just trying to solve the problem before there is one.
Fleet Mechanic
Joined: Aug 2015
Posts: 1,838
Likes: 364
From: Candy Mountain
I would advise you to stop using dielectric grease in electrical connectors and get electrical grease such as Motorcraft XG-12.
Last I looked this part is still available from Ford. I do know that the the sensor has to be the right distance from the tone ring or it won't work properly.
Last I looked this part is still available from Ford. I do know that the the sensor has to be the right distance from the tone ring or it won't work properly.
Thread Starter
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Mountain Pass
Joined: Apr 2020
Posts: 242
Likes: 31
From: NC Mountains
Thanks for the input on the diele. grease. Next time I get under the beast I'll take out the original and measure from base of probe up to the mounting surface and check it against the 2nd one I bought and have not returned yet.
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