hosed
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Joined: Feb 2001
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hi
I have a f250 SD v10 auto with 60k mi
no problems until now ????
With in one day, service engine light and abs light came on
my automatic Trans started to not working correctly.
It shifts out of 1st gear late and very hard all the other
shifts seem to be ok. On top of all that the speedometer does not
work until about 25-30 mph just stays at zero ( also just
happened). I think the abs light might be due to
brake pads needed to be changed, the brake fluid is ok and it
stops ok (I am assuming the computer senses the brake pad some
how). does anybody have any Idea what's going on ???
lost .... gregg
I have a f250 SD v10 auto with 60k mi
no problems until now ????
With in one day, service engine light and abs light came on
my automatic Trans started to not working correctly.
It shifts out of 1st gear late and very hard all the other
shifts seem to be ok. On top of all that the speedometer does not
work until about 25-30 mph just stays at zero ( also just
happened). I think the abs light might be due to
brake pads needed to be changed, the brake fluid is ok and it
stops ok (I am assuming the computer senses the brake pad some
how). does anybody have any Idea what's going on ???
lost .... gregg
Mountain Pass
Joined: Jun 1999
Posts: 224
Likes: 2
hosed
From what I've been told, the trucks speed sensor and rear antilock brake sensor is one in the same. It's that little thingy that the wires go to on the rear differential. I just read a post about a dog chewing on the one guys. So, you might want to start by checking that out. I've also heard that it's a $200 part.
Good luck
J.C.
Good luck
J.C.
Junior User
Joined: Mar 2001
Posts: 55
Likes: 0
hosed
I'm nearly certain that the transmission gets it's speed from what is called a "TSS" or turbine shaft speed sensor. the differential sensor is only for abs! the reason the ABS light came on is because the ABS module does not see vehicle speed. I think the sensor your looking to find a problem with is on the transmission or transfer case (if it is 4x4). the sensor sends its signal in HZ, so use the correct meter to measure HZ and go to the sensor first. approx 1100 HZ at 50mph. it is usually the mechanical part of the sensor that fails (the gear on it) Good luck, hope this helps Brent
THE SURGEON GENERAL NEVER SAID A THING ABOUT SMOKIN' A CHEVY!!
THE SURGEON GENERAL NEVER SAID A THING ABOUT SMOKIN' A CHEVY!!
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