ABS Light on....
Thread Starter
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Senior User
Joined: Sep 2007
Posts: 197
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ABS Light on....
Gents, Looking for some knowledge.
My ABS came on and stayed on when I started my truck this morning.
Its never done that in the past, so obviously something is up.
What should I be checking? I dont notice any difference in the breaking ability.
My ABS came on and stayed on when I started my truck this morning.
Its never done that in the past, so obviously something is up.
What should I be checking? I dont notice any difference in the breaking ability.
Senior User
Joined: Dec 2007
Posts: 449
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i would d the old cheapy test. find a gravel patch and floor the brakes. if the abs is working, the brakes wll pulsate. if it isnt wrking, the wheels will just lock up and slide. but thats me, i always try the easy cheap way first before running all over the place like a chicken with its head cut off.
Posting Guru
Joined: Sep 2004
Posts: 1,119
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From: Hamilton, MT
What kind of events trigger an ABS light? Just curiouse cause mine came on when I was sliding backwards on some ice trying to get up a hill.......oh and I switched to 4wd high while the rear tires were spinning and when the hubs kicked in I got a grinding sound. I think it was cause I was giving it a little gas and the rears were spinning while I swithched it to 4wd hi but I dont know if that could trigger the ABS light. Anyone know? sorry to hi-jack the thread.
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Senior User
Joined: Sep 2007
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Thanks..
Sounds like I need to invest in a scanner.
Im wondering the same things as Jvoigt is myself....what triggers an ABS light usually?
Sounds like I need to invest in a scanner.
Im wondering the same things as Jvoigt is myself....what triggers an ABS light usually?
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Post Fiend
Joined: Feb 2007
Posts: 7,191
Likes: 4
From: Blairsville,Ga
Originally Posted by RckyMntnKng
Thanks..
Sounds like I need to invest in a scanner.
Im wondering the same things as Jvoigt is myself....what triggers an ABS light usually?
Sounds like I need to invest in a scanner.
Im wondering the same things as Jvoigt is myself....what triggers an ABS light usually?
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Elder User
Joined: Jan 2007
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Originally Posted by RckyMntnKng
I had someone tell me that 9 out of 10 times on the superdutys when you get an ABS light you are losing a wheel bearing.....Gosh I hope that isnt it.
ABS Light On, and Transmission Slippage. Vehicle Speed Sensor located on the Pumpkin of the Rear-End Differential. 10 min fix, $20 part.
Post Fiend
Joined: Feb 2007
Posts: 7,191
Likes: 4
From: Blairsville,Ga
Originally Posted by RckyMntnKng
So I could replace the sensor for $20, which is likely the culprit, and maybe get away without buying a scanner this go around?
Just ask for a 01 Superduty ABS sensor at a parts house?
Just ask for a 01 Superduty ABS sensor at a parts house?
I got mine a dealer was less than $20 napa has them for about the same
these sensors are known togo bad
Postmaster
Joined: Mar 2001
Posts: 4,968
Likes: 3
From: So Cal
Not sure for your model year, but on my 94 F250 with 460, whenever I work on the passenger side of the engine... about half the time I dislodge one of the vacuum lines going to the Air conditioner box against the fire wall. These vacuum lines will make several weird things happen depending on which one it it. SOmetimes the line will cause the ABS to go out. Plugging the line back in usually fixes it and it is a freebie.
But usually the Speed sensor is what causes the ABS to go out. Usually the speedo will either not work or will jump around a lot when the sensor is bad.
Good Luck,
Jim Henderson
But usually the Speed sensor is what causes the ABS to go out. Usually the speedo will either not work or will jump around a lot when the sensor is bad.
Good Luck,
Jim Henderson
