Question about Cars & Trucks
I have a (@ ford f150 the rear ABS light is on and the speedomiter and odomiter does not work I changed the rear abs sensor and still nothing works?? how do i fix this ?
You don't install parts in an attempt to fix,
you use the codes & factory diagnostic manuals
to diagnose & resolve
Posted on Nov 09, 2012
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Posted on Jan 02, 2017
the rear one is a single sensor and is located in the top of the rear differential , unplug it and take the retaining bolt out and it pops straight up out of the differential. the front has 1 for each wheel,and is located on the backside of the wheel hub. take the tire off and look on back side of hub it should be the only sensor thare and is anchored with one bolt then just fallow the wire to its disconnect point. this vehicle is known to have problems with the rear sensor so i would replace it first and see if this fixes the problem
Posted on Feb 02, 2009
SOURCE: abs light wont go out
When u power up the vehicle ABS does a self test(light stays on a few seconds then cuts off) and if it see's a problem will shut off and illuminate the ABS lamp. It will also do a second test on iself when you reach a speed of around 12-15 mph,it will run the pump for a few seconds to check pressure and look at the speed sensors,if it see a problem here it will again shut down and illuminate the ABS light.
Now if the red brake lamp is on then it will shut down because it thinks you have a hydraulic concern and will not try and run ABS if this is the case.
If red brake lamp is on most likely if you have good brakes it is a problem with the float sensor in the master cylinder reservior,maybe its bad or just stuck,or just low on fluid.
Posted on Feb 12, 2009
i will explain this in the best manner that i can
it may take a couple of post but i will get it all ok
There are many things that can cause your ABS light to come on. Some are serious, so you should never just ignore the light. But there are times when the light comes on and can be met with a simple solution. For instance, a dirty ABS wheel sensor can cause the system to trigger the ABS light during self evaluation. You'll be shocked when you see how much road gunk can accumulate on this very important sensor. Even if your ABS light hasn't made an appearance, it's a good idea to clean the sensor. A good time to do it would be during brake pad replacement when you have the wheels off anyway.
What You'll Need:
Locate the ABS wheel sensor. Remove the bolts that attach it to the rest of the suspension. You may also need to remove a few bolts to pull the sensor away from the vehicle for cleaning. Follow the line to see if there are more bolts. Remember not to force it or pull too hard. Then along the line theres another two 10mm bolts, that need to be removed, just follow the abs sensor line to get at them. With the sensor free, take your rag and wipe the sensor until its clean. I prefer not to use any chemicals on the sensor to avoid potential problems. If you need to, use mild soapy solution and rinse well. Reinstall the sensor in the same manner it was removed.
Posted on Jan 03, 2010
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