Question about 2000 Ford F150 Flareside SuperCab
Ok so the code says my speed sensor is bad. it shows a sensor that is like 4'' long. I can not find this sensor anywhere on my trans.
I replaced the ABS/ speed sensor on the rear end chunk.
Can anyone tell me where this one is? My trans seems to be a Borg 4406
If this helps, please rate as fixya. thanks.
Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 43) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.
For the 4R70W trans vehicles
Vehicle Speed Sensor (VSS)
The vehicle speed sensor (VSS) is model dependent. Possible sources of vehicle speed input are, anti-lock brake sensor (ABS), a gear-driven vehicle speed sensor (VSS), or the transmission output shaft speed (OSS) sensor. On 4x4 applications with a manual shift transfer case, the transfer case speed sensor is the source of vehicle speed. The VSS signal is either an AC signal whose frequency changes with vehicle speed, or an SCP data message depending on the source. Some vehicles have both. The vehicle speed signal is an input to various vehicle sub-systems such as the powertrain control module (PCM), instrument cluster (speedometer and odometer), speed control systems, etc. The vehicle speed source must be operational to enter output state control mode for diagnostics.
If you have a 4R100 trans, it is different.
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
SOURCE: rear axle leaking
Block the front tires. Break the rear lugs loose. Jack up the rear of the truck at the center if possible. remove the wheels & brake drums. Remove the brake shoes,return springs & all the other hardware. Remove the differential cover & drain oil. If you have a posi the next step sucks. You need to remove the threaded pin from the housing & remove the axle retaining clips. All the while,being carefull of the spring in the posi unit. If no posi,then same procedure,minus the "pucker factor". After the axle is out,take a large flat blade screw driver or pry bar & pop the seal out. Keep in mind the axle bearing is probably gone too , so that's another procedure. Keep it apart,you'll be glad you did.
Posted on Jun 23, 2009
SOURCE: abs light on
I'm a Ford service adviser. There are many reasons for the
abs warning indicator to come on. The usual cause is from a
faulty speed sensor. Either a wheel speed sensor or the
differential speed sensor. I don't think the light is related to your vandalism. You might want to take the truck to an auto parts store and have them read the codes for you. Most auto parts stores will do this for free.
Posted on Jun 23, 2008
The way that I usually test coils or plug wires is to use an insulated plug wire puller and pull each plug wire (one at a time) to see if the engine speed changes. If you disconnect one wire and nothing changes, you probably have found the defective wire or coil.
You can also use a plug wire tester (neon type) to see if you have a spark. Can also hook up a timing light to a coil wire and it will trigger if coil is good. It will not work if coil is bad.
Posted on Apr 27, 2009
Check the "U-Joints" on the drive shaft and or rear wheel/axle bearings.
You MAY need a little help as the wheel(s) needs to be of the ground to check axle bearing. Grasp top and bottom of the tire and wobble it in and out.
Posted on Dec 20, 2009
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