- Ford Speed Sensor Gear
- Vehicle Speed Sensor 96 Ford Escort Manuals
- Vehicle Speed Sensor 96 Ford Escort Manual Transmission
- Ford Vehicle Speed Sensor Location
- Ford F150 Speed Sensor Location
- Ford Transmission Speed Sensor Location
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These recommendations do not cover all possibilities. They are some things to check before you have your transmission rebuilt. Always check transmission fluid level first. Always run a scanner on any computer controlled transmission. On modulated transmissions make sure they have enough vacuum.
FORD VEHICLES
FIND THE MAKE OF YOUR VEHICLE
CLICK ON THE YEAR OF YOUR VEHICLE
| Aerostar | 1982-86 C5 | 1985-95 A4LD O/D | 1996-97 O/D 4R44E/4R55E |
| Bronco | 1978-91 C6 | 1985-93 AOD O/D | !994-96 E4OD |
| Bronco II | 1984-90 A4LD O/D | ||
| Contour | 1995-00 CD4E | ||
| Cortina | 1974-87 C4 | ||
| Crown Victoria | 1983-92 AOD | 1993-94 AODE | 1995-08 4R70W / 4R75E |
| Escort | 1981-90 ATX | 1991-95 4EAT | |
| Excursion | 2000-2006 4R100 or 5R110W O/D | ||
| EXP | 1982-88 ATX | ||
| Expedition | 1997-2003 5.4L E4OD - 4R100 | 1997-06 4.6L 4R70W/ 4R75E | |
| Explorer | 1995-96 4R44E/4R55E | 2002-2008 5R55W/S 4.0 or 4.6L ( No Fill Tube) | 1996-05 5.0Lor 4.6L 4R70W |
| F-150 -F-450 | 1965-83 C4 3Spd | 1968-96 C6 3Spd | 1989-05 4SPD E4OD/4R100 |
| 1993-2008 4R70WO/D | 2003-2009 5R110W 5 SPD | ||
| Fairlane | 1964-70 C4 /C6 | ||
| Fairmont | 1978-83 C4 / C5 | ||
| Falcon | 1965-74 C4 | ||
| Focus | 2000-2008 4F27E | ||
| Freestar | 2004-2007 4F50N | ||
| LTD | 1975-80 C4 | 1975-80 C6 | 1980-86 AOD |
| Mustang / II | 1966-81 C4 | 1980-93 AOD O/D | 1994-2005 4R70W O/D |
| Pinto | 1971-80 C3 / C4 | ||
| Probe | 1989-96 G4A-EL | 1995-97 CD4E | |
| Ranchero | 1965-79 C-4 | 1977-79 C-6 | |
| Ranger | 1985-94 A4LD | 1997-2006 5R55W/S ( No Fill Tube) | |
| Taurus | 1986-90 4spd AXOD | 1991-01 AXODE- AX4S | 1995-2007 AX4N/4F50N |
| Tempo | 1984-94 ATX |
| Thunderbird | 1968-86 C-4 -C-5 | 1968-79 C-6 | 1980-92 AOD |
| 1993-97AODE and 4R70W | 2002-2006 5R55W/S ( No Fill Tube | ||
| Torino | 1968-78 C-4 | 1968-78 C-6 | |
| Van | 1965-77 3 SPEED C-4 | 1975-93 3 SPEED C-6 | 1983-90 AODO/D |
| 1989-2008 E4OD or 4R100 O/D20 Bolt Pan 4.6/5.4L | 1995-2008 4R70W/4R75W O/D 4.6L / 5.4L | 2004-2008 5R110W 5 SPD 6.0/6.8L F-350 | |
| Windstar | 1994-00 AX4S 17 Bolt Pan | 2001-2004 AX4N 19 Bolt Pan |
New Speed Sensor from 1AAuto.com 1A Auto shows you how to remove, install, change or replace a rusted or defective tran. The vehicle speed sensor (VSS) on your Ford vehicle is an electronic device that measures your vehicle’s speed. This information is sent to the electronic computer module (ECM), where it is shared with other vehicle systems that depend on this data. The function of several of your vehicle’s systems depend on data from the VSS and ECM, such.
A4LD
This transmission is a rear wheel drive 4 speed automatic. Common symptoms are erratic shifting, hesitating going into gear and losing transmission fluid without a trace of a leak. You have a modulator on the passenger's side of the vehicle pointing towards the driver's door. Pull the rubber line off the modulator and see it trans fluid comes out of the line. Now, if it does your modulator is no good. It can cause any of the above symptoms. If the vehicle speed sensor goes bad it can cause a no 4th gear symptom.
You also have band adjustments on this trans. Make sure they adjust them when your transmission is serviced. I recommend that you always replace the boost valve when rebuilding any Ford transmission.
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CD4E / G4AEL / 4EAT / AX4S /AX4S /AX4N
The transmissions above are 4 speed front wheel drives. They are all computer controlled. If your transmission starts shifting erratic or not at all, then make sure you or a shop run a scanner on the vehicle.
You want to see if you have a sensor that has gone bad, causing your problems. The vehicle speed and transmission range sensors like to go bad on vehicles with these transmissions in them. So keep that in mind.
I recommend that you always replace the boost valve when rebuilding any Ford transmission.
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E4OD / 4R70W / AODE
The transmissions above are rear wheel drive 4 speed automatics that are all computer controlled. Common symptoms are overdrive light flashing, trans shifting erratic, slipping or not shifting at all. external sensors on the vehicle like the manual lever position sensor or throttle position sensor or vehicle speed sensor, quite often go bad causing these symptoms.
Always run a scanner first to see if a sensor is causing your problem. I recommend that you change the transmission fluid about every 12,000 to 15,000 miles. These transmissions can develop a symptom called torque converter chatter. The vehicle feels like you are running over railroad tracks when the torque converter locks up between 35-50 miles per hour. There are also valve body recalibration kits you can have installed to help prevent this before it occurs, or while your transmission is being rebuilt. The manual lever position sensors like to go bad on vehicles with these transmissions.
I have seen a number of wire harness connectors that go bad and start seeping trans fluid up through the connector where the trans wire harness plugs into the transmission mostly on the 4R70W. Keep that in mind if you are having a problem. Upgraded Cast iron planetaries are now available for heavy trucks or motor homes with E40D style transmissions. I recommend that you always replace the boost valve when rebuilding any Ford transmission.
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C3 / C4 / C5 / C6
The transmissions above are rear wheel drive 3 speed automatics. Common symptoms are: erratic shifting, slipping or losing trans fluid without a source of a leak.
You have a modulator on the rear of the transmission on the C4 / C5 and the C6 units. The modulator is on the passenger's side of the transmission on the C3. Pull the vacuum line off the mod. If fluid comes out of the vacuum line your modulator is not good.
Make sure your bands get adjusted when you service your trans. Make sure they do not lose your little spring and plunger that is under your filter on C4, C5 and C6 styles. This will cause unusually early and soft shifts.
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ATX
This transmission is a front wheel drive 3 speed automatic. Common symptoms are: Early soft, late hard shifts or no shifts at all. Listen up because this problem happens all the time.
Always check the throttle pressure rod that goes from your transmission to your carburetor or throttle body linkage. This controls shift points and often the plastic little bushings that hold it on, get brittle from the heat, breaks into pieces and falls off causing symptoms above. Good Luck!
I recommend that you always replace the boost valve when rebuilding any Ford transmission.
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AOD
This transmission is a rear wheel drive 4 speed automatic and shift timing is controlled by a throttle pressure rod or cable that connects from the transmission to the carburetor or throttle body. Listen up again because this problem happens all the time. Always check the throttle pressure rod that goes from your transmission to your carburetor or throttle body linkage.
This controls shift points and often the plastic little bushings that hold it on, get brittle from the heat, breaks into pieces and falls off causing symptoms above. Good Luck!
I recommend that you always replace the boost valve when rebuilding any Ford transmission.
Ford Speed Sensor Gear
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AXOD
This transmission is a front wheel drive 4 speed automatic and shift timing is controlled by a throttle pressure cable that goes from the transmission to the carburetor or throttle body.
Always check this item first. If you do have to have your transmission rebuilt, make sure whoever rebuilds it, makes a modification called full time lube. This modification gives your transmission better trans cooler flow. You want to have at least 1 quart in 20 seconds, when vehicle is hot, on your return line from your trans cooler (radiator), to your transmission.
I recommend that you always replace the boost valve when rebuilding any Ford transmission.
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4R44E / 4R55E
These transmission are rear wheel drive 4 speed automatics, that are all computer controlled. Common symptoms are overdrive light flashing, transmission shifting erratic, slipping or not shifting at all. External sensors on the vehicle like the throttle position sensor or vehicle speed sensor quite often go bad, causing these symptoms. If you screw the force motor in 1/2 turn the transmission has better shifts and engagements.
I recommend that you always replace the boost valve when rebuilding any Ford transmission.
Always run a scanner first to see if a sensor is causing your problem.
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5R55 N/S/W
These style transmissions do not have fill tubes to commonly check the trans fluid level. This transmission has a common problem of the case bores wearing out where the o/d - Intermediate servo pistons ride, causing various transmission slipping codes. There are also several different valve bodies and solenoid packs, Be careful.
Vehicle Speed Sensor 96 Ford Escort Manuals
Vehicle Speed Sensor 96 Ford Escort Manual Transmission
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These transmission are rear wheel drive 5 speed automatics, that are all computer controlled. Common symptoms are overdrive light flashing, transmission shifting erratic, slipping or not shifting at all. External sensors on the vehicle like the throttle position sensor or vehicle speed sensor quite often go bad, causing these symptoms. This transmission has many shift solenoids and pressure switches inside.
I recommend that you always replace the boost valve when rebuilding any Ford transmission that has one.
Always run a scanner first to see if a sensor is causing your problem.
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Ford Vehicle Speed Sensor Location
4F27E
These transmission are front wheel drive 4 speed automatics, that are all computer controlled. Common symptoms are overdrive light flashing, check engine light on, transmission shifting erratic, slipping or not shifting at all. External sensors on the vehicle like the throttle position sensor or vehicle speed sensor can go bad, causing these symptoms. This transmission has several solenoids that commonly go bad inside.
I recommend that you always replace the boost valve when rebuilding any Ford transmission that has one.
Always run a scanner first to see if a sensor is causing your problem.
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So what exactly is a speed sensor and what purpose does it serve? Well, to start there are a number of different types of sensors and most are used by multiple vehicle systems. Modern vehicles use multiplexing to share vehicle speed information between modules.
For example, the Variable Assist Power Steering (VAPS) system uses Vehicle Speed Sensor (VSS) input to regulate power steering pressures for higher assist at slow speeds, making parking lot maneuvers easier to perform. The Anti-Lock Brake System (ABS) uses VSS information to determine when a wheel is locked up and releases pressure to that wheel to maintain directional stability. Some vehicles use seperate sensors for the ABS, but it is common that the computer uses the information from the wheel sensors to act as a VSS. For example, many newer Ford vehicles use a rear axle mounted speed sensor for both ABS and computer related vehicle speed functions. Instrument Cluster (IC) and Hybrid Electric Cluster (HEC) modules use vehicle speed info for speedometer operation.
Ford F150 Speed Sensor Location
Many advanced air suspension systems use VSS output to determine ride height. These vehicles are lowered at higher speeds for improved handling. Transmissions rely on VSS information for shift strategy. Cruise control systems rely on the VSS for knowing when to activate and deactivate the system and also to maintain a constant speed. All Electronic Engine Control (EEC) systems utilize speed sensor information in one way or another. The list goes on, but I'm sure we can understand the importance of this sensor's correct operation.Ford Transmission Speed Sensor Location
Most newer Vehicle Speed Sensors are of the permanent magnet type, and function much the same as a camshaft or crankshaft sensor. The sensors can be mounted either in the transmission case or rear differential assembly. Those in the transmission are typicaly gear driven, and those in the differential function by using a trigger wheel mounted with the ring gear. Both style sensors perform the same task. Driveability symptoms caused by a faulty sensor can vary greatly due to the number of tasks the sensor output is involved in. Most vehicle computers will set related check engine light codes for vehicle speed sensors that malfuction. But what if there are no codes? What should we look for? First, see if there are multiple systems with concerns that can be realated to a faulty speed sensor. For instance, if our transmission is shifiting poorly and our speedometer is not working, then we may have a speed sensor problem. If our anti-lock brakes are erratic and our cruise control stopped working at the same time, then you guessed it, we have a possible VSS fault.
So how do we test for a suspect VSS? If you have a scan tool available then pull up the VSS value and check for erratic or faulty readings. Follow up with component and wiring tests as needed. If no scan tool is at hand there are a couple of tests we can do. First find a resistance value for a new sensor, and check for proper resistance across the sensor terminals. Perform wiring tests as outlined in our Automotive Circuit Testing article and check connectors for corrosion or poor connections. Also, check for metal contaminiation on the magnetic pick-up and check trigger wheel or drive gears for damage. Due to the locations of many connectors, water intrusion can also be an issue, so check connectors carefully. Remember, even if a scan tool reading shows a faulty speed sensor signal, you will still need to check wiring and connectors before condemning the VSS. Also keep in mind that some vehicles have multiple, dedicated speed sensors, such as ABS Wheel speed Sensors and Transmission VSS for computer input. So always be sure you are testing the correct sensor! If you're unsure you can use the Get Help link to contact us and we can assist! I hope this information has been informative and helpful. Thanks, and enjoy the day!
If you find that you're in need of a replacement VSS, please visit one of our suggested parts suppliers. We research the leading companies for value and service and recommend only the best. You won't find better prices anywhere, and you can buy with peace of mind from reputable merchants! Thanks for stopping by, and have a great day!