Question about 1998 Mercury Sable

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I read the solution from jturcotte regarding the 98 mercury sable with the bad vss. I apreciate the view of the the transmission.but can't seem to locate it. Do I have to lift the car significantly to view from bottom / An Ammco shop said the harness melted on the vss. do i have to peel the electrical tape from the wiring to locate it or can I get another harness and connect one end to the sensor on the transmission and the other end to the point where it connects to engine.

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You're going to need to replace the harness.

Posted on Mar 19, 2011

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2 Answers

Where the f--- is the vss switch in a 99 merc sable ls thanks joey


It appears to be on the transaxle housing. Two wire connector, note the wire colors. The picture maybe transaxle tail housing, at the moment, I don't know which side?
vss transaxle housing-jzmswer1nj4gc4lhdiyxrsgh-5-0.jpg

vss wire colors-jzmswer1nj4gc4lhdiyxrsgh-5-2.jpg

Feb 23, 2017 | 1999 Mercury Sable

1 Answer

1998 mercury sable.need to change vss,does this have to be done from underneath vehicle'am a little afraid of breaking exhaust bolts


Vehicle Speed Sensor (VSS) Removal
  1. Raise and suitably support vehicle.
  1. Remove dual converter Y-pipe from exhaust system. -
  2. Remove heat shield from transaxle.
  1. Disconnect vehicle speed sensor (VSS) electrical connector.
  1. Remove VSS retaining bolt and remove VSS from transaxle.
Installation
  1. Follow removal procedure in reverse order.
  1. Tighten VSS retaining bolt to 5-8 Nm (45-70 lb-in).


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Mar 22, 2011 | 1998 Mercury Sable

1 Answer

My transmision slips and the speedo quits working at the same time in my 1998 mercury sable


Hello wsarah03,

There is a Vehicle Speed Sensor (VSS) mounted on the transaxle, that is a good place to start. The VSS tells the powertrain management system when and how to shift the transmission and also gives the speedometer it's signal.

From your description that the speedometer quit working at the same time I would suspect the a faulty VSS.

Regards,
netvan

Mar 20, 2011 | 1998 Mercury Sable

2 Answers

1994 GRAND MARQUIS Odometer stopped working, tridometer aswell


If the odometer and tripmeter stop incrementing their mile values, then the VSS or vehicle speed sensor is bad or has become disconnected.

Vehicle Speed Sensor OPERATION The Vehicle Speed Sensor (VSS) is a magnetic pick-up sensor that sends a signal to the Powertrain Control Module (PCM) and the speedometer. The sensor measures the rotation of the transmission output shaft or the ring gear on the differential and sends an AC voltage signal to the PCM which determines the corresponding vehicle speed.
TESTING
  1. Disconnect the negative battery cable.
  2. Disengage the wiring harness connector from the VSS.
  3. Using a Digital Volt-Ohmmeter (DVOM), measure the resistance (ohmmeter function) between the sensor terminals. If the resistance is 190-250 ohms, the sensor is okay.
REMOVAL & INSTALLATION Fig. 1: Detach the connector for the VSS sensor 91194p27.jpg
Fig. 2: Remove the retaining bolt for the VSS sensor and . . . 91194p28.jpg
Fig. 3: . . . remove the VSS sensor from the transmission 91194p29.jpg
Fig. 4: Pry the retainer for the VSS gear off and . . . 91194p30.jpg
Fig. 5: . . . remove the gear from the VSS 91194p31.jpg
  1. Disconnect the negative battery cable.
  2. Raise and safely support the vehicle securely on jackstands.
  3. Detach the connector for the VSS.
  4. Remove the VSS retaining bolt and remove the VSS from the transmission.
  5. Remove the driven gear retainer and the drive gear. To install:
  6. Inspect the O-ring on the sensor and replace if necessary.
  7. Install the driven gear and the retainer.
  8. Place the VSS into the transmission.
  9. Tighten the retaining bolt to 98-115 inch lbs. (11-13 Nm).
  10. Attach the VSS electrical connector.
  11. Lower the vehicle.
  12. Connect the negative battery cable.
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Oct 23, 2010 | 1994 Mercury Grand Marquis

1 Answer

98 Mercury Sable no overdrive


I would suggest trying a tranny service. Changing the fluid and filter may help this. You can also put some transmission conditioner or something in it and try that. Lucas makes a real good transmission cleaner/conditioner. Be careful not to overfill the tranny though by adding this product. If this doesn't fix it then the soleniod will probably need to be replaced which requires tearing into the tranny

May 12, 2009 | 1998 Mercury Sable

1 Answer

Speedometer quits, loss of power steering


first of all, the power steering pump doesn't stop working and then start working usually they are just bad. second of all it shouldn't take 3 hrs to change speed sensor, and last the vss could cause all symptoms, if the car has variable assist steering the speed sensor could effect this

Apr 28, 2009 | 1996 Mercury Sable

1 Answer

Speedometer jumps when car is in gear but at a stop?


There is a part on the transmission called a VSS, or Vehicle Speed Sensor. It will have two wires going to it. It is typically located on the output side of the transmission near where the axle inserts into it. Check the wires for bare places where the insulation might have rubbed off. If the wiring is alright, then you may have a bad VSS. They are easy to change, and generally take about 15 minutes at most.

Mar 24, 2009 | 2002 Mercury Sable

2 Answers

99 sable


The transmission is should be controlled by the tcm "transmission control module". The first item to check would be a good visual inspection. If all seems in the norm, then the fluid condition and level. You have to check the transmission level when the car is running at operating temp and in park. If that is ok, the next item would be to have the code read. Autozone will scan your car for free. Once you have a code, it may give a hint as to what system is acting up. That is where I would start.

Dan

Sep 04, 2008 | 1999 Mercury Sable

1 Answer

98 mercury sable transmission


Check your transmission fluid. You could be alittle low. Check it hot in Park while running.

Aug 13, 2008 | 1998 Mercury Sable

2 Answers

98 mercury sable


Check the transmission fluid first. it sounds like one of the clutch plates is sticking.

If you shift into second after you've stopped, can you get the car moving?

Jun 25, 2008 | 1998 Mercury Sable

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