Question about 1998 Ford Crown Victoria

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I need to know if there is a speed threshold where the traction control activates? When it is engaged can the rear tires spin on wet pavement due to acceleration from a stop?

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Normaly it should not it might spin out a litle bit but stop afer the traction control sytem get on...the( t.c.s) is made to reduce the danger of loosing control so when a weel is not turning at the same speed of others it release the traction! i hope this answer your question,Thanks! please reply!...lipak!...

Posted on May 06, 2010

  • patrick bouchard May 12, 2010

    I forgot to tell you if you want to bypass the (t.c.s.) you can just remove the fuse (t.c.s.)...so your tire will spinout freelly!.......lipak!!.....

  • stodgo1971 Dec 08, 2010

    I have this problem and want to disable tcs, but can't find it in fuse box (it's not listed). Can you tell me where it is?

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3 Answers

Does traction control system cause tires to wear out faster


No, Traction control only engages when slippery conditions exist. So unless you live in the snow belt or drive on wet muddy dirt roads you may likely never experience a traction control engagement.

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2003 cadillac cts stability control and traction control


Get your system checked for malfunction codes. Sounds like there is water entering the sensor harnesses under the vehicle. Doesn't take much to set off the malfunction light.

Aug 24, 2015 | 2003 Cadillac CTS

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Are there damage to any 4wheel drive components shifting from 4wheeldrive setting still with transmission is indrive


Most 4WD systems are designed to be shifted in and out "on the fly". It is less stressful for the drive train doing it while in park however. 4WD does not like cornering - especially on "grippy" surfaces such as dry asphalt (why would you need 4WD on dry asphalt, anyway?). Dry asphalt is really tough on 4WD as the the tires may have minute differences in circumference as a result of wear and since all are spinning at the exact speed (even going straight ahead), those difference add up and strain the drive train. Slippery surfaces allow the tires to slip away those differences as soon as they begin to appear. Even wet pavement allows this to happen, tho not as easily as grass, dirt, snow or ice.

Drive in a tight, complete circle on dirt and you'll see that there's a shorter path of tracks for the inside tires than those on the outside. Yet, the 4WD locks all wheels to turn the same amount. The jerking during the cornering that you're feeling is the inside tires trying to spin to "catch up" to turning at the same rate as the outer tires. See the video linked below.

Check your manual and you'll likely be cautioned against running 4WD on dry pavement for these reasons.


Mar 03, 2015 | 2002 Jeep Grand Cherokee

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Why does my 4 wheel drive not work all the time?


Elaine,

not work, do tell what makes you think it dont work (a lamp) or tires slipping or dead tires. (by tires mean that and traction)??????????

what mode fails, of the many, and where.???????



first off, we dont know what your tires are touching.

on road, or off road. pavement or ICE or snow.

that matters big time . (you read manual and match MODE to Road)

your lost operators guide explains all that, right?

eg: how and when to use, 4wd, its all there. I promise.

ControlTrac 4-wheel-drive system



here are the mode. which one , gives you problems.



quote ford with comments.



What are the modes, and how do they differ?

(note this is the operational behavior of a 2008 Ford Expedition. Newer and older Expeditions will vary only slightly)



2H 2-wheel-drive with high range gearing (1.00:1) Rear-wheel-drive capability,

2-wheel electronic traction control system is enabled



4A 4-wheel-drive Auto with high range gearing (1.00:1) Full-time all-wheel-drive capability, ((best on pavement or any time)

Electronically adjusted torque split to front & rear wheels, Electronically variable center differential,

Front driveshaft & rear primary driveshaft allowed rotational speed difference,

4-wheel electronic traction control system is enabled



4H 4-wheel-drive with high range gearing (1.00:1) Part-time 4-wheel-drive capability, (not for dry pavement EVER)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled



4L 4-wheel-drive with low range gearing (2.64:1) Part-time 4-wheel-drive capability, (off road usage, mostly)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled, ESC and RSC are disabled



In 4A mode the center differential is electronically-controlled and rear drive wheel bias. The on-board computer monitors for any sign of rear drive wheel slip (loss of traction)

If loss of traction is detected, the center differential is told to send a share of the engine\'s torque to the front drive wheels. It will not let the front driveshaft turn at the same speed as the rear driveshaft.



What about traction management?

1997-2002 model Ford Expeditions offered an optional limited-slip rear differential (LSD). A conventional open rear differential was standard along with the conventional open front differential and the electronic locking center differential.

comment with out LSD, one tire can spin, on say ice.

but the other 3 tires dont, in full time.

Jul 04, 2014 | 2003 Ford Expedition

1 Answer

How is four wheel drive used on a 1999 durango


Hi Ralph.

I do not own a Durango, but have owned many 4WD vehicles and can offer tips for proper usage.

The "L" and "H" after the 4 and 2 stand for "Low" and "High" ranges. The 2 and 4 stand for the number of wheels that can receive power from the engine and transmission. Most 4WD vehicles only provide power to 1 wheel on each axle (front at rear for a total of just 2 wheels powered) at any given time (but for purposes of discussion, we'll call it 2WD & 4WD, as advertised).

Generally, "2WD" is only offered as a High range and is the same as a "normal" 2WD car or truck. I haven't seen a car or small truck that offers 2L (but I haven't seen a Durango - so I don't know), but generally 2WD traction can be increased easily enough by simply shifting the transmission to a lower gear (From "D" to "2" or "2" to "1", etc.).

4WD is designed to provide additional traction whenever 2WD isn't sufficient. This can be when surfaces are slippery such as sand, mud, snow and ice or, when pulling a heavy load such as a trailer and tires are not gripping the surface well. Shifting from 2WD to 4WD High will provide more traction at the same tire speed. Maximum power from the engine does not come at low RPMs, so in order to get more pulling power from the engine with out increasing speed (or spinning tires), the transmission should shifted into a lower gear. This is especially helpful when pulling a trailer up a wet incline, etc. If 4WD High in 1st gear is still allowing tires to spin or not providing enough pulling power, then shifting the transfer case from 4WD High to 4WD Low will allow the engine speed to increase (providing more power) without increasing the speed of the wheels (reducing the chances of spinning tires).

4WD should never be used while operating on dry pavement. Since tires wear at different rates, and turning left or right slows the inside tire and speeds up the outside tire when compared to the rear tires, a certain amount of slip is required. Wet surfaces provide this necessary amount of slip - as does sand, mud, snow, ice, dirt, gravel, etc. You should take the time to see how each selection of High and Low affects engine speed and vehicle speed and how the surface and any trailer further changes traction. With a little experimentation, you'll see how it works and be able to choose the right range with little thought.

Don't forget to have the transfer case & front differential fluids checked and changed as per the manual. Neglecting this simple service intervals can leave you stranded when you need 4WD and can be very expensive to repair.

I hope this helps & good luck!

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1 Answer

Traction controll light comes on and off. have new brake pads and rotors


most likely the problem is you have a wheel sensor that is not working properly, the traction control system is constantly monitoring the wheel speed to make sure all wheels are spinning at the same speed if it sees one wheel speed up then it thinks it is slipping on the pavement like ice or snow then the system will apply a little brake or power witch ever is needed to stop that wheel from spinning. if the system constantly sees one wheel that is turning faster or slower then all the other wheels it will turn on the light and shut down the traction control system, by the way a low tire can set the system off.

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1 Answer

Why do my antiloks engage when the wheels spin in awd?


The vehicle computer's Traction Control System (TCS) has detected wheelspin on one or more wheels that's greater than the detected speed of the vehicle. That is, it knows you're spinning the tires and not going anywhere (or not really going that fast). It compares the rotation of all wheels to that of the slowest moving wheel (or slowest wheel that has a sensor), and slows down the faster of the bunch. Since it's not a full-time 4-wheel drive (where all wheels move the same speed all the time), it allows some wheelspin for outside wheels around corners, but keeps the wheels in check with the brakes. Some Traction Control Systems rely on cutting engine power to stop wheelspin, while others activate the brakes on the faster-moving wheels.

Mar 09, 2011 | 2003 Chevrolet Astro

2 Answers

What is traction control sistem


TRACTION CONTROL: An enhancement of an existing ABS system that prevents wheel spin while accelerating on wet or slick surfaces. It uses the same wheel speed sensors to monitor wheel speed during acceleration, but requires some additional control solenoids and a pump to apply braking pressure to control wheel spin. The traction control system brakes the drive wheel that's starting to spin to shift torque to the opposite drive wheel that still has traction. Most traction control systems only operate at speeds up to about 30 mph. Additional control strategies that some traction control systems use to limit wheel spin include reducing the throttle opening, upshifting the transmission, retarding spark timing and deactivating fuel injectors.

Hope helps.

Dec 23, 2010 | 1996 Acura RL

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Traction control light comes on when wheels are not skidding


the major difference in the tire size is enough to cause the traction control to activate the car sees a speed difference between the front and rear tires and thinks it is slipping it will continue until you replace the other two tires

May 25, 2009 | 2002 Cadillac Deville

1 Answer

TRACTION CONTROL.


that is what it is desgined to do - reduce acceleration and apply the brakes intermittently when the wheels spin. You have a switch you cn push to disable it. You need to disable each time you start car. See owner manual.

06-10: Traction Control 1996 Contour, Mystique Workshop Manual
DESCRIPTION AND OPERATION Traction Control System The optional traction control system is designed to control wheel spin when accelerating on slippery or loose surfaces. Traction control system is available only with anti-lock brakes. The traction control system includes the following components:
  • Hydraulic control unit.
  • Throttle control actuator (9N825).
  • Traction control switch.
  • Traction control warning indicator.
  • Front brake anti-lock sensor (2C204).
  • Rear brake anti-lock sensor (2C190).
The traction control system operates as follows:
  • System functions by transferring torque from the spinning wheel to the wheel with the most traction.
  • This is achieved by applying the brake at the spinning wheel through the hydraulic control unit or reducing the throttle opening.
  • Traction control braking and throttle control occur at vehicle speeds up to 50 km/h (30 mph).
  • At vehicle speeds above 50 km/h (30 mph), only throttle limiting control is used.
  • If speed control is operating when traction control system engages the traction control system will disengage speed control through the use of a speed control relay. This action is the same as applying the brake pedal with speed control engaged.
1996 contour
Traction Control Switch The traction control switch is located on the instrument panel, left of the steering column.

Oct 22, 2008 | 1995 Ford Contour

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