Called Control Trac by Ford, it acts as an automatic form of four-wheel drive . Using sensors, microprocessors, and a specially designed electromagnetic clutch, the unit quickly switches from two-to four-wheel drive when it senses wheel slip. Gone are the inconveniences associated with part-time-four-wheel drive.
Is AdvanceTrac four wheel drive?
The AdvanceTrac technology acknowledges even the slightest instability and reverts your car to use the apt power. ... The Traction Control and Intelligent 4 Wheel Drive technology pay extra attention to slippery surfaces and adjust the powertrain and braking systems to avoid sliding off during acceleration.
What is Ford ControlTrac?
ControlTrac four-wheel drive is the brand name of a selectable automatic full-time four-wheel drive system offered by Ford Motor Company . ... BorgWarner calls the system Torque-On-Demand (TOD). ControlTrac was the first automatic system to use software control and no planetary or bevel geared center differential.
What is Ford eLSD?
The Electronic Limited Slip Differential (eLSD) system directs torque, enabling the vehicle to drive over terrain and road conditions that a conventional axle cannot. The system is active at all times and requires no input from the driver.
What does A4WD mean on a Ford Expedition?
The automatic four-wheel drive (A4WD) system is an electronic-shift 4WD system that allows the operator to choose between 2WD and three different 4WD modes. The operator can switch between A4WD and 4WD HIGH modes at any speed.
How do you engage 4 wheel drive on a Ford Expedition?
To use the four wheel drive system in Your Ford Expedition You will need to select the four wheel drive mode that You want to be in using the knob that is located on the dash. The four wheel drive high mode is meant to be used on road and on dirt roads up to highway speeds.
Does Ford Expedition have locking differential?
For the first time, Ford now offers an FX4 off-road package in the XLT-trim Expedition. For $1,650, you get specifically tuned dampers from Hitachi, skid plates, a heavy-duty radiator, 18-inch all-terrain tires and an electronic limited-slip rear differential with 3.73:1 gears and a fully-locking function .
How do I turn off the AdvanceTrac on my Ford Explorer?
To turn off the traction control system, press the stability control off switch . The off switch could look like either of the two graphics shown. Full features of the AdvanceTrac system can be restored by pressing the switch again or by turning off and restarting the engine.
What’s the difference between traction control and AdvanceTrac?
traction control only controls rear wheel spin . so if you spin the rear tires, traction control pulls engine power and applies rear brakes to stop the spin. If you start to spin out, advance trac does the same, but will also apply front brake or brakes in order to force the car back into a straight line.
What does it mean to service AdvanceTrac?
AdvanceTrac is an electronic stability control or “traction control” system and while the warning is displayed that safety feature may be unavailable, or may malfunction, in emergency driving, or during periods of low traction.
Is electronic limited slip differential worth it?
The acronym eLSD stands for electronic limited slip differential. Essentially, this system gives your vehicle increased traction . It can be incredibly useful when you’re traveling on wet or icy roads, and it can improve handling for high-performance vehicles.
What does eLSD stand for?
The evaporative light scattering detector (ELSD), otherwise known as an Evaporative Mass Detector, is an aerosol-based HPLC detector suitable for the detection of non-volatile sample components in a volatile eluent.
What is an electronic slip differential?
What does the Electronic Limited-Slip Differential (eLSD) do on my Ford? The available Electronic Limited-slip Differential system directs torque, enabling the vehicle to drive over terrain and road conditions that a conventional axle cannot . The system is active at all times and requires no driver interaction.
What’s the difference between A4WD and 4h?
A4WD engages the transfer case and engages the front axles when slip is detected. 4WH is full 4WD. Don’t use it on dry pavement. It will wear/break something in the drivetrain.
How fast can you drive in A4WD?
It is not recommended to drive faster than 55MPH in 4WD high on low traction surfaces. 4WD should only be engaged when road surface traction is low. Driving in 4WD-Lo should not exceed 10mph.
When can you drive in A4WD?
A4WD- rear wheels fulltime, front wheels on “alert” for slippage, will apply front power as needed to compensate for rear wheel slip. 4LO- Use in very slow conditions, all four wheels powered, but mainly used for getting out of a very steep ramp at the boat launch or getting out of really deep mud or similar.
