Press the rear differential lock A differential locker is mechanism that sits inside of or replaces the differential carrier. A differential lock is designed to ensure one wheel can’t rotate on its own without the other wheel rotating at the same speed. locked, the indicator will stop flashing and remain on. To engage Rear Differential Lock, make sure that Hilux is travelling less than 5mph and that the wheels are not spinning. Wash off the brake fluid immediately if ... Disassembly This pushes equal power through to all wheels, which is needed when handling difficult terrain. The rear differential lock system is effective in case one of the rear wheels First, a diff lock should not be engaged for on road driving, unless weather conditions such as snow or ice mean that extra traction is required. This differential will direct power to the wheel that is easiest to rotate – providing different power to each wheel according to its needs. Flip the locker on, then SLOWLY drive forward in an a turn IN ONE DIRECTION, you will hear it click as it locks in (due to the difference in spinning rates of the rear tires allowing the teeth of the locker to line up in that turn you made going slow) and … However, if you would like to, you can change your cookie settings at any time. After the rear differential is locked, the indicator will come on. This allows air to exit the shifter housing. Read on to learn what differential lock is, why it’s important and how to use your locking diff when driving. the frontwheel drive control lever into L4 to see if this is sufficient. Large steering effort and spinning occurs in a ditch or on a slippery or rugged surface. Watch the video. If this differential lock is engaged, resulting in an accident. Wait a few seconds for the system to complete operation. 1. 4x4 TyresStay safe when going off road. Press the RR DIFF LOCK switch. This may also lead to We recommend you always carry a spare wheel and tyre, so that you are ready if a rip or puncture occurs. This differential, when engaged, mechanically lock together the axle shafts forcing the wheels to spin at an equal rate. 1. switch. Unlock the rear differential as soon as the vehicle moves. While an open differential allows the wheels to turn at different speeds, a locked differential keeps them rotating at the same speed. You can jack up the rear so both tires are off the ground, rotate one tire the other one will spin in the opposite direction. A locking differential ensures that maximum power is put into all wheels, providing a much needed boost to your forward propulsion. Turn the key to the on position and press the power door lock button three times in a row. is spinning. As such, all powered axles – front and rear in a 4WD - have a differential. Its only used off-road in slippery/soft terrain conditions and turn radius is increased atleast 3-5 times. If the operation is not completed, the center differential lock indicator blinks. The diff lock will release once traction has been regained. The locking of the rear differential should only be engaged during low-speed, extreme off-road situations where one wheel is likely to not be in contact with the ground. • Do not lock the rear differential until the wheels have stopped spinning. At this time, the rear differential lock indicator will flash. (The center differential lock and VSC OFF indicator lights come on.) There may be a malfunction in the rear differential lock system. spinning. There are two types of locking differentials – automatic and manual. vehicle inspected by your Toyota dealer immediately. Use the same procedure for both the RH and LH sides. If the indicator light does not turn off when unlocking the center differential, drive straight ahead while accelerating or decelerating, or drive in reverse. It's because without a differential lock on a driven axle, once the left or right tire—or even both—tackles off-road driving conditions, it lifts a tire in the air. Listen to your vehicle and do not put undue stress on it, otherwise you could cause serious damage to the axles. occurs in a ditch or on a slippery or rugged surface. Center differential lock gives you the ability to lock front and rear axles to divide the engine power (rotational force & rotational speed) equally between both front and rear wheels. Turning off the center differential lock when turning the wheels can be replaced at a very sensitive jerk. PROCEDURE has no effect, additionally use the rear differential lock system. Removal SUBSCRIBE TODAY! Press the switch to lock the rear differential. But dont worry. this time. This may be the wheel that has the most driving power, leaving the other three wheels struggling to get enough traction to push the vehicle forward. Listen for any noise. The four wheels on your 4X4 need to be able to run at different speeds, to enable your vehicle to turn corners efficiently. DISASSEMBLY I was at the race track with it, I'd got 2x 20 mins sessions in, then had lunch and upon going out to fire up for the afternoon the messages started firing off. REMOVAL Rear Differential Lock can only be activated when Hilux is in low-ratio L4 mode – for instructions on how to activate L4 mode, see this post. Unlock the rear differential as soon as the vehicle moves. Be sure the wheels have stopped Manufacturer websites for Tyre Label information. Note- if air begins leaking out the DCDL dash switch was not turned off 5.Remove the "manual engaging capscrew" from its storage location in … 4.Remove the "plug bolt" from the center of the differential lock shifter. The procedure listed below is for the LH side. I had a 90s Chevy pick up do this twice. • Do not drive over 5 mph (8 km/h) when the rear differential is locked. 3.Turn DCDL OFF with dash switch. Some automatic locking diffs will only disengage once one wheel is required to spin faster than the others. This is helpful if you encounter difficult terrain and one or more wheels leave the ground, as full power remains on the other wheels ensuring you are still moving in the direction of travel. I had to jack the rear of the truck up and carefully put it in reverse with the pressure off the wheels and or axle bearings it unlocked this will get ya moving again but you'll need to overhaul or replace rear axle SOON. A differential that can be locked out so both wheels on the axle turn at exactly the same speed is known as a cross-axle locking differential, or ‘locker’ for short. • If the operation is not completed, the center differential lock indicator blinks. Once you have mastered your differential lock, traversing off road will get a whole lot more exciting, as you will be able to take on more challenging tracks and difficult terrains. (adsbygoogle = window.adsbygoogle || []).push({}); The rear differential lock system is provided for use only when wheel HINT: At this time, the rear differential lock indicator will flash. When your differential is locked, your vehicle will want to drive in a straight line, making corners difficult. The truck seems completely normal! A differential lock secures this differential in place, making all the wheels on the axle move at the same speed. Off road enthusiasts differ on opinion as to which of the potential three diff locks (front, rear or central) works best, and while a rear locking differential seems to be favoured, you will find your own system as you take to the tracks. 4SITE 4x4 Tyres To Attend Midland Game Fair 2017, 4SITE 4X4 TYRES ATTEND THE SCOTTISH GAME FAIR 2017. Automatic diff locks will engage automatically when traction is lost. Mine done in the middle of the road. • Do not use the rear differential lock system except when wheel spinning PROCEDURE You will only need to engage your locking differential when you need extra traction, so you may only use it for a few moments on each off road adventure. To unlock the rear differential, press the switch again. 0870 112 9401. Thus, for example, if the car is making a turn to the right, the main ring gear may make 10 full rotations. Turn off the ignition switch and press the power door lock button three times. A diff lock locks the side gears and spider gears together so everything turns at the same speed. Turn the ignition on, you don't have to have it running, put it in neutral and pull knob. My question to you knowledgable truckers/mechanics is this: Did I do any damage to the rear differential? differential lock system: Stop the vehicle, shift the shift lever to N and shift 4SITE 4x4 TYRE CENTRES is a trading division of Micheldever Tyre Services PLC. The procedure listed below is for the LH side. Then we come to traction control – a much-maligned term often incorrectly used to describe all electronic traction systems. careful cornering control will be required. Learn more about our range of 4x4 tyres and wheels, and discover how easy it is to order online with 4SITE 4X4 Tyres. Press the switch to lock the rear differential. I know how to lock the center differential. Use your locking differential when you want to go off road, for driving on difficult terrain, such as dirt, gravel, mud or snow. The diff lock forces all wheels to spin at the same speed, regardless of traction. Locking differentials are great for off-roading, especially in tricky situations where you may need a little extra traction. While similar to a standard, or open, differential, a diff lock allows equal amounts of torque to reach both wheels at the same time rather than spin at different speeds. Differential lock rear axle is only possible with locked center differential. Awaiting your reply! So which is THE best all-terrain tyre out there? Before using the rear Manual diff locks put the driver in control, enabling them to decide when and if extra traction is required. If the indicator light does not turn off when unlocking the center differential, drive straight ahead while accelerating or decelerating, or drive in reverse. Exactly the same concept applies to the relative rotation of the front axle to the rear, and that’s called a “centre differential”. The purpose of having a differential for both the left and right tires is to prevent tire spin at different speeds, allowing for tight turns with little resistance. Sean Cina, Sales and Product Trainer from the NY Region describes what happens when you push the Rear Differential Lock Button REMOVE FRONT WHEEL After the rear differential is locked, the indicator will stop flashing and remain on. Use the same procedure for the RH and LH sides. Turn key OFF. A differential-lock is a mechanism used to prevent the movement of the front and/or rear differential. HINT: Vehicle Technology, How It Works And How It Can Help You Drive In Winter. DRAIN BRAKE FLUID Slowly release the clutch pedal. Was rear lock an option. Just be careful to know that a cross-axle locker is different to a centre diff lock, even though the concept is … The rear differential lock is disengaged when. This process notifies the vehicle's computer system that you want to enter into enable/disable mode. I forgot to turn it off (like I normally do) and I got it up to 10th gear at about 62 mph. I only went about 4 tenths of a mile before I realized it so I immediately disengaged the switch. seconds for the system to complete operation. CAUTION / NOTICE / HINT Listen for any noise. Your spider gears in your differential are worn out. Return the ignition to the on position and listen for the horn to chirp. This may bit confusing to you. Hi guys I have a 2009 v6 tdi and I like to know if I’m missing how to lock the rear differential. What is Diff Lock? A locking differential (diff lock) can give your vehicle the boost it needs when caught in tricky, off road situations. After the rear differential is locked, the indicator will come on. Locking the rear differential When the rear differential is locked, VSC is automatically turned off. is normal operation for the ABS warning light and VSC off indicator to be on at possible damage to rear differential lock component parts. That’s because it’s a differential lock that works across two wheels on an axle. For example, let’s say you are driving over rocky terrain and one of your wheels leaves the ground. I looked through the forum, but couldn’t find the answer I attended a photo of my dashboard display Thanks Otherwise, the vehicle may move in an unexpected direction when the (The center differential lock and VSC OFF indicator light will come on.) NOTICE: The front-wheel drive control lever or switch is shifted to H2 or H4. Have the To lock the differential, you turn on a switch manually, and the two output pistons, which would normally be controlling the two wheels separately, are locked together so however fast one wheel goes, the other wheel rotates at the same speed. A locking differential is designed to overcome the chief limitation of a standard open differential by essentially "locking" both wheels on an axle together as if on a common shaft. In the cab you get 3 switches on the dash, 1 for differential lock, 2 for inter-axle (1 for each rear drive). Call us on Both tires should turn in the same direction. The following systems do not operate when the rear differential is locked. As such, all powered axles – front and rear in a 4WD - have a differential. This tutorial will show you how to turn it … NOTE. We use cookies to ensure that we give you the best experience on our website. Please see A rear differential lock is designed to split torque on the rear axle so 50 per cent is directed to each wheel. Read on to learn what differential lock is, why it’s important and how to use your locking diff when driving. These either work with compressed air, an electromagnet or are cable-operated. Stopped on gravel, in gear and not going anywhere?! It If the rear differential lock indicator flashes rapidly. Wait a few It was quite a disappointing turn of events, I'd been making good progress in the morning. To unlock the rear differential, push the switch again. The differential will allow that wheel to spin freely while the other one does nothing. This forces both wheels to turn in unison, regardless of the traction (or lack thereof) available to either wheel individually. Learn what's happening and how to get traction. The job of a locker is to “lock” both axleshafts in unison so they can rotate at the same speed. In my admittedly crackpot opinion, all-wheel drive is the greatest con ever perpetrated on the American people. Cars only have one differential, but 4X4 vehicles can have up to three differentials – front, centre and rear. The reason for this is the sharp decline in the value of the stress transmission occurred at the beginning of the turn when the differential is locked. Therefore, your differential lock provides a traction control system and is a key component to preventing wheel spin, which can prove a life saver in treacherous driving conditions, such as snow or ice.