It will reward you with not opening the mechanism. If making a turn or taking a corner in a manner your new temperamental locker does not like. Why do my tires screech with a lunchbox locker? As long as you follow the manufacture specs for the locker you installed. Sometimes they can be caused by adding the wrong weight of oil to the differential. Popping and clunking noises for lunchbox lockers are completely normal. Why do lunchbox lockers make popping/clunking noises? At that point, the two sides will join back together. While in the open position the two mechanical gears within will ratchet around until the turn is complete. A lunchbox locker will be in the open position rather than in the normally locked position. When in the unlocked state while cornering or making a turn from a stop. HP D30 with Aussie Locker Why do lunchbox lockers make ratching noises? Screeching tires when the locker does not open.Popping/clunlinking noise during acceleration.Jeep TJ/LJ/YJ/WJ/XJ/ZJ Locker Guide Disadvantages of using Aussie lockers front and rear: Instead, the locker will be in an open position. When no torque or not enough torque is applied, like in turning conditions, the pin will not impact the camshaft locking each side together. When a lunch box locker has adequate torque applied it will push the pin into the camshaft forcing each side to lock together. In the case of a lunch box locker, the mechanism will open and allow the axles to spin at different speeds like how it was with an open differential. Both a mini spool and a lunch box locker will replace the factory spider gears within the carrier.Ī mini spool will completely lock together axle shafts on each side. well let me rephrase this a bit, the differential will be locked at all times except when turning.Įssentially a lunch box locker is a “ratcheting” mini spool. These are less common but, maybe useful information What is a lunchbox locker?Ī lunchbox locker or Aussie locker is a type of mechanical automatic locking mechanism that will convert an open differential to one that is locked together at all times. You may also hear lunchbox lockers referred to as “drop-in lockers”, “pocket locker” or even “ratcheting lockers”. It is commonplace to refer to a lunchbox locker as an Aussie locker just like we use the name duct tape for just about any tape that looks similar, even though it is only the brand of the most popular kind. Lunchbox lockers go by many names sometimes. Rock Crawler Tube Chassis Guide Are Aussie lockers Lunchbox lockers?Īussie lockers are a brand of a certain type of locker, often referred to as a lunchbox locker. Unfortunately, that is not the case, thus why lunchbox lockers offer a ratcheting mechanism that can open so turns can be made safely and quietly. Everything would have a spool theoretically. There really would never be a need for open differentials and selectable lockers. Lunchbox lockers in a way help get around this massive on-road hurdle… If the pavement had the same amount of traction as sand. In all other cases, you will just screech your way around In the most un-elegant fashion. In extreme cases, axle shafts or other components can completely fail. Both the axle and the tire will not submit. On-road your vehicle has tons of traction, so if you’re fully locked front and rear trying to make a turn. The tires will still have the ability to slip around or break traction to spin at the speeds required. This means when making turns offroad, even though the axles are locked together without the ability to turn at different speeds. Lockers off-road are great because you will not have the traction the pavement offers. Ford 8.8 with Aussie Locker Why shouldn’t I have both axles locked at the same time on the road? With all vehicles that are meant to continue to be road-worthy, It is important that both axles are not in a fully locked state when on the road.Īussie lockers front and rear will still accomplish a streetable driving vehicle, but the corkiness of the Aussie lockers will remain and will become much more noticeable over the latter. This does have its merit, and it is important to see this side of the equation.
Most people will go as far as telling you not to run a lunchbox locker in the rear of the vehicle instead they say to stick to an Aussie locker for the front and use a selectable locker for the rear. While lunchbox lockers are proven time and time again to be a great fit for the average or even hard-core off-roader, like everything in life you cannot have your cake and eat it too. It is important to understand the problems you may encounter before making a buying decision. Yes, it is possible to use lunchbox lockers in the front and the rear.
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