Arb differential breather kit for 1 to 4 breathers devon 4x4. Many drivetrain assemblies are fitted with a breather from the factory. This video talks through the process of fitting a rear differential axle breather to a toyota hilux mk6 mk7 vigo pickup truck. How to fit a raised rear diff breather to a toyota hilux mk6. Have a couple of questions before i go and buy the gear to do it. These diff breather kits provide all the necessary parts to mount the front and rear breathers in a higher position than the factory unit. This modification took me 2 hours, required only basic tools and an average amount of technical ability. It is a 4 port, fully sealed system that breathes back into the induction system, a design the helps to prevent water, mud and other contaminants from getting into your differentials, gearbox and transfer cases as well as eliminating the use of a filter system. Toyota gun126 hilux 6way diff gearbox transfer breather kit.
The one i bought new from the dealer had a plastic cap instead of the. At the risk of sounding like a scratched cd, our best advice is to set a braked trailer rating at least 500kg below the manufacturers limit in this case 3200kg becomes 2700kg to claw back some. They raise the point at which differential housings and gearboxes breath, in order to prevent water and contaminants entering them. I wouldnt bother about these either but for reference, this is the union on the top if the gearbox. A cheap fuel filter or the filters arb use on their air compressors are good to use on your extension diff breathers. The kit works by attaching breather hose to the diff often replacing the factory breather and routing them up to the firewall or an area where it wont get flooded by water. I have a 93 model ln106 hilux and planning to extend my breathers so i dont drown my diffs. Simple instalment plans available instantly at checkout. Nov 24, 2014 this video talks through the process of fitting a rear differential axle breather to a toyota hilux mk6 mk7 vigo pickup truck. I see on the 4x4com site they talk about a 18 bsp fitting you can use.
Accessories fitting snorkels, clearview and msa 4x4 towing mirrors, winches, bull bars, recovery points, diff breathers, msa storage draws, front runner roof racks. This is a pretty straightforward mod and gives a bit more insurance to oil contamination in deep watermud crossings. Harrop is a preferred supplier of eaton supercharger and traction control technology. I used 516 fuel line 12ft ish depending on how you decide to route. Info coming from fat bastard customs, 8195 hilux diff is the right length afaik 81 definately its just a matter of what ratios u want. Im looking at fitting diff and gearbox breathers to my hilux. Diff breather kit block 4 point, dmax,holden, toyota ebay this complete diff breather kit makes for an easy and simple installation that can be done within a few hours. The world is a book, and those who do not travel read only a page. Hey mudders, i bought a 4runner diff breather valve to upgrade my old diff breathers 90930036 and upon inspection it is a one way valve, only allowing air to escape the diff, not enter.
How to fit a raised rear diff breather to a toyota hilux. When installing the extension diff breathers on my latest 80, there was an audible rush of air when i pulled the diff breather hose off the barbed fitting on the housing. Overland bound differential breather installation youtube. As an example a rn25 hilux manufactured during the 274 has the axle code g142. Roadsafe diff breather kit 4 port 18bsp toyotanissan. This complete diff breather kit makes for an easy and simple installation that can be done within a few hours. Front and rear diff breathers have been fitted mounted up as high as possible. Am i right in believing that there should only be 3 valvescaps to locate in the bonnet.
Is that how our oem 80 series diff breathers, transaxle breathers, and locker breathers are. Your breathers should go to a point that is higher than where water will get to in a worst case scenario. Any ideas on the gearbox and transfer case breathers, what is the easiest way to get to them. Easily installed with basic hand tools, complete with 5 metres of breather line, 2 x pushin fittings, 2 x breather filters. To do it, you simply remove the breather that is in the diff usually on the top of the pumkin with a. I think a 18 that fitted into the diff breather hole and another adaptor i think 38 that had a 10mm tube on the. A differential axle breather serves the important purpose on a 4wd vehicle of venting the air pressure in your drivetrain assemblies such as differentials. Diff breathers for hilux australian 4wd action forum.
This kit high quality components for years of trouble free service, supplied with quality polyurethane hose which is very flexible and extremely long lasting. A longranger litre tank gives a diesel hilux a km touring range and a kaymar swingaway rear bar can carry a second spare. While your fourwheeldrive is designed to receive power drive to all four wheels, power can only be delivered to a maximum of two wheels at any one time without the assistance of a differential lock. Hilux diff for sale in uk 49 secondhand hilux diffs. Even those with minimal mechanical skill shouldnt have an issue. Harrop breather kit harrop engineering, superchargers. Arb difflock compressor mounted in a box in the rear cargo area running off auxiliary battery, complete with pressure cutoff switch, and external 7 metre hose kit. In each case one of the plates will have the axle code originally fitted to the vehicle. Any info on where the breathers are for the gbox and transfer case would be appreciated. The problem is, when you submerge the axle for more than a few seconds the temperature inside the axle goes down and the pressure inside the axle also goes down. Harrop engineering design, develop and manufacturing precision components for low volume automotive oems, performance and industrial markets. On most standard production car diffs, the rear axle has a pressed on bearing, this fits inside of the diff housing inboard of the rear wheel, and is retained in place by a pressed on collar that fits on the axle shaft. The shortfall with the factory breathers is that driving through water crossings creates a.
Roadsafe diff drop kit suitable for hilux kun ggn fj cruiser. Diff breathers specifically designed for use on vehicles that work in offroad and harsh conditions from subzero to humid tropics. Diff breather kits high quality breather kits to suit. The hilux sr dual cab auto 4x4 ute has a 2045kg kerb weight and 3000kg gvm, resulting in a maximum payload rating just short of a tonne at 955kg. Jun 06, 2011 a set of remote breathers helps keep water out of the transmissions and diffs. Diff is hot, when you cross cool water it will vacuum that mudwater into your diffcostly repair. This kit is a 4 port system which includes fittings for most front and rear diffs transfer case and gearbox to suit navara, hilux, patrol, landcruiser, prado and. The stock breathers have no way of keeping water out of your differential case if you submerge the axle. I searched but couldnt find a thread specifically for hilux diff breathers, so here it is. Toyota gun126 hilux 6way diff gearbox transfer breather. Universal diff breather kit is a must if you take your vehicle thru water above axle.
Diff breathers are inexpensive but they offer incredible protection for more than you think. Diff breather extensions are an essential modification if you plan on doing any kind of water crossing when touring in the outback. If your deep enough to draw water into your breathers you probably have more serious issues to think about that a bit of water in the oil. Exchange reconditioned 4wd gearbox and transfer cases. Diff breather kits high quality breather kits to suit most. A diff breather kit allows the internal pressure to equalise with the atmosphere during rapid. Arb offers one of the worlds most famous and proven locking differentials, the arb air locker. A common mod is to fit extended breathers or wading kit.
Diff breather kits diff breather kits are designed to assist water crossings for off road vehicles. The front diff was a bit of a pain to get into as i have a protector plate bolted on so it was tough to get in between it, but all done now so in for some happy swimming. All proceeds go to cancer research so i dont make a penny on them. Diff breathers welcome to land cruiser owners on line. Hilux 4x4 enthusiast forum where we share our passion for toyota hilux vehicles. This kit high quality components for years of trouble free service, supplied with quality polyurethane hose which is. Used, toyota hilux rear diff lock actuator motor 2. Arb differential breather kit install for a 5th gen toyota 4runner duration. These diff breather kits provide all the necessary parts to mount the front and rear breathers in a higher position than the factory unit easily installed with basic hand tools, complete with 5 metres of breather line, 2 x pushin fittings, 2 x breather filters. The arb differential axle breather kit will allow this excess pressure to vent into the atmosphere, however when the assembly cools down, the air inside will. A set of remote breathers helps keep water out of the transmissions and diffs. Apr 10, 2020 your breathers should go to a point that is higher than where water will get to in a worst case scenario.
Mar 27, 2009 the stock breathers have no way of keeping water out of your differential case if you submerge the axle. Kits are typically installed into an engine bay and use sintered or foam type filters, which often become blocked due mud and. The breather on the rear diff was easy enough to locate and i believe i found the breathers for the front, transmission and add. Ironman 4x4s twin manifold breather kit, suitable for diff housings, transfer cases, gearboxes and winch motors. It will accommodate 4 inlets, 2 differentials, transmission and transfer case. This kit is a 4 port system which includes fittings for front and rear diffs transfer case and gearbox to suit toyota tundra, tacoma, 4runner, highlander, fj cruiser, landcruiser and many others.
Only difference from others is that i retained the stock breather instead of replacing it with a new one. Piranha 4wd diff breather kit offroad toyota landcruiser. A suspension upgrade is a good idea, incorporating a. Alan covers the basics on one of his top selling items.
Road runner offroad 4 point diff breather kit replaces your stub standard factory breathers to prevent water ingest into your diff,gearbox and transfer case. But im trying to work out how the hose connects to the top of the diff for diff breathers. It has an 8 crown gear g series for the toyota aficionados, chunky axles, the correct stud pattern, cheap as chips and lsds that are relatively cheap and readily available in the ratios i need. Do you have to buy a new screw in fitting for the diff, or just pull apart or drill out the existing fitting. A differential axle breather serves the important purpose on a 4wd vehicle of venting the air pressure in drivetrain assemblies such as the differentials, transmission and transfer case. Trust me ive had this issue with my hilux as i never fitted breathers before taking it through puddles. A suspension upgrade is a good idea, incorporating a maximum 50mm height increase. This complete diff breather kit makes for an easy and simple. Diff breathers welcome to land cruiser owners on line lcool. Even if you dont plan on going through much water, diff breather extensions allow you to keep the beathers in a high area out of the way of dust, and other grit that may cause your. On the hilux pickup owners club forum i sell a kit consisting of 2 axle fittings, a joinin tpiece and 6 meters of 6mm pneumatic hose. A trip to the local hardware store revealed a whole wall full of every conceivable type and style of fitting for 18 pipe thread. Had the hilux car at arb to fit th bp51s so i ended up getting them to pop in the breathers for me.
Roadsafe diff drop kit suitable for hilux kun ggn fj cruiser prado 120. For diffs, gearbox, transfer box transmission a standard diff breather allows for expansion, as the diff heats, a oneway valve allows hot air out of the diff. So here is a quick little write up for the diff breather mod. Toyota hilux mk6 front rear diff breather extension system. It seem requests for couplings to fit as diff breathers to a 4x4 is not new to them. Hilux surf rear diff teardown get ready for a locker duration. A straight shanked and a 90 degree 6mm hose union with a tread that matches the current diff breathers. This kit is intended to replace your factory breathers and contains enough fittings and tubing to connect at least four drivetrain assemblies. Under normal operations, these assemblies heat up and the air inside expands, increasing the pressure and thus the need to be vented to atmosphere is created if a factory fitted. To be honest i wouldnt bother raising the gearbox breathers unless you are a serious off roader and do some really deep wading.