75W90 GL-5 Gear Oil Finally, be sure to clean the contaminants off the other housing components of the differentials. I did my first at 10 K, break in change. Using a 14mm spanner or socket, remove the vibration dampener from the rear of the transfer case; Remove the clip holding the earth strap from the transfer case guard. Since the rear differential fluid gear oil is thicker it is best to get the differential fluid warm before draining it. i was gonna do my rear ends but then i read my tag that said "limited slip diff fluid only".. On the Jeep forum, it states that TJ front and rear differential fluid should be changed every 12,000 miles for heavy driving (off-road). It's available in 1, 2.5, 4 and 20 litre containers. When cornering, the inside tire turns slower than the outside tire. The owner’s manual of your vehicle is the best place to learn the exact mileage that you need to travel before the front differential fluid should be changed. I called the Redline tech line, they were very knowledgeable and helpful. You may not be aware of these checks, which could lead to component failures. When changing the front differential fluid, it will cost you anywhere from $70 to $130. In this case, the front differential will use totally synthetic oil while the rear differential will use a much thicker oil. The differentials may even be built into the front and rear ends. Differentials are what let the wheels of a vehicle rotate at varying speeds, especially when turning a corner. As for changing the rear differential fluid, the estimated overall cost is a little more at a range of $80 to $150. Differential fluid changes need to be made periodically for both the front and rear differentials. Can I use 75w-140 oil in Dana 30 and 35 without vari-lok? This is the same concept as when you need to change your engine oil. Replace the fill plug and tension to 49Nm. As for changing the rear differential fluid, the estimated overall cost is a little more at a range of $80 to $150. I used to change the diff oil in my Durango with a limited slip diff when it would start binding the rear diff and chirping tires on sharp slow turns. I called AMSOIL's technical team and they explained that our 75W-90 Severe Gear actually has limited slip friction modifiers already formulated in the gear oil, and that I don't need to add any extra. Most manufacturers will say to change the fluid at 25,000-mile intervals, while others may recommend 30,000-mile intervals. Capacity is around 1.9 litres; Replace the bash plate/cover under the differential. Note that Penrite make GL-4 and GL-5 versions of ProGear 75W85. It's not just a 'grease and oil change'. You will need a large pan to catch the fluid or gear oil in after you drain it from the differential. Note that Redline make GL-4 and GL-5 versions of 75W90 oil. In that thread some owners were recommending a fluid change at 4K-5K miles to help avoid the failures others were seeing. Hi, I want to change oil in my differentials. A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts. Fit new crush washers to the fill and drain plugs. I am changing my personal change interval to 120,000 km (75,000 miles) for the rear diff oil change. Do you have any idea how much do I have to use from this additive and how much oil I need. It's available in 1, 2.5 and 4 litre containers. I just got the basic 80-90W gear oil, about 5 quarts. LandCruiser 200 Differential Oil. This must have been part of a larger effort to switch to full synthetic instead of mineral-based oils. Rear oil was still golden, very little contamination. But for standard driving, you can change the differential fluid every 24,000 miles for the front and rear differentials. The local dealer will charge you a whopping $400 to change these oils, but it's one of the simplest service procedures you'll ever find, and you can do it yourself in under an hour with basic tools and less than $200 worth of premium quality oil. Front differential, rear differential and limited slip differential (LSD) all require gear oil to lubricate and keep the differential drive components cool. There are a few more choices in this grade, with the following being suitable: Penrite Pro Gear 75W90:  Progear 75W90 is a fully synthetic gearbox and differential oil from Australian company Penrite. This 73 old man changed the rear diff Fluid today it’s a LSD. From what I can tell, Limslip oil is designed for vehicles with limited slip differentials, and thus has extra additives over a normal hypoid gear oil. Experienced home mechanics will find it boring/verbose, newbies like me may find it useful. I am changing my personal change interval to 180,000 km (112,000 miles) for the front diff oil change. I dont want to mess with it until I know I have the right stuff. Changing fluid won’t help with the knock, but needs to be done. The following are suitable: Penrite Pro Gear GL-5 75W85:  Progear GL5 is a fully synthetic gearbox and differential oil from Australian company Penrite. This includes the labor costs between $50 and $70 and the parts costs of around $30 to $80. The cost of replacing your differential fluid will be more expensive than changing your engine oil. This will allow the rear differential fluid viscosity to get thinner and flow more easily from the rear differential when drained. Between the front and rear differentials, a total of approximately 6.3 litres of oil is required. Your local repair shop will be able to recommend the best oil for your differentials. Nulon Smooth Shift 75W90:  This is a fully-synthetic GL-5 gear oil from Australian company Nulon. (and How to Bypass It), 5 Symptoms of a Bad Ignition Switch (and Replacement Cost), Curb Weight vs Gross Weight (What’s the Difference?). Like any other automotive fluid, differential oil should not just be drained onto the ground or the grass because that would be toxic to the environment. It would do so every 25k, but I towed a camper so YMMV. Limited Slip oil, which contains friction modifiers to reduce squeal and provide smooth power take up. The LandCruiser 200 in Australia runs 'open' differentials front and rear, so there's no requirement to use limited slip oil in the rear diff. Amsoil Severe Gear 75W90:  This is a fully synthetic gear oil from US manufacturer Amsoil. I’ll probably do,again at 20k. * - The SAF-XJ synthetic fluid replaces the previous factory recommendation of SAF-XLS mineral oil for clutch-type limited-slip differentials. Another important consideration when it comes to differential fluid is the requirements of the limited slip, or traction-sensing differential. This can be done by taking your car for a quick 10-15 minute drive. Hypoid oils have additives to help them cope under extreme pressure, but as limited slip diffs still have hypoid gears in, I would assume limslip oil … No warranty is provided as to the accuracy of the information, and/or whether it applies in your situation or to your vehicle. This includes the estimated labor costs of around $40 to $60 and the estimated parts costs which are from $30 to $70. Remove the bash plate/cover under the differential; Place a drain pan (at least 3 litres capacity) under the differential; Using a 10mm allen wrench, remove the fill and drain plugs; Fit a new copper washer to the drain plug and a new crush washer to the fill plug; Refill the differential with 75W85 GL5-spec oil, until the oil flows from the fill hole. A vehicle's rear differential sends power from the driveshaft to the axles. You MUST use the GL-5 version in the 200's differentials. It depends on the type of Limited Slip Differential (LSD). Using a 12mm spanner and socket, remove the 8 bolts holding the guard to the transfer case; Remove the fill and drain plugs, and allow all the oil to drain out. Pros and Cons of Limited Slip Differential. No need to add more. The differential allows the tires to rotate at different speeds. You MUST use the GL-5 version in the 200's transfer case. The front and rear differentials typically use the same type of fluid, unless there is a transaxle built into the front differential. I'll try and find some additive in my local Kragen/CSK.. All these total prices are subjected to additional taxes and fees. (just for rear to start with). It comes in US sizes of 1 quart (946ml)  and 1 gallon (3.79L). Redline full synthetic 75w90 GL5 gear oil for hypoid Limited Slip Differentials has plenty of friction modifier in it. There are many additional checks which take place during routine vehicle servicing. Affiliate Disclosure:  We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. It will be up to you to keep track of how many miles you’ve gone since the fluid was last changed. I also had a limited slip diff on my Wrangler (worked amazingly well off-road, wheeling up slippery rocks). When changing the front differential fluid, it will cost you anywhere from $70 to $130. The recommended oil for the transfer case in the 200 is slightly different to the differentials, being a 75W90 GL-5 gear oil. The following should not be taken as instructions. Capacity is around 4.2 litres. Remove the fill plug and the drain plug, using a 24mm socket. Unless you get maintenance done at the dealership where you bought your car, the mechanics are probably not going to tell you when the fluid needs to be changed. It is simply a documenting of the procedure I followed for my own servicing and maintenance. It is approx 3.8 Oz - 114 ml. The specified oil … I changed it every 30k. I have a 1996 GM sedan with limited slip diff.. the toyota does not require any limited slip additive it is a open diff with no clutches. This video shows you how to tell if your rear wheel drive car or truck has a limited slip differential, and also what gears it has. but I'm not sure about other models. the axles are always in the locked position so If I did not add this additive the diff would chatter on turns . Between the front and rear differentials, a total of approximately 6.3 litres of oil is required. If you undertake your own servicing, you do so entirely at your own risk. Instead of formulating multiple gear oils of the same viscosity, but different frictional properties to address occasional chatter in limited-slip differentials, you can use a gear-lube additive that alters the fluid’s original frictional properties and eliminates chatter. 6 Causes of Engine Ticking (When Accelerating or Idling), 4 Bent Engine Valve Symptoms (and How to Prevent Them), 25 Reasons a Car Jerks When Accelerating (and Under Other Conditions), What Does a Bad Starter Sound Like? These need a special. If your front differential has a transaxle built into it, then you may even need to change the fluid every 20,000 miles. Clean the fill and drain plugs, including the magnet on the drain plug. I bought a limited slip differential additive (please see it on the picture). I strongly recommend you have your vehicle serviced regularly by a qualified mechanic. Since this is a very technical process, it is best to have a trained auto technician do this job for you. Used to engage both sides of the axle in the event of needed traction, the limited slip differential causes both drive tires to receive power, resulting in added traction. This includes the estimated labor costs of around $40 to $60 and the estimated parts costs which are from $30 to $70. Drained the 'Toyota Limited Slip Differential 75W-85 gear oil TL GL-5' recommended by Dealer because clutch plates were binding and shuddering when turning. There is the potential for expensive vehicle damage from improper servicing procedures. Refit the drain plug and tension to 49Nm. In this situation where there’s a transaxle involved, the transaxle will need to be replaced after you drain the old fluid and replace it with new fluid. I have 1979 Trans Am with a limited slip differential and I want to change the differential oil. Fit new aluminium washers to the drain and fill plugs; Refill the differential with 75W90 GL5-spec oil, until the oil flows from the fill hole. How Long Does It Take To Charge a Car Battery? If you have the standard plastic cover/plate, then these are the bolts to remove: Use the icons below to Some car manufacturers place the differentials in the front and others place them in the back. With the limited slip, you will add 2 quarts and one bottle of modifier. Thanks! The 75W140 weight is strange to us but it's the only gear oil listed in BMW's official fluid guide for these differentials. The LandCruiser 200 in Australia runs 'open'  differentials front and rear, so there's no requirement to use limited slip oil in the rear diff. Install a new gasket too because the old one will be worn now. The transfer case and front/rear differential oils in the LandCruiser 200 should be changed at 40,000km intervals. There are three basic types of differentials – open, limited-slip and locking. Castrol Syntrax Universal Plus 75W90:  Syntax Universal Plus is a fully synthetic, GL-5 gear oil. Read also: Pros and Cons of Limited Slip Differential. Some limited slip fluid smells burnt when new and is dark ... (LSD Dana). Only around 1.5 litres of oil is required for a full change. share or like this page: There are potentially lethal dangers resulting from the vehicle during the procedure. Capacity is around 1.5 litres; Apply loctite to the guard retaining bolts and replace the bolts. … In order to avoid this, the manufacturers recommend changing the differential fluid every 50 000-60 000 miles, and in case of intensive “acceleration-braking” driving, the differential fluid change is required every 30 000-40 000 miles. Be sure to wear clothes that you won’t mind getting dirty either. Once again, the owner’s manual of your vehicle is the best place to find the appropriate interval for changing your rear differential fluid. The specified oil is a 75W85 viscosity, with a GL-5 specification. In the Challenger, you will want to add up to 3 quarts of gear oil without a limited slip rear. It's available in 1, 2.5, 4 and 20 litre containers: Redline gear oil 75W85:  Redline is a specialised US oil manufacturer. I also have D44 LSD, with a slight knock, not like what people are saying in the above thread. How do I know if my diffs are limited slip? There are very few oils available that meet the required specifications. They produce a suitable fully-synthetic GL-5 oil which comes in US sizes of 1 quart (946ml)  and 1 gallon (3.8L). the diff fluid change schedule is every 20k miles, so you are way over due. Fluid Levels: Having the proper fluid levels are important to keeping your differential alive. Generally, most car manufacturers will recommend the fluid get changed after at least 30,000 miles, but some may allow you to go up to 50,000 miles. Regular rear diff, not limited slip. Presumably the n/a 4.2 has the same diff (and possibly the 2.7D?) If you're not qualified and/or don't have the correct equipment, don't attempt to perform your own vehicle maintenance. Second-guessing the engineers that designed the differential and filling up the case with the wrong gear oil can ultimately add up to an expensive guess. Changed the differential oil on my 2007 STR today and thought I'd make a short guide. Installed 'Castrol 80W-90 (GL-5)', works great now. There are differentials in every vehicle on the road. Otherwise, the front differential and rear differential can use the same type of oil if there is no transaxle. It's available in 1, 2.5 and 4 litre containers: Redline 75W90 GL-5:  Redline produce a suitable fully-synthetic GL-5 oil which comes in US sizes of 1 quart (946ml)  and 1 gallon (3.79L). Once the fluid is drained into the pan, you should place it into a secured container and bring it to a quick lube place, auto repair shop, or hazardous materials disposal site so it can be discarded properly. Gear Oil for Differentials These products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers (except NS) for proper limited-slip … According to Ameridian's blog, FCA recommends a 75W-90 GL-5 hypoid gear oil with FCA's multi-vehicle limited slip additive (for the Abarth). Refill the differential with 75W85 GL5-spec oil, until the oil flows from the fill hole. More frequently if you're operating in severe conditions.

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