I can't find a reliable source anywhere that says my truck is supposed to take 2 or 3 quarts of front diff fluid. You may have a bit of leakage, depending on how full the case is. Its primary function is to engage the axles of multi-axle vehicles. Edited August 18, 2008 by Mr. Mobil 1 oil change plus both differentials, transfer case, and a tranny flush the 4th.
I do feel better that I have Amsoil in it now and that I didn't pay the robbery prices at the dealer. Over time transfer case fluid becomes contaminated due to carbon build up from cooling hot drivetrain components. And you don't need to get all the tranny fluid out at once! Most conservative mechanics will recommend fluid inspection and or replacement at 40,000-miles, or even sooner in severe-duty or dedicated towing applications. Identify the Drain and Fill Bolts: I have marked the drain and fill bolts in this picture of my transfer case. . Here's how to change the transfer case oil.
Put the truck on ramps: You do not have to do this--you can probably get under the truck without this, but it makes moving around underneath a lot easier, especially if you are a bigger guy, like me. The first change at 5k miles it came out very silvery aluminum , at 15k miles it was clean and clear of anything. Not only was the transfer fluid and metal shavings disconcerting, but the rear diff was a full 1. Using a foot-pound torque wrench and socket, tighten the drain plug to 13 foot-pounds. We're the company that's here for you on the internet and in person. I'd agree if I knew that was regularly done on this truck, which it hasn't been.
It can be bad for the seals, and redistribute sediment. I only put about 10 miles and maybe it will improve with time??? One of the things that peeves me is that these oil changes are literally two bolts - drain and fill - and can be done in less time than a motor oil change, but the service fees are so high. If you have a four-wheel drive model, the transfer case is located center-left of the car. A transmission flush does not change the filter. Just for information, I had 21K miles and the rear fluid looked fine but changed it anyway. Now head out somewhere to go 4-wheeling, and enjoy your well maintained transfer case! This fluid is a light blue color rather than the red color of the previous fluids and is the next generation Automatic Transfer Case Fluid. I can't find a reliable source anywhere that says my truck is supposed to take 2 or 3 quarts of front diff fluid.
Just like your transmission, the transfer case requires fluid for both lubrication and cooling. Apply a coat of sealant to the threads of the drain plug and install it in the transfer case. It is also recommended to check fluid levels in the front and rear differentials at the same time. I'm pretty persnickety about fluid changes so I did it myself. The previous fluid and the new fluid can be mixed or topped off if necessary. Like the drain plug, this only needs to be hand-tightened. I am glad I did on my 2013 for sure.
To avoid this issue, it is recommended that the transfer case fluid be changed periodically, normally every 30,000 miles, especially in vehicles that tow or use four-wheel drive often. I now have 50,000 Miles, and am bringing it in for the 50,000 mile transmission service. Don't use anything other then autotrac 2 blue stuff from the stealership. Yes, you need to do a little research and use the correct oil. This article applies to the Chevrolet Silverado 1500 2014-present.
Reconnect the tranny cooler line, make sure fluid is at correct level and restart and check for leaks. Ensure that the plugs and fasteners go back into their original holes, and use only the factory-authorized thread sealant. You have to unbolt the cover for the diff, clean everything out, put new gasket sealer on there, tighten everything down, add your new special fluid, and then pray that it doesn't leak out everywhere and make you start all over. I am sure it is from break in. Having the transfer case fluid changed regularly will reduce the chance of any drivability related concerns.
I plant to change it again in 40k or 5 years, whichever comes first. I guess, I'm wondering does anyone purposley take the ingore it until it fails approach, strictly from a financial standpoint? I'm just thinking out loud here. In other words, use the blue stuff, change it every 50,000 kilometres and you should be all right. While I had the plug out I took pictures of the amount of shavings and sludge on the magnetic drain plug. So, hopefully the magnet picked up the majority of the metal.
Leave the drain pan in place and refill the transfer case using your pour tube or gear lube pump. Think of it being the same as how much you would tighten the engine oil drain plug. Once fluid starts coming out, give it one more slow pump. This forum is meant only for members who wish to post the specific steps to complete a project or modification of some sort. There was a little bit of metal shavings on the drain plug magnet but I think it was not that bad. Edited January 22, 2014 by kstruckcountry My drain plug looked like that out of my transfer case at just under 3000 miles when I changed the fluid. Wipe any spilled fluid from the transfer case with your shop rag.
This article applies to the Chevrolet. Probably going to service it this summer, and was thinking of changing to that. I was only sort of surprised when I changed the fluid in this one. The labor after the oil change alternator belt ac belt complete system flush and a new rear center brake light I may be missing stuff was a ton 880. Check for Leaks: Ensure the bolts are tight, and wipe up any residual fluid, to ensure there are no leaks. Clean any metal salt from the magnet on the drain plug.