The truck is old, looks like the axle seals are starting to seep, I'm gonna just go with 80-90. Do you have a G80? Also, 73-87… There are four ways to find a ratio. These shavings are not detrimental to component operation and do not require component replacement. This takes a few hours to do correctly. The front differential on a 1999 Chevrolet Silverado takes the input from the transfer case and uses it to turn the front axles and the front wheels when four-wheel drive mode is engaged. There is a plug up on the side of the housing close to where the driveshaft bolts to the front of the housing. The gears break in and the result is metal in the oil.
There is no downside to running synthetic all around. Front axles in the above-listed vehicles built before April 1, 2004 are manufactured with mineral-oil base axle fluid. There is no downside to running synthetic all around. Each of these part numbers is the same axle lubricant, with differences in packaging only. The G80 is a locker and requires no lsd additives. So, do I put the Valvoline with limited slip wrote on the front of the bottle back in there, or is there a different recommendation from you guys? First drop drive shaft use blaster spray around nut inside yoke then remove yoke this will release the pinion gear in step three. Supply the parts to your mechanic and save money.
Also what is on the front diff drain plug magnet. . As far as service, I recommend following the manufacturer's recommendations locaed in the owner's manual. Step 6 After all oil is drained i then cleaned bottom drain plug surface inspected drain washer mine was still good and reinstalled lower drain bolt after drain bolt is installed then you can get your gear oil of choice i used a hand pump that attached to the quart bottles to fill the the differential and filled it with 75w90 yamaha gear oil that we use in boats its the same gear oil as used in cars if not better it has extra anti foaming agents and is more resitance to water breaking the oil down, its also much sitckier and designed to cling to bearings and gears better step 7 The differential will be full once the oil begins to flow out of the hole you are filling from. Might have to move or remove skid plates to get access.
Do not add anything either way though. I would have at least two bottles. I can't imagine no one has ever changed it. If you are changing your front diff fluid to synthetic and you should! Yeah, it does seem stupid that the 1500's don't have a drain plug on rear diff. Slip the tube of grease into the hand pump with the nozzle end facing forward.
Important: Front axle assemblies with a vent hose connector assembly that is white in color do not need to be changed. Small metal flakes and fine metal dust on the plug magnet are considered normal. This way, if you have trouble loosening it, you're not left with an empty differential. The fluid should be changed. Let me know if you have questions or help doing it. It is not necessary to flush the front axle assembly. I wasn't going to break it open if it doesn't leak.
All of the axles undergo the same process to replace the differential fluid, only the fluid capacities change. Differential fluid, or gear oil, is added to your differential to keep the gears inside it lubricated and functioning properly. I've done this on many cars and my 2004 Colorado so I'm sure they are the same. My question, why can't I find a regular brand name 80-90??? If you change the front ratio you also need to change the rear ratio at the same time. I'm pretty sure that you pop off the cover to drain Leave a couple of bolts on loosely when you pop the cover , you will want to clean off the inside of the cover anyway and the magnet. The front differential is a full synthetic gear lube. Drivetrain - Synthetic Fluid Usage in Front Differential File In Section: 04 - Driveline Axle Bulletin No.
As long as there wasn't any chunks or large fragments you should be fine. If I remember correctly the differentials are suppose to be good for 100,000 miles. Metal Shavings — Metal shavings, which are often remnants from the housing machining process, may adhere to the plug magnet. It might say limited slip but there shouldn't be much is any modifyer in it. The G80 is a locker and requires no lsd additives. Important: Front axle assemblies with a vent hose connector assembly that is white in color do not need to be changed.
Components should be inspected for damage and repaired as needed. Leaking fluid or noise coming from the front differential is a problems. Should this happen, you must remove the differential from the Chevrolet and replace it with a new one. Fill to a level between 6 and 9 mm 0. Lower the jack until the Silverado's weight is supported only by the jack stands. Anything else will absolutley kill the transmission especially mercon dexron.
I will admit I slid under it to look and have not had it up high enough to remove the skid plate. Also believe you can re use the gasket. At first couldn't find it, but it was recessed into the forward bottom of the diff more towards the input shaft. It compensates front to rear just as an axle differential compensates left to right. Remove the wheel chocks from the front wheels.
I think I see where to empty it, but not sure and I'm very lost on where to fill it. No, looked silver coming out. Basically all you need to do is remove the differential cover and the gear lube will drain out. Should this differential fail, then the front axles may not turn, and could potentially lock up. I will admit I slid under it to look and have not had it up high enough to remove the skid plate. Power dividers can be automatically or most likely manually locked via air pressure when traction loss occurs on one or more wheelsets.