Silverado ss front diff fluid So, I drained and filled my front diff with part # 12378261. I know that they don't have C-clips like the rear diff that would be holding the shafts in, but I can't figure out how to get the axles out. Aug 6, 2008 · The front differential vent was allowing fluid to migrate up and come out of the vent tube which is secured to the drivers fender well. As I was pouring the last quart into the rear I noticed that quart seemed much darker. I never thought to try an aftermarket parts house for the diff. I have read a lot and asked a lot of opinions on rebuilding it. More so for the front differential, the rear is easy enough a caveman could do it . Just wondering if they changed the bottle design or if it two different types of oil. May 19, 2003 · I wanted to change my axle fluids at around 500 miles as I have done on my prior GM trucks. 25") and what the gear ratio is (3. Change the fluid twice a year, (About every 5,000 miles), always have metal shavings on the plug, but no whine yet. Oct 4, 2014 · I have a 2003 silverado ss so it has the awd transfer case. 10 are the likely choices), then you can go the junkyard and find the same one If you jacked up just one side and filled the diff, then yeah, that extra fluid is just from being a little over-filled. basically rebuilding a dana 35 once a month. 25 or 9. Because i do not know what fluids have beeen changed and what has not i would like to put amsoil in my differentials and later my transmission. I'd like to use amsoil product in all just want to use correct weights. Put Mobil 1 75-90 in it. Nov 24, 2015 · I'm getting up some money for one now I just got a new transfer case from the dealer but they don't offer a front diff anymore this was the best price I could find on a reman diff even Ebay ones were in the $1200. I think that these diff's are constantly eating themselves. Looking to buy gear oil this weekend want to buy enuf thanks rick Mar 22, 2011 · I have read the posts about the whine and realize it is probably the front diff making the noise Over the weekend i changed the fluid. Jan 7, 2015 · You can use Synthetic in your front diff with no issues provided you replace your front differential vent connector, the original black one is not compatible with synthetic fluid. I dont want to say its a grinding noise but its close to it. :( Praying I don't have a bunch of metal shavings come out. I've had the truck a couple of months and ever since I bought it there has been a little howl coming off throttle. It starts usally around 30 and continues until about 60 and fades in and out. And multiple tows home. P's "how-To", but I'll be damned if anyone in my area has it. My question Apr 3, 2006 · I just purchased a 2003 with 36k miles on it. I've read that is pretty common. Diffs are pretty tough a lot of them never see a fluid change and keep on trucking, 200k+ miles. This stuff retails for $28. When I let my foot of the gas the noise goes away from a second but comes right Nov 30, 2005 · I changed the fluid in both my front and rear diffferentails last weekend. Mar 28, 2018 · If you jacked up just one side and filled the diff, then yeah, that extra fluid is just from being a little over-filled. On the other hand they seam to be overbuilt too so maybe it evens out. The problem I was having is, what call pinion howl at 40-60 mph and It was throttle sensitive. I want to open it up here and hopefully get some good advice. I also wanted to be sure that the front diff in my SS had Synthetic Gear Oil. Thats what I used. Make sure to clean off the drain plug well. I think that Blown 346 pretty much got it right on fluid and changes. All is good now. The magnet on the drain plug had a half inch ball of shavings hanging on it. So if I were to replace the manual transfer case in my 4x4 Silverado with an AWD transfer case, al Jun 17, 2014 · How much fluid does the rear take and also the front ? I hear syn blend 80w 90 gl5 in the front and 75-90 gl5 in the rear full synthetic. My truck is an 03 SS with 81K miles on it. Nov 9, 2010 · You'll find it with the diff fluid at Napa and Autozone (that I know of) for about $8. May 7, 2014 · 80/90 synthetic is perfect. is th Jul 29, 2010 · They are actually pretty easy to remove, turn the steering wheel all the way to the left, jack up the front end and support with jack stands, remove the front diff skid plate/shield, remove the front driveshaft, remove the relay rod (for more clearance), support the front diff with a jack, remove the inner axle shaft flange bolts (both sides), disconnect the vent hose from the diff housing Jul 19, 2011 · Okay, I officially have the front differential whine that I have heard so much about. The other noise is a rubbing/scuffing sound that would j Jan 17, 2010 · Hey whats going on guys I recently just bought an 03 silverado ss and i am hearing a whining and howling noise from the front of my truck. For the diffs, will Amsoil severe gear oil 75w90 synthetic be good for front and rear? May 25, 2010 · Haha! I know my way around these things decently After having a 94 wrangler with 35" tires and stock axles, i got used to replacing axles, spider gears, ring and pinion, yoke. You need to find out what size diff you have (8. Sure enough a bottle of 75W-140 was mixed in with the 75W-90 I had bought. Apr 4, 2014 · Thanks for the info Bill. 73's and you would have to pay to have the gears changed, in which case you might as well have your existing diff rebuilt unless it's damaged, 4) you could locate a good used diff from a 4WD with 4. make sure when you fill the diff that you fillit until diff fluid dtarts to seep out of the fill hole. 19 per bottle and takes about 3 bottles. Luckily there is no gear whine or anything, so im hoping the gearset is OK and just replace all the bearings. Im simply looking for a few good DIY/how to videos or write ups. I had to use a clear rubber tube ( you can buy them at Lowes Walmart etc) and put that over the bottle of gear lube to fill the diff. This is my first AWD vehicle so I dont know if this is common with AWD and something I should take to be looked at. Jun 22, 2013 · I just purchased a 2003 chevy silverado 1500 119,500mi. Its an '03. 73 or 4. Dec 11, 2005 · The dealer replaced my front differential last week. There is alot of conflicting information about this on the internet, but it seems that prior to 2004 they normally used a black vent piece on the 1500s and a white piece on the 2500s. It is very rare for these trucks to go 200,000 miles without the front diff having been rebuilt at least once. 00 price range and I personally would rather deal direct with whoever is doing the work I can't wait much longer as I'm feeling like Mar 14, 2009 · Obviously the front axle on these trucks has its fair share of bearing problems, and mine is on its way out. I can get 75W-90 Mobil 1, how much difference can there be? May 1, 2016 · I just bough my 2004 Silverado SS with 60k on it and want to do a fluid change in front/rear diff and tranny. 10 are the likely choices), then you can go the junkyard and find the same one Nov 14, 2010 · I am currently rebuilding my front diff on my 03 SS, trying to get rid of the famous front end growl and I have the diff removed from the truck but can't get the axle shafts removed from the diff. No chunks / metal pieces were in the pan but there was a lot of shavings on the magnet. I've had to rebuild the diff in my truck and have become paranoid about it. They seam to have a tough life. Sep 17, 2005 · I have been looking everywhere for 80W-90 synthetic for the front diff per Mr. I lost the front U joints on my front driveshaft and consequentially bent the drive shaft and broke the header. The old stuff came out grey. Should I rebuild the one that I have? If s Oct 31, 2015 · I've been having some random noises coming from the front of my truck for about three weeks. The black line is a vent tube. Dec 11, 2009 · The diff's from a C3, Yukon Denali or an Escalade will fit, but they would have came with 3. but knew that they are getting hard to find. Oct 24, 2014 · On a similar note, can you buy Mobil 1 75w90 with or with out LS? I have seen different bottles advertised. . 10's and swap your passenger side axle and axle tube Nov 13, 2020 · So my nightmare summer with my truck continues, after going through a transfer case, new brakes all the way around, new rear drive shaft, new suspension. noise still ther Feb 13, 2015 · I had obvious metal, (Although very minor and fine), on my drain plug within 500 miles of the rebuild and the fluid had a silver sheen to it. I think that that first fluid change at 500 miles is very important. I am not the original owner but my trucks front diff went out at about 45,000 miles. They told me that 90% of the time the front diff. Front and rear diff - 75w90 (couldn't remember 2-4 quarts?) Jan 12, 2019 · If you aren't towing heavy, you could probably push front/rear diff out to 100k miles without a problem. Since I had already started to pour it in and needed to used Rear axle (with QS4 axle only) SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378557 (Canadian P/N 88901362) or equivalent: Manual transfer case (NP1, NP2, and NP3) DEXRON®-lll Automatic Transmission Fluid: Front axle drive shaft spline or one-piece drive shaft spline (two-wheel drive with automatic transmission) Spline Lubricant, Special Lubricant Jun 3, 2003 · Thanks, I do believe it's a 2-piece axle in the regular 4x4's and the encoder motor engages to lock the 2-pieces together. Jul 13, 2014 · I had my front diff rebuilt about 30,000 ago. Checked the fluid and it looked like liquid anti-seize, was nasty. Mar 28, 2018 · You need to find out what size diff you have (8. Oct 14, 2010 · New vehicles that are expected to operate extensively in 4WD in temperatures below -24°C (-12°F) should have their front axle fluid drained and refilled with synthetic axle lubricant during PDI or before delivery to the first retail customer. I noticed a sound when Im turning. If you use RP or RedLine synthetic diff fluid then you don't need the additive. New dr Dec 6, 2009 · I need to change the oil in my front diff, what brand/weight do I need? Not having any problems or noise with it, but I don't think the fluid has been changed at all, so now is a good a time as any. I did all the fluids a couple years ago and would like to do them again. It's in a tube and the stuff looks blue. idgj haff asxb nqmtlb dluea glp kkso oofsc idqlr kdxms