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#1
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Just changed my differential fluid and replaced it with MOBIL 1 Synthetic...
Hey.
Just finished the job and it took about 15 minutes to complete. I first opened the top bolt and then the drain one. I could not believe how bad the fluid smelled (literally like crap). It was very very black in color so I don't imagine that anyone has ever changed the fluid in there. I did get one of those squirt guns (don't know the proper name) and filled it with Mobil 1 75-90. The fluid was so different in color compared to the old one, like night and day. I highly reccomend this maintenence to the car. I still could not believe what stench came from there. Thanks
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Audi TT |
#2
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On the 240D? How much did you put back in?
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1985 300 D T - Rauchsilber (Smoke Sliver Metallic) with MB Tex Quartz 155 = Cream interior - 320K and counting! 1999 E300 TD - Silver - Just got her 3-13-15 ! the 2nd '83 300SD - Brown Metallic - traded away 1985 Limo Diesel aka "Stretchy" - Sliver - Blue Int - Sold but still in Athens 1983 300SD - Brown Metallic - Sold April 2008 1982 300 D T - Royal Blue with Tan interior - Sold |
#3
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Yes, on the 240D. I put probably 1.1 quarts or so.
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Audi TT |
#4
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Does this require one of those large allen wrench sockets? Was it difficult to loosen? (probably not if it only took 15 minutes) Finally, did you tilt the vehicle slightly to improve drainage or was the bolt underneath?
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1985 300 D T - Rauchsilber (Smoke Sliver Metallic) with MB Tex Quartz 155 = Cream interior - 320K and counting! 1999 E300 TD - Silver - Just got her 3-13-15 ! the 2nd '83 300SD - Brown Metallic - traded away 1985 Limo Diesel aka "Stretchy" - Sliver - Blue Int - Sold but still in Athens 1983 300SD - Brown Metallic - Sold April 2008 1982 300 D T - Royal Blue with Tan interior - Sold |
#5
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I pulled my 240D diff when I replaced it with the 2.88 from a scrapyard. My 240D has 242,000 miles, and the diff fluid smelled BAD too. The 2.88 did not, but I replaced it with Redline 75W-90 NS.
And you need a 14mm hex socket (Allen) to get the plugs off. Get a good one, those plugs are TIGHT! - I needed my 1/2" 3 foot long breaker bar on the socket to remove them.
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'83 240D with 617.952 and 2.88 '01 VW Beetle TDI '05 Jeep Liberty CRD '89 Toyota 4x4, needs 2L-T '78 280Z with L28ET - 12.86@110 Oil Burner Kartel #35 http://i16.photobucket.com/albums/b1...oD/bioclip.jpg |
#6
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I got a set of 3 Allen Head Sockets from AutoZone for 8 bucks. One of them was size 14mm so I needed that for this job. It wasn't all that tight, I put the socket in there and just pulled the hell out of it and it went loose.
The bolt was directly underneath the car. I actually had the car on ramps but in the rear.
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Audi TT |
#7
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[QUOTE=Old300D]I pulled my 240D diff when I replaced it with the 2.88 from a scrapyard. My 240D has 242,000 miles, and the diff fluid smelled BAD too.
Can't smell half as bad as the oil from the lower unit of an outboard Cheers, Bill |
#8
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Have been using M-1 on my diff and tranny with very good results, no noise even after 500,000 miles of rough roads. I change my diff fluid at 30,000km and my M-1 ATF in the tranny at 25000km. Have been very happy with this procedure.
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#9
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does it really make that much of a difference?
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have no worries.....President Obama swears "If you like your gun, you can keep it |
#10
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I don't feel any difference at all. I guess it just makes me feel better knowing that my maintenence on that part of the car is done.
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Audi TT |
#11
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There is no performance increase using M-1 as such but the benefits outweigh all the cons if there are any, you get less friction which leads to better mileage, smoother shifting, less noise and best of all, if M-1 is used when the vehicle is new or with a re-conditioned tranny or diff, the life nearly quadruples if the oil is changed and topped up regularly. On off road conditions, M-1 is a life saver in situations where the tranny is taking massive blows and plenty of wheel spin is induced.
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#12
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What about....
what about Valvoline SynPower? I bought some Mobil 1 75-90, but returned it when I got the chance to buy Valvoline, as I am a big fan of theirs. Hoping to change that oil back there pretty soon.
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-Matt EPA Section 609 Certified MVAC Technician ----------------- Oil Burner Kartel Member #10 Ahh the smell of Diesel Fuel, it's like coffee in the morning! My Car: 1982 300SD Turbo Diesel (231,500 miles!) RIP 1984 300SD Turbo Diesel Custom (235,500 mi on driveline.) - On Road!! www.icsrepair.com |
#13
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Allthought I know to see If I can get the fill plug off before draining it, I dont know how much should be put in. Does it really make that much of a difference if I err on the side of overfilled? Is there a way to see how much should be in there?
Also what kind should I be using for a 76 300d? Sorry for the hijack, but I just realized that the diff fluid is at least 10 years old.... ~Nate |
#14
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Quote:
http://dieselgiant.com/mercedesreardifferentialfluid.htm
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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate Sooner or later every car falls apart, ours does it later! -German Narrator in a MB Promotion Film about the then brand new W123. |
#15
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Quote:
Diff fluid always smells nasty. Even fresh gear lube, despite its nice color, smells pretty foul. Any brand of gear lube is better than not changing it, but synthetic is better than conventional oils. I'm sure Mercedes has synthetic gear lube they will sell if you want to be a purist. |
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