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Old 11-11-2006, 06:45 PM   #1
ssprint
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Default Diff seal leak

It is hard to replace a Differential seal? My differential started leaking after a garbage bag wrap around it while drive home. i was able to removed the tangle plastic bag but i notice leak after driving the car. Does anyone know a step by step fix procedure or a link. thanks
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Old 11-11-2006, 10:19 PM   #2
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Default It's not a hard process

http://www.unofficialbmw.com/e36/drivetrain/e36_final_drive_fluid_change.html



It's not a hard process, and fortunately for you, the gasket is between 3 and five dollars from BMW.

Follow the directions for the fluid change, but when all the fluid is out, unbolt the cover and replace the gasket. Then you bolt it back on.

Few tools you'll need that arent common, but they're available at napa for a pretty reasonable price.

Good luck.
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Old 11-12-2006, 12:27 AM   #3
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Your talking about which seal?

1. Pinion seal (Seals driveline input to diff.)
2. Axle seal (1 on each side behind CV joints.)
3. Diff cover seal (as described in previous post....)

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Old 11-12-2006, 05:18 AM   #4
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If you are referring to the flange seals, I was gonna do them, but decided not to. Couldn't figure it out easily, and they didn't seem to be leaking, so I just popped the flanges in.

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It is hard to replace a Differential seal? My differential started leaking after a garbage bag wrap around it while drive home. i was able to remove the tangle plastic bag but i notice leak after drive the car. does anyone know a step by step fix procedure or a link. thanks
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Old 11-12-2006, 08:49 PM   #5
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this is where the diff leak is coming from.

driverside axle seal.
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Old 11-12-2006, 11:02 PM   #6
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Those are the ones I bought the seals for, but never replaced. I think someone on this site "Cali-Ti" replaced them, when he did his diff swap.

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this is where the diff leak is coming from.

driverside axle seal.
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1998 (July) 318ti, 5-spd
OEM Armrest • Blaupunkt Heidelberg CD50 CD Player/Compact Drive MP3 Player • Diamond Audio 5.25" rear speakers • Navman ICN 530 GPS • BMWALARM.COM (with comfort settings) after market alarm system • Magnecor 8.5mm wires • M-Z3 Shifter/Momo Knob • Burlwood Dashboard • Stromung Exhaust • X-brace • Racing Dynamics Front Strut Bar • Carbonio C.A.I. • 17" Rial Rims • Vader Seats/Heated/Lumbar Support • M-tech Steering Wheel/Front Sway Bar/Front & Rear Bumper • Depos/w 6500K Angel Eyes/6000K HIDs • Clear Corners • M3 Mirrors • UUC Light Weight Flywheel/M5 Clutch/M3 Clutch Slave • E28 3.46 LSD/Mcoupe Cover/E30 Flanges & Halfshafts • UUC S.S. Brake/Clutch Lines • Hartge Roof Spoiler • BavAuto Springs• Bilstein Sport Struts/Shocks • E46 M3 Rear Shock Mounts • SPC Front Camber Kit • Reiger Hatch Spoiler • BavAuto Rear Camber Kit • Dinan Stage II Software • Turner Rear Sway Bar Reinforcements • BMW E46 Auto dimming mirror with Clown Nose alarm • Engine Compartment Light • Heated Wiper Fluid Retrofit • OEM Fire Extinguisher • Da'lan Trailer Hitch • Rear Sun Shade • OEM Fog Light Retrofit • H & R MZ3 Rear Sway Bar/ UUC Adjustable End Links • Cruise Control Retrofit • On Board Computer Retrofit • M3 twistie style side skirts • Carbon Fiber Hood
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Old 11-27-2006, 01:58 PM   #7
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bump. anyone else had the same problem? let me know thanks
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Old 01-18-2007, 07:49 AM   #8
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I'm bumping this..to see if the output seals are easy to do?
will the shafts drop once unbolted to the flanges? (I did this on an e21 lsd- the shafts are flatter though and dropped easily, flanges popped out easily making the seal replacement a breeze.)

the link above is for the cover gasket...
anyone done this on their own?
tia-joshua
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Old 01-19-2007, 10:41 PM   #9
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has anybody dropped the CV's for a seal replacement?
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Old 01-19-2007, 10:55 PM   #10
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Are you referring to part #6?



I couldn't figure out how to replace them, or I would have done it. You will have to pop out the flanges, then get the lock ring out. REALOEM says there is a lock ring that holds the seal in. It just didn't look intuitive when I looked at it. If you need to replace it, then do the deed, it can't be too hard.



Quote:
Originally Posted by marleymon View Post
I'm bumping this..to see if the output seals are easy to do?
will the shafts drop once unbolted to the flanges? (I did this on an e21 lsd- the shafts are flatter though and dropped easily, flanges popped out easily making the seal replacement a breeze.)
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1998 (July) 318ti, 5-spd
OEM Armrest • Blaupunkt Heidelberg CD50 CD Player/Compact Drive MP3 Player • Diamond Audio 5.25" rear speakers • Navman ICN 530 GPS • BMWALARM.COM (with comfort settings) after market alarm system • Magnecor 8.5mm wires • M-Z3 Shifter/Momo Knob • Burlwood Dashboard • Stromung Exhaust • X-brace • Racing Dynamics Front Strut Bar • Carbonio C.A.I. • 17" Rial Rims • Vader Seats/Heated/Lumbar Support • M-tech Steering Wheel/Front Sway Bar/Front & Rear Bumper • Depos/w 6500K Angel Eyes/6000K HIDs • Clear Corners • M3 Mirrors • UUC Light Weight Flywheel/M5 Clutch/M3 Clutch Slave • E28 3.46 LSD/Mcoupe Cover/E30 Flanges & Halfshafts • UUC S.S. Brake/Clutch Lines • Hartge Roof Spoiler • BavAuto Springs• Bilstein Sport Struts/Shocks • E46 M3 Rear Shock Mounts • SPC Front Camber Kit • Reiger Hatch Spoiler • BavAuto Rear Camber Kit • Dinan Stage II Software • Turner Rear Sway Bar Reinforcements • BMW E46 Auto dimming mirror with Clown Nose alarm • Engine Compartment Light • Heated Wiper Fluid Retrofit • OEM Fire Extinguisher • Da'lan Trailer Hitch • Rear Sun Shade • OEM Fog Light Retrofit • H & R MZ3 Rear Sway Bar/ UUC Adjustable End Links • Cruise Control Retrofit • On Board Computer Retrofit • M3 twistie style side skirts • Carbon Fiber Hood
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Old 01-20-2007, 02:06 AM   #11
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Old 01-20-2007, 02:08 AM   #12
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doh- wait- unbolt the cv from flange....unbolt the shock and the rear sway....hang the arm...then it (the lip) can clear the the flange....?
I'll get it this weekend.....forgot the arm would hang lower ...doh
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