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Thread: rear seal leak will not stop!
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08-12-2011, 08:43 PM #1
rear seal leak will not stop!
Put trans in car rear seal will not stop leaking, replaced the seal and is still doing it, but only does it under a load when u drive it like a grandma it doesn't leak,
Any ideas anyone? Help plzDustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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08-12-2011, 10:51 PM #2
Where does this little plate go?
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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08-12-2011, 11:19 PM #3
You talking about the bushing that goes on the tail shaft right?
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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08-12-2011, 11:43 PM #4The FABRICATOR!
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You mean the transmission output shaft seal is leaking? or the rear main seal?
If its the trans seal I would suspect too much fluid in the pan. All the seals I've seen have a "weep" hole in the seal itself. Id say when it gets to pumping up the fluid is not returning to the pan fast enough and its just blowing out.Last edited by firebird_1995; 08-12-2011 at 11:51 PM.
Chris
1985 Monte Carlo SS
Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
Check out the M122 MCSS build thread here!
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08-12-2011, 11:56 PM #5
Output where the drive shaft slides on lol
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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08-13-2011, 12:21 AM #6The FABRICATOR!
- Status
- Offline
- Join Date
- Jul 2011
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- Chris
- Vehicle
- 1985 Monte Carlo SS
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- southern illinois
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Yea check the fluid level.
Chris
1985 Monte Carlo SS
Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
Check out the M122 MCSS build thread here!
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08-13-2011, 12:45 AM #7
Fluid level is good. Idk what's goin on
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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08-13-2011, 12:50 AM #8The FABRICATOR!
- Status
- Offline
- Join Date
- Jul 2011
- Name
- Chris
- Vehicle
- 1985 Monte Carlo SS
- Location
- southern illinois
- Posts
- 7,164

Also check the vent tube. If its plugged it will force fluid out the seals. Driveshaft yoke could be chewing the seal up if its nicked too.
Is it the same trans that came out of it? Was it rebuilt or something?Last edited by firebird_1995; 08-13-2011 at 01:11 AM.
Chris
1985 Monte Carlo SS
Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
Check out the M122 MCSS build thread here!
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08-13-2011, 01:59 AM #9
Na came out of a 94 camaro with 150000 miles and sat for ten yrs
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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08-13-2011, 04:33 PM #10
If the seal was new, the rear bushing might be worn out causing the driveshaft to wobble.
1995 Z28 1997 SS S10
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