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07-19-2019, 11:32 PM
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#1
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Name: texastruck
Title: Green Behind the Ears
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 44
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Gap in new main seal
I just replaced my rear main seal. It wasn’t leaking, but I figured since the engine was out of the truck, might as well replace it.
The install was simple enough, but once I finished up and inspected the new seal, I noticed there was a small gap in between the crank and seal on the right side. Isn’t it supposed to be tight against the crank all the way around? Did I get a defective seal??
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07-20-2019, 02:33 AM
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#2
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Name: texastruck
Title: Green Behind the Ears
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 44
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Rear main seal by , on Flickr
picture didn't show up in my last post
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07-20-2019, 09:14 AM
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#3
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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Quote:
Originally Posted by texastruck
I just replaced my rear main seal. It wasn’t leaking, but I figured since the engine was out of the truck, might as well replace it.
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Why???
If it ain’t broke, don’t fix it.....
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
Last edited by BigPapa; 07-20-2019 at 09:15 AM.
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07-20-2019, 10:43 AM
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#4
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Name: Rich dzl
Title: 12v guru
Status: Not Here
Join Date: Mar 2011
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Posts: 741
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I have seen that a lot and never had one to leak ..
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07-20-2019, 11:30 AM
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#5
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Name: Downtownbrown
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2017
Location: North texas
Member`s Gallery
Posts: 157
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Ive seen them have a gap like that a lot when you pull out the plastic sleeve and it stretches them, usually they go back down. Never had one leak that looked like that.
Sent from my iPhone using Tapatalk
__________________
Austin-
1994 rclb dodge 2500 5spd
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07-20-2019, 01:20 PM
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#6
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Name: TheHammer
Title: broke
Status: Not Here
Join Date: May 2012
Location: juneau wi
Member`s Gallery
Posts: 738
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Once the engine temp gets up, it should tighten up. I’ve had front and rear seals do this occasionally.
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07-20-2019, 09:44 PM
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#7
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Name: texastruck
Title: Green Behind the Ears
Status: Not Here
Join Date: Apr 2017
Member`s Gallery
Posts: 44
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Awesome, thank you everyone
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07-20-2019, 10:20 PM
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#8
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Name: fatty
Title: VE
Status: Not Here
Join Date: Mar 2009
Location: SW Idaho
Member`s Gallery
Posts: 957
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Quote:
Originally Posted by BigPapa
Why???
If it ain’t broke, don’t fix it.....
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I had my trans out and didnt replace the rear main seal because it didnt leak. I must have rattled it around too much because it started leaking immediately after.
__________________
91.5 W250
2019 F350
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07-22-2019, 09:04 PM
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#9
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Name: diesel_importer
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: Fairfield,TX
Member`s Gallery
Posts: 4,500
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Yea, I bet it will go back. Also, that's more like the dust cover. The teflon seal is on the other side and you can't see it when installed.
__________________
01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
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