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orings transmission seals #740068
September 04th 2018 4:11 pm
September 04th 2018 4:11 pm
Joined: Jun 2010
Posts: 1,030
USA
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nikothenomad Offline OP
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nikothenomad  Offline OP
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We're making up a list of projects to work on at our next long-term stop. One of them is to replace the O-rings on outer transmission parts like the neutral safety switch, dip stick, etc. I am having trouble sourcing these though and don't exactly know what to call each part. So far only found the dip stick one. Thoughts?\


Nicole
1988 Dodge B250 5.9l 360 Ram CamperVan / 727 Tranny / Rochester Quadrajet Carb
www.nikothenomad.blogspot.com
Re: orings transmission seals [Re: nikothenomad] #740071
September 05th 2018 4:46 am
September 05th 2018 4:46 am
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Posts: 105
Pennsylvania
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Dw89xj Offline
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Dw89xj  Offline
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Pennsylvania
There's a kit on eBay that looks to have every o ring and seal you could think for a 727 it's 60 or so bucks.


98 Dodge shorty hitop mark iv
95 Chevy van 20 regency hitop conversion van
Re: orings transmission seals [Re: nikothenomad] #740084
September 05th 2018 11:01 am
September 05th 2018 11:01 am
Joined: Aug 2001
Posts: 11,866
Fircrest, WA
Reed Offline
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Reed  Offline
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Fircrest, WA
I like:

http://www.makcotransmissionparts.com They have diagrams you cna look at to find the names of parts.

Also, http://oregonperformancetransmission.com is good, too.

And there is always good old Rockauto.

If you are wanting to replace all the outer seals on the tans, you will need the output shaft seal, the gear selector shaft seal, the dipstick tube seal, the transmission pan gasket, and the NSS (neutral safety switch/neutral start switch) seal. All the other seals require removal and/or disassembly of the trans to get to (the front pump seal, all the clutch pack and servo seals, etc...) Really, this shouldn't cost much more than $20 in parts.


Windows- they're what make a van worth owning!
Re: orings transmission seals [Re: nikothenomad] #740234
September 08th 2018 5:45 pm
September 08th 2018 5:45 pm
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nikothenomad Offline OP
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Thanks, Dw89xj & Reed. I'll check out the sites.

Reed, I didn't realize I could do the shaft seal without removing anything? Are you talking about the main shaft? I'll look into the gear selector shaft, dipstick tube and neutral safety switch seals.



Nicole
1988 Dodge B250 5.9l 360 Ram CamperVan / 727 Tranny / Rochester Quadrajet Carb
www.nikothenomad.blogspot.com
Re: orings transmission seals [Re: nikothenomad] #740241
September 08th 2018 10:02 pm
September 08th 2018 10:02 pm
Joined: Aug 2001
Posts: 11,866
Fircrest, WA
Reed Offline
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Reed  Offline
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Fircrest, WA
You can do the output shaft seal that fits into the end of the tailshaft housing-- the one that fits around the driveshaft. The input shaft seal sucks. It is a $5 part but you have to pull the engine or trans to get to it.


Windows- they're what make a van worth owning!
Re: orings transmission seals [Re: nikothenomad] #740255
September 09th 2018 3:25 pm
September 09th 2018 3:25 pm
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nikothenomad Offline OP
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nikothenomad  Offline OP
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Ah, thanks, Reed!


Nicole
1988 Dodge B250 5.9l 360 Ram CamperVan / 727 Tranny / Rochester Quadrajet Carb
www.nikothenomad.blogspot.com

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