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orings transmission seals
#740068 September 04th 2018 4:11 pm
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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
nikothenomad #740071 September 05th 2018 4:46 am
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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
nikothenomad #740084 September 05th 2018 11:01 am
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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
nikothenomad #740234 September 08th 2018 5:45 pm
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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
nikothenomad #740241 September 08th 2018 10:02 pm
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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
nikothenomad #740255 September 09th 2018 3:25 pm
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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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