Home » Public Forums » GMCnet » "O" ring, Transmission Dipstick Tube.
| "O" ring, Transmission Dipstick Tube. [message #311849] |
Fri, 06 January 2017 09:15  |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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I've got a leak around the dipstick tube. I replaced it about 4K miles ago, with a O ring out of one of those boxes that has multiple sizes to choose from. Still leaks about 1 Qt in 4K. Where can I get the correct O ring for that tube. Part # anyone? TIA
Larry 
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: "O" ring, Transmission Dipstick Tube. [message #311854 is a reply to message #311853] |
Fri, 06 January 2017 10:14  |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
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Larry wrote on Fri, 06 January 2017 10:12rcjordan wrote on Fri, 06 January 2017 09:23I think this is it (from my order history). I've not installed them, as I found some OEM Delcos on ebay. I'll see if I can find the Delco part #.
https://www.amazon.com/gp/product/B000FMYQCQ
Hey, Thanks for the quick come-back. I'm on the road now, so cannot order from Amazon, but will try to find one at some parts store or...what-ever.
OH, the Delco part # would help a lot. Thanks.
Larry
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: [GMCnet] "O" ring, Transmission Dipstick Tube. [message #311855 is a reply to message #311853] |
Fri, 06 January 2017 10:16 |
sgltrac
Messages: 2797
Registered: April 2011
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Are you sure the trans is not over filled or the vent plugged? I don't
think the fluid should be trying that hard to get around the o ring.
Sully
77 eleganza 2
Seattle
On Fri, Jan 6, 2017 at 8:14 AM Larry wrote:
> rcjordan wrote on Fri, 06 January 2017 09:23
>
>> I think this is it (from my order history). I've not installed them, as
> I found some OEM Delcos on ebay. I'll see if I can find the Delco part
>
>> #.
>
>>
>
>> https://www.amazon.com/gp/product/B000FMYQCQ
>
>
>
> Hey, Thanks for the quick come-back. I'm on the road now, so cannot order
> from Amazon, but will try to find one at some parts store or...what-ever.
>
> --
>
> Larry
>
> 78 Royale w/500 Caddy
>
> Menomonie, WI.
>
>
>
> _______________________________________________
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] "O" ring, Transmission Dipstick Tube. [message #311856 is a reply to message #311851] |
Fri, 06 January 2017 10:14 |
Ray Erspamer
Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin
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Larry, I would also recommend putting a small amount of sealer around
it when you reinstall it.
On Fri, Jan 6, 2017 at 9:23 AM, RC Jordan wrote:
> I think this is it (from my order history). I've not installed them, as I found some OEM Delcos on ebay. I'll see if I can find the Delco part #.
>
> https://www.amazon.com/gp/product/B000FMYQCQ
> --
> 77 Royale Coachmen Side Dry Bath
> 76 Birchaven Coachmen Side Wet Bath
> 76 Eleganza
> Elizabeth City, NC
>
>
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Ray Erspamer
78 Royale - "The Great Lakes Eagle"
Center Kitchen TZE368V101144
Wauwatosa, Wisconsin 53226
Email: 78GMCRoyale@gmail.com
414-484-9431
Web Site: http://ray-lisa.page.tl/
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Ray Erspamer
78 GMC Royale Center Kitchen
403, 3.70 Final Drive
Holley Sniper Quadrajet EFI System,
Holley Hyperspark Ignition System
414-484-9431
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| Re: [GMCnet] "O" ring, Transmission Dipstick Tube. [message #311857 is a reply to message #311854] |
Fri, 06 January 2017 11:18 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Larry, Most of us that work on the GMC MH on a regular based always
augment the O ring with RTV sealant. Make sure all surfaces are dry of lub.
Also check the speedo gear assembly as they do leak.
Majority of the time, the fill tube leaks is when it sits for over a week
and the converter bleeds down and the fluid level goes up few inches .
On Fri, Jan 6, 2017 at 8:14 AM, Larry wrote:
> Larry wrote on Fri, 06 January 2017 10:12
>> rcjordan wrote on Fri, 06 January 2017 09:23
>>> I think this is it (from my order history). I've not installed them,
> as I found some OEM Delcos on ebay. I'll see if I can find the Delco
>>> part #.
>>>
>>> https://www.amazon.com/gp/product/B000FMYQCQ
>>
>> Hey, Thanks for the quick come-back. I'm on the road now, so cannot
> order from Amazon, but will try to find one at some parts store
>> or...what-ever.
>
> OH, the Delco part # would help a lot. Thanks.
> --
> Larry
> 78 Royale w/500 Caddy
> Menomonie, WI.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] "O" ring, Transmission Dipstick Tube. [message #311860 is a reply to message #311857] |
Fri, 06 January 2017 11:58 |
powwerjon
Messages: 849
Registered: March 2013
Karma: -2
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The O-ring listed by Larry is not an ideal replacement. The original and correct replacement are a slightly oval in design not round.
Here is where you can get them.
http://www.makcotransmissionparts.com/44371A.html
and 4371A O-ring, GM/Ford/Chrysler Filler tube A904 (TF6) Mopar part Number 6030608
http://www.ebay.com/itm/like/271921045150?lpid=82&chn=ps&ul_noapp=true
J.R. Wright
GMC GreatLaker 18 Year Member
GMCGL Tech Editor
GMC Eastern States Charter Member
GMCMI 18 Year Member
78 Buskirk 30' Stretch
1975 Avion (Under Reconstruction)
Michigan
> On Jan 6, 2017, at 10:18 AM, Jim Kanomata wrote:
>
> Larry, Most of us that work on the GMC MH on a regular based always
> augment the O ring with RTV sealant. Make sure all surfaces are dry of lub.
> Also check the speedo gear assembly as they do leak.
> Majority of the time, the fill tube leaks is when it sits for over a week
> and the converter bleeds down and the fluid level goes up few inches .
>
> On Fri, Jan 6, 2017 at 8:14 AM, Larry wrote:
>
>> Larry wrote on Fri, 06 January 2017 10:12
>>> rcjordan wrote on Fri, 06 January 2017 09:23
>>>> I think this is it (from my order history). I've not installed them,
>> as I found some OEM Delcos on ebay. I'll see if I can find the Delco
>>>> part #.
>>>>
>>>> https://www.amazon.com/gp/product/B000FMYQCQ
>>>
>>> Hey, Thanks for the quick come-back. I'm on the road now, so cannot
>> order from Amazon, but will try to find one at some parts store
>>> or...what-ever.
>>
>> OH, the Delco part # would help a lot. Thanks.
>> --
>> Larry
>> 78 Royale w/500 Caddy
>> Menomonie, WI.
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
>
> --
> Jim Kanomata
> Applied/GMC, Fremont,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
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| Re: "O" ring, Transmission Dipstick Tube. [message #311972 is a reply to message #311849] |
Tue, 10 January 2017 14:07 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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Senior Member |
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Just an update to the O ring issue. I got under there for a second time to look close at it and there was a regular stream of ATF coming out right at the base of the filler tube. I went to the local Chrysler dealership and ordered the Mopar part Number 6030608. Also got a O ring with the suggested dimensions from a NAPA dealer. I took a caliper to both and found no difference accept price. Chrysler dealer was 4 times as expensive. That's ok when you are talking under $5 anyway. So....I've got an extra. When I took the dipstick tube out, I found that because I had put a similar O ring from one of those all inclusive kits of O rings, the ring did not fit as it should and tore a little when installed. Also used the suggestion of putting a little silicone sealer on it when installing. That made it slippery so that it just slid right in with no extra force needed. Anyway, thanks to all that responded. Will find out if all is well in a couple of days when the converter leaks down enough to reach the tube hole.
Larry
78 Royale w/500 Caddy
Menomonie, WI.
[Updated on: Tue, 10 January 2017 14:07] Report message to a moderator |
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| Re: [GMCnet] "O" ring, Transmission Dipstick Tube. [message #311992 is a reply to message #311988] |
Tue, 10 January 2017 17:00 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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Senior Member |
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sgltrac wrote on Tue, 10 January 2017 16:02Sorry about my comm earlier on your post. I though you were trying to seal
the stick to the tube not the tube to the trans
Sully
77 eleganza 2
Seattl
Hey Sully,
Any comment is a good comment. I appreciate anyone that gives the time to help me think these things out. I knew it was not over full, but did check the vent. It was a possibility as this has happened since I put the trans back in. who knows...maybe I bent the vent during the install. Anyway....thanks!!
Larry
78 Royale w/500 Caddy
Menomonie, WI.
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