Transmission gasket leak?

[hdryder75]

Im on the road, presently week 3 of my summer road trip with another week to go. Headed back West tomorrow or Wednesday. My Eleganza II has a shy 3k
miles (hot) so far with only a failed alternator on day 2 of the trip. Just recently, I parked on an incline (nose high) to check some under hood
curiousities for about 2 days. Today when i backed out and leveled off again i had a rather large transfluid puddle under the coach. I wiped
everything clean and cant tell where a leak might be. Possibly around the gasket? But it has been fine until now. Went for a short drive and rechecked
and still no obvious leak. Only a few drops or so around the rear of the gasket. Im stumped. Does parking (or jacking) at a nose high position cause
some sort of overflow/leak?? Anyone seen this before?
--
Steven Janibagian
76 Eleganza II, 455, TZE166V102466
Kent, WA

 

[bill guise1]

Steve, also check the two lines exiting to the tranny cooler! Ask me how I know!

Sent from my iPad
Bill & Peggy Guise, Kent, WA

Im on the road, presently week 3 of my summer road trip with another week to go. Headed back West tomorrow or Wednesday. My Eleganza II has a shy 3k
miles (hot) so far with only a failed alternator on day 2 of the trip. Just recently, I parked on an incline (nose high) to check some under hood
curiousities for about 2 days. Today when i backed out and leveled off again i had a rather large transfluid puddle under the coach. I wiped
everything clean and cant tell where a leak might be. Possibly around the gasket? But it has been fine until now. Went for a short drive and rechecked
and still no obvious leak. Only a few drops or so around the rear of the gasket. Im stumped. Does parking (or jacking) at a nose high position cause
some sort of overflow/leak?? Anyone seen this before?
--
Steven Janibagian
76 Eleganza II, 455, TZE166V102466
Kent, WA

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[Ken H.]

Steven,

When running, the transmission fluid level is at about the level of the pan
flange. After sitting a while without the engine running, the torque
converter will drain about 1/2 of its contents back into the pan, raising
the fluid level above that less-than-perfect flange gasket. Parking on an
incline tilts the pan, putting that level still farther above the flange.
So, yes, the pan gasket can easily react as you've described. Check & set
the fluid level with the engine running, then don't worry about it until
your next pan R&R.

Ken H.

​...​

> Just recently, I parked on an incline (nose high) to check some under hood
> curiousities for about 2 days. Today when i backed out and leveled off
> again i had a rather large transfluid puddle under the coach.

​...

 

[78gmcroyale]

Check and see if it ran out of the breather vent.

> Steven,
>
> When running, the transmission fluid level is at about the level of the pan
> flange. After sitting a while without the engine running, the torque
> converter will drain about 1/2 of its contents back into the pan, raising
> the fluid level above that less-than-perfect flange gasket. Parking on an
> incline tilts the pan, putting that level still farther above the flange.
> So, yes, the pan gasket can easily react as you've described. Check & set
> the fluid level with the engine running, then don't worry about it until
> your next pan R&R.
>
> Ken H.
>
>

> ...
>
>
>> Just recently, I parked on an incline (nose high) to check some under hood
>> curiousities for about 2 days. Today when i backed out and leveled off
>> again i had a rather large transfluid puddle under the coach.
>
> ...
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

--
Ray Erspamer
78 Royale - "The Great Lakes Eagle"
Center Kitchen TZE368V101144
Wauwatosa, Wisconsin 53226
Email: 78GMCRoyale
414-484-9431
Web Site: http://ray-lisa.page.tl/

 

[jim kanomata1]

The fill tube will leak after the torque converter bleeds down.
Remove the tube, wipe it clean and use Black RTV sealant then bolt it .
Also the speedo gear has a O ring that is worn and leake , but in small
amount.

> Steve, also check the two lines exiting to the tranny cooler! Ask me how I
> know!
>
> Sent from my iPad
> Bill & Peggy Guise, Kent, WA
>
>

>
> Im on the road, presently week 3 of my summer road trip with another week
> to go. Headed back West tomorrow or Wednesday. My Eleganza II has a shy 3k
> miles (hot) so far with only a failed alternator on day 2 of the trip.
> Just recently, I parked on an incline (nose high) to check some under hood
> curiousities for about 2 days. Today when i backed out and leveled off
> again i had a rather large transfluid puddle under the coach. I wiped
> everything clean and cant tell where a leak might be. Possibly around the
> gasket? But it has been fine until now. Went for a short drive and rechecked
> and still no obvious leak. Only a few drops or so around the rear of the
> gasket. Im stumped. Does parking (or jacking) at a nose high position cause
> some sort of overflow/leak?? Anyone seen this before?
> --
> Steven Janibagian
> 76 Eleganza II, 455, TZE166V102466
> Kent, WA
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502

 

[hdryder75]

Hi Ken,
That is what I seem to be seeing. Everything seems to be back to normal. I've adopted a wait and see approach. I get back on the road today so I
will watch (and listen) for any abnormalities and keep a constant eye on the fluid level
--
Steven Janibagian
76 Eleganza II, 455, TZE166V102466
Kent, WA

 

[hdryder75]

Hi Ken,
That is what I seem to be seeing. Everything seems to be back to normal. I've adopted a wait and see approach. I get back on the road today so I
will watch (and listen) for any abnormalities and keep a constant eye on the fluid level.

Thanks everyone for the help.
--
Steven Janibagian
76 Eleganza II, 455, TZE166V102466
Kent, WA

 

[johnny]

My new trans worked fine on the road and ate no fluid. Now that the coach has sat for a couple of weeks, I see drips. I suspect the fill tube isn't
sealed well, I'll apply JimK's approach when I get back from Chattanooga. Meantimes, level checks at every stop.

--johnny
--
76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
"I forgive them all, save those who hurt the dogs. They must answer to me in hell" - ol Andy, paraphrased