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vettenuts · 09-17-2019, 10:08 AM

Changed my transmission fluid in August and am preparing for a trip. During my final checks, I crawled under the coach to make sure I didn’t have any transmission leaks. Noticed a little wetness on the back of the pan and the drain plug had some rubber hanging out of it. Had to run up the Allison Center and get a new plug and change it with the oil in the pan. Only lost 2 oz. I think next time I do a fluid change, I will just buy a new plug since it’s only $4. The gasket on the plug seems a bit fragile for multiple uses unlike an oil pan plug.

AKIQPilot · 09-17-2019, 10:45 AM

Quote:

Originally Posted by vettenuts

Changed my transmission fluid in August and am preparing for a trip. During my final checks, I crawled under the coach to make sure I didn’t have any transmission leaks. Noticed a little wetness on the back of the pan and the drain plug had some rubber hanging out of it. Had to run up the Allison Center and get a new plug and change it with the oil in the pan. Only lost 2 oz. I think next time I do a fluid change, I will just buy a new plug since it’s only $4. The gasket on the plug seems a bit fragile for multiple uses unlike an oil pan plug.

Wow, nice work only losing 2 oz. Good tip on using a new plug and gasket.

I took my lab samples from the drain plug last year. No fluid actually made it to the ground but I didn't completely remove the plug like you did.

Did any fluid run down your wrist/arm? Hahahaha

LETMGROW · 09-17-2019, 02:57 PM

A quart is only 2 oz. now? I'd hate to buy a gallon of maple syrup from you!
Lynn

coopcolt · 09-17-2019, 08:43 PM

AKIQPilot, what did you learn from your tranny test results?

AKIQPilot · 09-17-2019, 09:01 PM

Quote:

Originally Posted by coopcolt

AKIQPilot, what did you learn from your tranny test results?

On my 2006 with 30,000 miles the trans fluid was basically almost new. I don't remember all the particulars but nothing was out of the "Normal" range. I spun a new filter on and called it good. I filled the filter before spinning it on.

On my 2002 with 35,000 miles the trans fluid was also very good. Nothing was out of the "normal" range. I also figured out at that time that transmission had Dextron transmission fluid in it. I changed the Dextron out with Transynd that I got from my local Allison dealer. I did the drain, refill, run and drain method. I put on a new filter after both drain/refills. Probably not necessary for the second filter change but filters were under $10 so I just did it anyway.

I will probably send in another sample next year or the year after.

DriVer · 09-18-2019, 07:49 AM

Just as a heads up. If it's easier to do in your community, you can get an Allison drain plug and new gasket from any Chevrolet or GMC dealer.

Yes the gasket tears however using Transynd, the change interval is often a couple of more years. A new gasket and plug at that time does not seem like a big expense. The fluid is what's really expensive.

AKIQPilot · 09-18-2019, 08:47 AM

Quote:

Originally Posted by DriVer

Just as a heads up. If it's easier to do in your community, you can get an Allison drain plug and new gasket from any Chevrolet or GMC dealer.

Yes the gasket tears however using Transynd, the change interval is often a couple of more years. A new gasket and plug at that time does not seem like a big expense. The fluid is what's really expensive.

Transynd at my Allison dealer in Anchorage was about $38.50 per gallon. I thought that was a decent price.

But yea, it is fairly expensive.

DriVer · 09-18-2019, 10:01 AM

Quote:

Originally Posted by AKIQPilot

But yea, it is fairly expensive.

I think that a new plug and gasket was about $10.00.

coopcolt · 09-18-2019, 11:47 AM

Transynd at Less than $40. a gal. is a steal.
I was looking to purchase enough for my 2014 Ram transmission
last Dec. at the Dodge dealer. The parts guy said $32 and change.
I told him someone had misplace the decimal point, and walked out.
I was wrong and he was right....more than $130 a gal.
Had to run it thru a mechanic at $19 a qt......coopcolt

AKIQPilot · 09-18-2019, 12:15 PM

Quote:

Originally Posted by DriVer

I think that a new plug and gasket was about $10.00.

Yes the drain plug is cheap for sure. I was referring to the Transynd as being kinda expensive. $45+ seems to be the going rate.

vettenuts · 09-18-2019, 07:31 PM

Quote:

Originally Posted by AKIQPilot

Wow, nice work only losing 2 oz. Good tip on using a new plug and gasket.

I took my lab samples from the drain plug last year. No fluid actually made it to the ground but I didn't completely remove the plug like you did.

Did any fluid run down your wrist/arm? Hahahaha

Yep, my hands were definitely covered. Put my thumb over the hole and then inserted new plug. Most fluid loss was putting in the new plug, removal of the original plug and using my thumb as a seal netted about a teaspoon of loss.