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09-06-2011, 09:36 AM
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#1
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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How to get a tranny fluid sample
I want to get my transmission fluid analyzed but don't see any easy way to get a sample to send in. Has anybody done this? I have the Allison 3000MH.
When I crawled underneath to look for a drain, I found a forest of bolts on the bottom and edge of the tranny and several of them appeared to be possible plugs. I had no clue which one to remove to get a decent sample.
Allison has a tech spec of fluid sampling, but it talks about installing a special valve to get the sample. I don't think I want/need to do that. Probably only take a couple samples for as long as I own the coach.
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Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-06-2011, 10:31 AM
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#2
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Senior Member
Monaco Owners Club
Join Date: Nov 2006
Posts: 369
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Gary, I would like to know also. I know if you happen to undo the wrong bolt you might have big problems. None of mine looked like a place to drain. Last time I got it sampled I took it in to an Allison dealer and they sucked it out of the lower dipstick tube. I have one of those vacuum pumps but it's probably contaminated with other oils. If you change filters you could get it then, but that's next years project
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09-06-2011, 10:31 AM
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#3
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Registered User
Join Date: Mar 2011
Location: SW Florida
Posts: 933
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Good question. I had the same problem and fixed it with a power pump brake tool. It's a plastic cup with a long hose that you attach to your brake line to power bleed brakes. It costs around $10 at the auto stores. You just stick the hose into your trans. tube and squeeze the cup handle to get up to a pint of fluid. Good luck!
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09-06-2011, 11:24 PM
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#4
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Senior Member
Monaco Owners Club
Join Date: Jan 2011
Location: Huson, MT
Posts: 1,043
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You could go old school with a basic siphon kit.
Basic $5.04 Siphon Kit
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Craig & Donna
2005 Beaver Monterey Laguna IV (aka The Hotel Monterey)
2011 Jeep Liberty Limited
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09-07-2011, 02:19 AM
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#5
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Senior Member
Join Date: Sep 2010
Posts: 344
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Depending on the quantity of fluid you need for your sampling, you can simply insert a long piece of clear plastic tubing into the trans fluid fill tube. Place your finger over the end of the tubing before extracting it from the fill tube and you'll have trans fluid to deposit in a container once you remove your finger. Same a placing a straw in a soda glass
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bob
2001.5 Fleetwood Discovery 37U 330HP Cat
Toad-2008 Yamaha Royal Star Tour Delux
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09-11-2011, 07:49 PM
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#6
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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I only need about 6 oz., but the dipstick tube is about 5 feet long.
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Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-11-2011, 08:06 PM
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#7
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
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Tom Johnson, the retired Allison Fluids engineer, pointed me to this set of instructions for taking samples for analysis. It shows engine oil rather than tranny, but the procedure is the same. It uses the dipstick tube and a vacuum pump with a long tube.
JG Lubricant Services is Tom's fluid analysis company.
http://www.jglubricantservices.com/d...0Procedure.pdf
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-11-2011, 08:10 PM
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#8
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RV Mutant #14
Winnebago Owners Club Texas Boomers Club Freightliner Owners Club iRV2 No Limits Club
Join Date: Aug 2008
Location: Texas
Posts: 17,189
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If I were to do it I would get a clear plastic tub that would go down the dipstick into the sump. Then I would put a little suction on the end of the plastic tube, very slowly, until I saw the fluid coming up the clear plastic. I would stop the suction, place my finger over the end of the tube, extract it, and let it drain into a container for shipping.
Now, if you can find someone that can jump start a car by sucking on the exhaust pipe, you're in good hands.
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Wayne MSGT USMC (Ret) & Earlene (CinCHouse) RVM14 (ARS: KE5QG)
Lexi - Goldendoodle
2015 Winnebago Tour 42QD - 2020 Lincoln Nautilus Reserve
It is what it is, and then it is what you make of it.
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09-11-2011, 09:58 PM
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#9
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Registered User
Join Date: Mar 2011
Location: SW Florida
Posts: 933
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Quote:
Originally Posted by Gary RVRoamer
Tom Johnson, the retired Allison Fluids engineer, pointed me to this set of instructions for taking samples for analysis. It shows engine oil rather than tranny, but the procedure is the same. It uses the dipstick tube and a vacuum pump with a long tube.
JG Lubricant Services is Tom's fluid analysis company.
http://www.jglubricantservices.com/d...0Procedure.pdf
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Read my post for a $10 solution....
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09-15-2011, 02:28 PM
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#10
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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I saw it, Billieg. Will check it out the next time I hit an auto parts store. The ones I saw online started at $50 and up.
I've got a fluid transfer hand pump, so i may be able to add 4-5 ft of suitable tubing to go down my filler tube and do it that way. If not, the kit from JG isn't that expensive ($26 less a iRv2 5% discount).
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-18-2011, 06:59 PM
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#11
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Senior Member
Join Date: Mar 2011
Posts: 133
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Quote:
Originally Posted by Gary RVRoamer
I saw it, Billieg. Will check it out the next time I hit an auto parts store. The ones I saw online started at $50 and up.
I've got a fluid transfer hand pump, so i may be able to add 4-5 ft of suitable tubing to go down my filler tube and do it that way. If not, the kit from JG isn't that expensive ($26 less a iRv2 5% discount).
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I bought the one from JG. Alot better built than I had imagined, not plastic as expected. One note, JG's pump is a vacuum pump and the fluid never touches the pump. Works sort of like a vacuum brake bleeder. A fluid transfer pump may have dirt or contaminates that would effect the analysis. They recommend you do not reuse the tubing, again worry about contamination from previous use. You get 8 feet of new tubing with the test kit.
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Bill
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09-18-2011, 07:09 PM
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#12
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Senior Member
Fleetwood Owners Club
Join Date: Sep 2010
Posts: 272
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I would think that any major oil company, Cat, Cummins, or Freighhtliner dealer would have an oil analysis kit. The hose kits are usually 50' long, & they come with a suction gun & bottle to collect the oil in.
Here is a link with a company that I used to do business with, & they know their stuff! There is a lot of good info on their site.
Hope this helps!
http://www.noria.com/buyersguide/vendor5.asp
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09-18-2011, 07:22 PM
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#13
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Senior Member
Join Date: Dec 2006
Location: St. Augustine, FL
Posts: 3,595
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To avoid manually sucking on a hose use a turkey baster......slide a length of hose over the tip of the baster and slide the tube down the dip stick tube.
The drain on the 3000 series is not a bolt but rather a 3'8" square drive plug. Use a short extension on a 3'9" ratchet.........you'll need a large catch pan to catch the 4 gallons of fluid.
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KIX
'02 Ultimate Advantage 40J Spartan MM - Cummins ISC
2013 Jeep Rubicon JK Unlimited
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09-19-2011, 01:21 PM
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#14
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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Quote:
not a bolt but rather a 3'8" square drive plug
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WOW! That's one big square nut!!!
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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