Workhorse Allison Transmission Owners Take 5 Minutes & Check This Connector Before You Have Trouble
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- Опубликовано: 11 сен 2024
- If you find oil inside the connector on your Workhorse chassis with a Allison 1000 or 2000 transmission you may develop communication problems with the TCM computer possibly putting you in limp home mode.
I have a video showing step by step how to replace the wire harness.
Watch it here • How to Replace Allison...
Rostra 121446A 350-0086 3500086 147-3304 29539792 D121446A Wiring Harness (Internal) 7 connectors
amzn.to/3N0S0tZ
Allison Transmission spin on oil Filter 29539579
amzn.to/3Or73hF
Filter, Deep Pan Transmission Parts Direct 29542824 Allison 1000/2000/2400: Filter, Deep Pan
amzn.to/3yWfMn9
Always willing to help anyone in need. You’re a great man Kevin.
It makes for good karma..lol Thank you for the kind words Larry have a blessed day.
I had a guy at Oreillys tell me about this today so thankful to him and you and your video also thank you!
Awsome please let me know if this fixes your problem.
Another great video Kevin... Your install video is a must see.
Thank you Sir.
I hope they leave you a good tip for pulling maintenance on the motor homes they own!
They have.
I had the same issue so i cleaned it and it worked for a short time then same thing happened again. I found another connector on the left side of the transmission opposite of this one 4 prong i believe, i unplugged it and it was full of condensation so i blew it out with an air hose and put some dielectric grease on the seal and it works perfect now.
Thank you for contributing.
So I can just dry it out if mine is wet?
@chasespencer9979 Yes, mass air flow cleaner is good because it is safe for plastic
@@chasespencer9979better to change to a new connector if it is already 15 years old - even if it is slightly oily. 😂
Thank you so much .. i had the same issue
You just saved me
So did you have symptoms ? Did you replace it yourself?
@Kevin Caudill it sometimes shifts roughly , and the other day, it went to limp mode
For now , i just cleaned the connector with Q20, and the transmission worked fine with no issues
I'll be checking the source of the leak in the coming days
@@abbasalqasem8129 Its most likely the connector itself I have a video showing step by step how to replace the wire harness.
Watch it here ruclips.net/video/ZYnQgRvSXqk/видео.html
@@ktoutdoor I'll be checking that .. thank you 🌹
wish I would have seen this video two years ago.
im leaking oil my trans just went out well not shifting 2007 yukon does my truck have this plug cause i got it fixed before an theshop said it was something with a shift idk if this was it but he said if it get wet again it would go out again but i couldn't find any videos of nothing that could get wet that would hurt the transmission but this
THIS is what caused my "RANGE SHIFT INHIBITED" PROBLEM WHEN I LOSE REVERSE. Sure enough I had fluid inside. Clean it out with brake cleaned and worked just fine. I wasted money on an ignition switch when all I had to do was get my lazy ass under the truck and just check. Now I'm about to go and return the NSBU Switch and get my money back.
Thank you for contributing, glad you got it fixed
Did the brake cleaner harm the o rings. ??
I would prefer maf cleaner its safe for plastic parts. Brake cleaner may be to strong??
The ignition switch is a common issue. I have a spare OEM NSBU now also.
To clean those parts.....gas.
So how do you stop the leak then...
Look at the info below video you will find this link ruclips.net/video/ZYnQgRvSXqk/видео.htmlsi=o9X_vVWnk89IadVr
Thnk you ♥️
So all those wires and solenoids on inside are soaked and work in fluid, but if it gets fluid on that outside connector it causes tcm communication problems?
Having issues with mine
Yes I have seen it many time I think the connector may have movement and the oil between those flat pins causes the loss of data to the TCU
@@ktoutdoor thanks my problem is intermittent this may solve it
@@manuelcruz5178 Try drying it out with electrical contact cleaner
@Kevin Caudill I did that it's just hard to diagnose because it's intermittent but anyway I'm ordering the connector or harness, happened month a part driving 70mph gauges went crazy & it down shifted for 1 sec after that everything normal
@Kevin Caudill it threw the U0101 code but check engine light went off after a day drives and shifts good other than that randomly happening
Hello, My truck is a 2009 Peterbilt 335, in the mornings I turn it on and it drives great, I can drive it all day without any problem, but without turning it off, if I turn it off that's when the problem starts and it no longer wants to drive anywhere, he changed the switch, internal transmission switch, speed sensors and the internal wiring of the transmission and the issue does not disappear, do you think it is the TCM?
Please text me so i can call you back 606-875-0125 Kevin
@@ktoutdoor I'll do it just give me a few days, I'm unwell due to covid
I’m save your number
Could you tag me in the video on how to replace this mine is doing the same thing and is giving me a lot of trouble
ruclips.net/video/ZYnQgRvSXqk/видео.html
I had my high idle light come on 3 times on 4.5 hour home last week, preceding a kind of jerk in transmission. Ill check this. I am going to do a tranny fluid drain and fill with filter soon.
What is you idle RPM? Let me know what you find out my cell is 606-875-0125 Kevin
Help me out Kevin 🙏🏼
I got shift inhibited/ Engine reduced power
New TCM
New ECM
Rebuilt Transmission
Leaking oil in connector
Would replacing the conector fix the issue? 🙏🏼
Yes is may, but there may be other things we need to talk about send me a text on my cell 606-875-0125 so I can call you back
Thanks!
Thank you so much Rb what did I help you with.
The connector on the one I am working on is all together different then that one.
Okay soooo, is this like a common problem for 4l80 transmissions? Does this cause shift issues?
Yes it is, if you find oil the the connector you will want to change it this is how you do it on a Allison transmission very similar. ruclips.net/video/ZYnQgRvSXqk/видео.html
Can you just clean it with some electrical cleaner?
Yes that will get you down the road. But the wire harness should be replaced see my video on how to do that
Whats the name of that part? Do you have part number???
Rostra 121446A 350-0086 3500086 147-3304 29539792 D121446A Wiring Harness (Internal) 7 connectors
amzn.to/3N0S0tZ
Allison Transmission spin on oil Filter 29539579
amzn.to/3Or73hF
Filter, Deep Pan Transmission Parts Direct 29542824 Allison 1000/2000/2400: Filter, Deep Pan
amzn.to/3yWfMn9
@@ktoutdoor thank you
Spray it with brake fluid? Quick clean and dry?
Yes in a pinch it will dry it out but it will leak again.
Use gas. Never use brake fluid. Very corrosive. If you meant brake cleaners, might harm plastic.
Hello Kevin,
I found fluid in mine and now trans overheating after driving couple miles also struggling of shifting gear and rpm fluctuating..when trans overheating,check trans light shows up and truck not moving!!
Any idea please
I know oil in the connector will cause shifting problems but not over heating. what is the engine temp? trans is normally 150 to 175 on ours.
Kevin what is the best scantool for the 2009 FW Motor home???
Fw ??
Kevin puedes mandarme algun manual del w22,gracias
👍👍👍👌