Free 7 Day Trial RV GPS App RV Trip Planner Campground Reviews RV Maintenance Free 7 Day Trial ×
RV Trip Planning Discussions

Go Back   iRV2 Forums > THE CHASSIS CLUB FORUMS > Workhorse and Chevrolet Chassis Motorhome Forum
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 06-16-2021, 11:37 AM   #1
Member
 
Join Date: Sep 2019
Posts: 40
Allison 1000, 5 speed, sudden temperature jump

Hi. I have a 2003 Adventurer, 8.1 Vortec with a Allison 1000 5 speed transmission. Normally the fluid temperature stays around 140-160, but today it jumped all of a sudden to 240 degrees on the scangauge and the warning message on the dash says "check transmission temp" and a warning buzzer sounds. Driving on a flat road, no toad, ambient temp about 85 degrees. Fluid level is ok.
Has anyone experienced the same symptom? And what would be the solution? There is just no way that the trans temp could be that high.
Any help is appreciated.
Thanks
Fritz
frnu is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 06-16-2021, 12:18 PM   #2
Senior Member
 
Fred and Bonnie's Avatar
 
Workhorse Chassis Owner
Join Date: Jan 2002
Location: Pacific Northwest or SoCal
Posts: 3,035
Send a message via ICQ to Fred and Bonnie
Two possibilities come to mind. Following too close to a big rig truck, or trans cooler plugged or obstructed.

Fred
__________________
Fred and Bonnie
2005 Dolphin LX 6375
Abby, Ruffles & Scarlett, "The Cats"
Fred and Bonnie is offline   Reply With Quote
Old 06-16-2021, 12:20 PM   #3
Senior Member
 
edgray's Avatar
 
Join Date: Oct 2002
Location: Madison, MS
Posts: 9,565
OR, the temperature sensor has malfunctioned.
IF nothing is obvious, you may have to visit an Allison dealer.
edgray is offline   Reply With Quote
Old 06-17-2021, 06:00 AM   #4
Member
 
Join Date: Sep 2019
Posts: 40
Would driving with a bad temp sensor messing up the transmission, knowing that it's not really overheated?
frnu is offline   Reply With Quote
Old 06-17-2021, 06:56 AM   #5
Senior Member
 
andy29847's Avatar
 
Join Date: Oct 2013
Posts: 843
Radiator could be clogged up with bugs and dirt. Fan belt/fan clutch could be bad. Did you see any rise on the engine temps?
__________________
2001 Alpine Coach 38/8
ACA 2018006
Andy
andy29847 is offline   Reply With Quote
Old 06-17-2021, 08:49 AM   #6
Senior Member
 
edgray's Avatar
 
Join Date: Oct 2002
Location: Madison, MS
Posts: 9,565
Quote:
Originally Posted by frnu View Post
Would driving with a bad temp sensor messing up the transmission, knowing that it's not really overheated?
I am certainly NOT an expert on such, but I would think a faulty temp sensor IN the tranny would not affect the drivability. In fact, I don't KNOW if the data being sent to the OBD II port from the tranny gets relayed to the ECM, or not.

As others have stated, assuming you don't find any blockage of the cooling pack, and no indication of the engine temp being high, then the sensor itself would be the prime suspect. Has it remained high after a shutdown / cooling off period?
edgray is offline   Reply With Quote
Old 06-17-2021, 04:04 PM   #7
Member
 
Join Date: Sep 2019
Posts: 40
Thank you for your response. The engine temp is normal about 200 degrees. After 2 days of sitting in a park, by turning the key to on position, the scangauge still displays 253 degrees for the transmission fluid temperature. I disconnected the battery for about 10 minutes hoping it would solve the problem but it didn't. So, knowing that the transmission is not really running hot, I will continue our summer trip and hope the issue clears up on our next leg. if not, I will worry and address the issue when we're back home as long as I don't experience any acting up by the transmission.
frnu is offline   Reply With Quote
Old 06-17-2021, 09:32 PM   #8
Senior Member
 
Arch Hoagland's Avatar
 
Monaco Owners Club
Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 11,058
Where are you located?

There is an excellent Allison dealer here in Fresno California.
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
It's so weird being the same age as old people.
Arch Hoagland is offline   Reply With Quote
Reply

Tags
allison, temperature



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Allison 1000 with 4 speed shift lever? F451degrees Allison Transmission Forum 3 01-14-2019 03:25 PM
Allison 2100 verses the allison 1000 BobnMelba Workhorse and Chevrolet Chassis Motorhome Forum 6 03-21-2014 10:40 PM
Allison 1000 6 speed ? Tony in SC Workhorse and Chevrolet Chassis Motorhome Forum 27 05-19-2013 10:16 AM
What is max Temperature for Transynd in Allison 1000 Samflhomes Allison Transmission Forum 2 05-09-2013 08:22 AM
Allison 2500 5 speed transmission converted to a 6 speed LJB Allison Transmission Forum 3 05-07-2012 07:58 AM


All times are GMT -6. The time now is 09:58 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2021, vBulletin Solutions, Inc.