Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

Trans. Temperature

Thread Tools
 
Search this Thread
 
  #1  
Old 06-30-2009, 12:01 AM
BlackLB7's Avatar
Diesel Fan
Thread Starter
Join Date: May 2009
Location: Sugarcreek, PA
Posts: 27
Likes: 0
Received 0 Likes on 0 Posts
Default Trans. Temperature

Anybody tell me what their avg. tranny temp is on a normal driving basis? again it is an LB7 allison automatic, and its been running from around 150 deg. to 200deg. and im not really comftortable with the fact that it is goin up to 200. help anyone?
 
  #2  
Old 06-30-2009, 11:55 AM
GTRW3T's Avatar
Diesel Enthusiast
Join Date: Sep 2008
Location: MIDDLESEX COUNTY
Posts: 147
Received 3 Likes on 3 Posts
Default

i have the lly w/ the allison and it normally stays between 150 and 190. the hotest it has ever been is 190
 
  #3  
Old 06-30-2009, 12:00 PM
REDRIDE13's Avatar
Diesel Enthusiast
Join Date: May 2009
Location: Horse Shoe NC
Posts: 170
Received 3 Likes on 3 Posts
Default

i will check the gauge on my way home from work tom and let you know.
 
  #4  
Old 06-30-2009, 05:35 PM
2500HeavyDuty's Avatar
Super Moderator
Join Date: Oct 2007
Location: Houston, Tx
Posts: 14,872
Received 764 Likes on 627 Posts
Default

its usually 100+ outside temp if im not mistaken, if your lower ur good
 
  #5  
Old 07-03-2009, 04:01 PM
dozerboy's Avatar
Diesel Wrench
Join Date: Apr 2007
Location: TX
Posts: 988
Received 55 Likes on 44 Posts
Default

Over 200* isn't uncommon ideal is 190* just to check the fluid level. Some built trans are often over 200* it can take it. IIRC it will go into limp mode at 240*or maybe thats was coolant and the trans goes to 260*.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Jake9473
Ford Powerstroke 94-98 7.3L
7
07-22-2018 08:19 AM
PA 24valve
24 Valve 2nd Gen Dodge Cummins 98.5-02
1
08-31-2015 07:39 PM
Rabbitjbu
Ford Powerstroke 94-98 7.3L
1
07-28-2015 06:03 PM
robbyS
5.9 Liter CR Dodge Cummins 03-07
3
04-16-2015 02:22 PM
Pyrohigh
5.9 Liter CR Dodge Cummins 03-07
2
10-11-2014 07:59 AM



Quick Reply: Trans. Temperature



All times are GMT -5. The time now is 01:12 PM.