02 Excursion New Trans - Higher Temps
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Joined: Aug 2010
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02 Excursion New Trans - Higher Temps
02 7.3l Diesel
OK, My converter went out on my transmission a month ago..
Rebuilt the Transmission with a Triple Disk, shift kit, full rebuild.. Also Converted the truck to 4WD at the same time, because of the need to change output shafts.. I Cleaned out the lines on the cooler (Stock)
Now my Trans is getting hotter,, Around Town 190 ish unloaded..Just did a Test Tow with 6K behind it up a small pass and it got up to 225. Tranny feels fine, shifts properly, no codes.
My Tranny Builder, and another freind are saying its fine, but my reading on here are saying over 200 is BAD..
Ive got a 6.0l Cooler on order, but it may just be a band aid!
OK, My converter went out on my transmission a month ago..
Rebuilt the Transmission with a Triple Disk, shift kit, full rebuild.. Also Converted the truck to 4WD at the same time, because of the need to change output shafts.. I Cleaned out the lines on the cooler (Stock)
Now my Trans is getting hotter,, Around Town 190 ish unloaded..Just did a Test Tow with 6K behind it up a small pass and it got up to 225. Tranny feels fine, shifts properly, no codes.
My Tranny Builder, and another freind are saying its fine, but my reading on here are saying over 200 is BAD..
Ive got a 6.0l Cooler on order, but it may just be a band aid!
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,639
From: SE Florida
Do you have the same cooler on the truck from when the converter failed? If so, the cooler is probably plugged or at least restricted. The new cooler should fix that. I advise not driving the truck until you get the new cooler in, or you may trash the new trans.
And you can go up to 220°F all day long with no problems. Many people say 200°F is the limit, but they are wrong.
And you can go up to 220°F all day long with no problems. Many people say 200°F is the limit, but they are wrong.
More Turbo
Joined: May 2005
Posts: 704
Likes: 2
From: Thousand Oaks, CA
Please explain... 200 may not be the limit but the fluid breaks down substantially after 200.
More Turbo
Joined: May 2005
Posts: 704
Likes: 2
From: Thousand Oaks, CA
Could the bypass be plugged??
Super Moderator
Joined: May 2004
Posts: 29,380
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From: Central Coast of CA
Maybe the OP can clarify.
Stewart
More Turbo
Joined: May 2005
Posts: 704
Likes: 2
From: Thousand Oaks, CA
You are right. I talked to him earlier today and he said he cleaned the cooler.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,639
From: SE Florida
How was the cooler cleaned? I submit that there is NO effective way to clean an air to oil cooler. There are so many places in a cooler that can trap particles that there is no way to get them all out. A cooler flush machine will do a better job, but blowing the lines out, in either or both directions, will only remove the loosest particles. Most of what is in there will stay in there.
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