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Dec 26, 2011 | 05:55 AM

CPaulsen

Thread Starter

Senior User

Joined: Apr 2011

Posts: 447

Likes: 1

From: Southern Oregon

tranny

Towed my 5ver this weekend. 2001 F350/V-10/4R100 trans.
Pulling hard over the mountains.....saw some trans fluid on the ground. Never had a leak before. Anybody have any answers?? Got 114K miles now...rebuilt trans in at 90K. Serviced it about 107K.

Dec 26, 2011 | 05:59 AM

2006lariat

Lead Driver

Joined: Oct 2009

Posts: 5,406

Likes: 229

From: Pa

Maybe the Front seal got hot, and fluid is pushing past it. Pretty common on these trannies, when worked hard.

Dec 26, 2011 | 06:51 AM

Mark Kovalsky

Frmr Ford Trans Engr

Joined: Aug 1999

Posts: 24,734

Likes: 2,661

From: SE Florida

A better trans cooler, such as one from a 6.0L truck, usually will fix this problem.

Dec 26, 2011 | 01:58 PM

toddb1

Mountain Pass

Joined: May 2009

Posts: 127

Likes: 0

Can you isolate where the leak is from? Mine leaked at the transfer case adapter when it was cold outside, common problem due to the cast/aluminum mating.

Dec 27, 2011 | 03:19 AM