Transmission Fluid Leak From Cooler Line on Chevrolet Malibu

Problem Description and Possible Solution

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

Problem Data
RepairPal Verified
Average mileage: 150,598 (70,000–199,000)
9 model years affected: 1997, 1998, 1999, 2000, more2001, 2003, 2005, 2009, 2011
13 people reported this problem
Viewing 1 - 6 of 6 comments
I just got a 2011 Chevy Malibu with 68000 miles and it's starting to leak transmission fluid has not been an accident or anything I Drive 55 miles to work.
Rusted trans cooler lines leaking ... want to replace but how do i add trans oil again ?
My Transmission cooler lines are leaking, I am trying to find a solution.
Reddish fluid life leak
Front transmission seal leaking need a solution to fixing
transmission lines are leaking