Transmission Fluid Leak From Cooler Line on Buick Rendezvous

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.

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Average mileage: 120,625 (72,500–220,000)
3 model years affected: 2002, 2003, 2005
5 people reported this problem
2 people shared problem details
Red transmission fluid leaking from top transmission coolant pipe where the rubber section mates to the metal section.
2005 Buick Rendezvous100,000
transmission fluid leak
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