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
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problem details
2002 Buick Rendezvous 72,500 mi,
Red transmission fluid leaking from top transmission coolant pipe where the rubber section mates to the metal section.
2005 Buick Rendezvous 100,000 mi,
transmission fluid leak