Rubber Transmission Cooler Lines Can Leak Fluid: Pontiac Sunfire Transmission & Drivetrain

Problem overview

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.

26 people reported this problem

9 comments

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Pontiac Sunfire vehicles with this problem

11 model years affected

Average mileage: 109,667 miles

(66,000 - 160,000)

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Rubber Transmission Cooler Lines Can Leak Fluid on Pontiac Sunfire

Problem overview

Pontiac Sunfire vehicles with this problem

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