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TSB Document:

Affected Component: POWER TRAIN

Summary
Some 2020 Mustang GT350 - 2020-2021 Mustang Mach 1/Shelby GT500 vehicles may exhibit a rear differential fluid leak at the differential cooler line fittings. This may be due to a seal within the fittings. To correct the condition, follow the service procedure to replace both rear differential cooler line fittings.

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Date Published
SEP 24, 2021
NHTSA TSB #
10201637
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