TSB Document:

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary
Service bulletin - Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix. If the fluids mix, the engine and transmission may be permanently damaged and require replacement. These vehicles previously had the transmission replaced because the transmission warmers leaked. In rare cases, these vehicles may have also overheated but because the issue was under investigation, a standard repair procedure hadn't been developed. Further action is needed before the vehicle is completely repaired.

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Date Published
AUG 25, 2017
NHTSA TSB #
10117328
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