NHTSA ID Number: 10177829 Manufacturer Communication Number: 16-42-90R Summary APPLICABILITY: 4AT, 5AT, 6AT, CVT Transmission Cooler Flushing.   NUMBER: 16-42-90R DATE: 08-20-90 REVISED: 07/21/20 APPLICABILITY: 4AT, 5AT, 6AT, CVT SUBJECT: Transmission Cooler Flushing   INTRODUCTION The transmission oil cooler must be properly flushed if any of the following circumstances hold true:   Contaminants left behind in the ... Read more

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