Regulator valve may cause noise when transmission is in reverse on Jeep Cherokee

A loud buzzing or whining when the transmission is in reverse may be caused by a regulator valve in the transmission valve body. A revised valve was released that does not resonate. Careful diagnosis should be performed because other causes can create the noise.

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Average mileage: 44,466 (400–132,000)
Drive Trains affected: 4 Speed Transmission, Automatic Transmission
5 model years affected: 1996, 1997, 1998, 1999, more2016
7 people reported this problem
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Viewing 1 - 3 of 3 problem details
2016 Jeep Cherokee - Automatic Transmission 400 mi,
sounds like I have the same problem, I will be contacting the dealer tomorrow. I will try to follow up with there answer.
2016 Jeep Cherokee - Automatic Transmission 1,000 mi,
When in gear it makes a whining noise. So far all jeep has told me was that they are aware of the issue and are working on a resolution.
1998 Jeep Cherokee - 4 Speed Transmission 132,000 mi,
I have a winding and or grinding in reverse with no engagement doea not take reverse what could it be please help 1998 jeep grand cherokee laredo 4.0