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.
Regulator valve may cause noise when transmission is in reverse on Jeep Wrangler
Average mileage: (–)
Drive Train affected: Automatic Transmission
1 model year affected: 1997
1 person reported this problem
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