Forum Discussion
JKJavelin
Apr 25, 2021Explorer III
What year is it? BAL made a LOT of bad gearboxes in 2015, and the first sign of failure is the gears slipping, sometimes making a popping noise, usually in one direction. Sometimes a loud bang at the end of the travel. Go up and look over the wood facia at the center of the slide where the motor and gearbox are. The gearbox will have stickers with part number and serial number. If the serial number starts with 15... bingo.
All 3 of mine failed.
JK
All 3 of mine failed.
JK
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