Just CLEANED THE TRANSMISSION NOW THE REVERSE GEAR WORKS PERFECTLY FINE Daily driven Nissan gu patrol 4x4. For sale has a 121000 miles everything works ( this problem no longe exists transmission need to heat up before you can put it in reverse all other gears) work fine no issue with the 4 wheel drive, on oile Leake or smok call (268) 775-8422 if your interested. Just CLEANED THE TRANSMISSION NOW THE REVERSE GEAR WORKS PERFECTLY FINE