I believe that on some of the first made 4.0, I have one of these, there were many parts that were faulty. I had my 4.0 in the shop lots when I first had it and I think that there was something that was replaced on my to prevent this problem. The good news is that after I got all the faulty t
things fixed, it's a good machine now! You might have to check with your dealer on this one, it was quite a while ago For mme and I just can't remember exactly