Problem is that Cat only pays their dealers .8 to change pistons. Not enough time in my opinion to assemble with care and bleed system. Customers should also be advised to check the coolant level themselves before riding and lots during the first ride. Dealers should be taking the extra time to make sure the job is done right but what you get paid to do something reflects the quality of work in some cases.
I had 4K on my original pistons with no problem and I have 800 miles on my new pistons with no problems (knocking on wood). Engine seems a bit stronger than before which is a bonus. Many of the problems are caused by poor mechanics themselves.
Its a shame that the customer is again caught in the middle, AC won't pay enough to do it properly and its hard to blame a dealer for cutting corners when he's only paid .8.
To those taking their sleds in for the update it might be an idea to ask your dealer if he needs to charge you a little on top of what warranty pays him to take the time to do the things that will make the job right.
I hate paying anything as much as the next guy but.......if it only takes a few bucks to prevent a weekend break down, it's money well spent.
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