dang....i have read that the hardest part is getting the balancer bolt out....the rest is pretty straight forward. My pumps have always been covered under warranty...had 3 of them changed so far.
I didn't think it was so bad to get balancer off, but I had a 4 foot breaker bar and the tool that locks the flywheel and keeps the motor from turning, you definitely need it if you're gonna try to change it yourself, you can get it off the mac tools website, just search for duramax flywheel holder, it's about 50 bucks.
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