× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Duramax 6.6 cranknut
Posted to HD/Fleet Forum on 10/13/2009

Hi Roger:

It is Right hand Thread. You must use a 12 point socket.. Use a BIG BREAKER BAR and lock the Flywheel with the Proper tool. I did a water pump and I recommend that you replace the front crank seal as well. Try to borrow or if you feel that you migh... Login to read more.