Great White Posted 1 hour ago Share Posted 1 hour ago Good afternoon all: We are working on a very well used Mack AC attempting to pull the cylinders cast in pairs retained by six 5/8-18 crankcase studs . The service manual describes only removing the six nuts to remove the cylinders. The cylinders do not move even with the engine hoist wanting to lift the truck . We are trying hard not to break anything along the way. Any wisdom from someone who has been there done that would be greatly appreciated! Quote Link to comment https://www.bigmacktrucks.com/topic/76372-mack-ac-cylinder-removal/ Share on other sites More sharing options...
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