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2001 Chevy Camaro Z28

The front cover is reinstalled temporarily, and the lifter valleys are plugged with shop towels, as the head-gasket mounting surfaces need to be cleaned with a craper and a 3M bristle disc; this will get the gasket off without hurting the aluminum. The head bolt holes are blown out with compressed air to get rid of any residual coolant, and they're threaded with a bolt to remove any sealant. These steps are critical, as coolant in a hole where you're trying to torque a bolt down can actually crack the block.
2001 Chevy Camaro Z28 - Budget Badass

 The front cover is reinstalled temporarily, and the lifter valleys are plugged with shop towels, as the head-gasket mounting surfaces need to be cleaned with a craper and a 3M bristle disc; this will get the gasket off without hurting the aluminum. The head bolt holes are blown out with compressed air to get rid of any residual coolant, and they're threaded with a bolt to remove any sealant. These steps are critical, as coolant in a hole where you're trying to torque a bolt down can actually crack the block.  View Related Article

 

 

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