if intake manifold is cracked does it mean the block is also cracked problem occurred during freeze with little to no antifreeze
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1994 Chevrolet 1500 Pickup Question: intake manifold
Answer #1patrick mannion from Greg Solow's Engine Room, March 18, 2011, 19:51Master
It does not look good if the intake manifold has frozen and cracked. Freeze plugs in the head and block may be damaged. The radiator and hoses need also be closely inspected for damage and the engine later run to see the extent of any other damage.