The intake manifold bolt is vital because it connects and seals the intake manifold to the block and cylinder head, fuel rail, and fuel injectors.
Intake manifold bolt importanceThe intake manifold directs air coming into the engine to the cylinder head, and that is where goes into the intake valve and mixes with fuel. The intake manifold bolt connects the intake manifold to other vital components. You must keep the bolts from getting damaged while installing a new intake manifold or else it may be necessary to get a new set.
Common issues with a broken intake manifoldA broken intake manifold can break inside its hole and make it difficult to remove the bolt and replace it.