What can cause an intake manifold to crack?

What can cause an intake manifold to crack?

What’s more, plastic manifolds can easily crack by mishandling, over-tightening fasteners, excessive bending, flexing, overheating, vibration, or an engine backfire. One kaboom that blows back into the intake manifold can crack or even split open a plastic runner or plenum.

What can I do about leak in plastic intake manifold?

Using UV dye with the smoke machine makes such leaks even easier to spot. A cracked plastic intake manifold can be fixed a couple of ways.

When did GM stop using plastic intake manifold?

This plastic manifold was used on most 3.8L GM engines from 1995 thru 2005. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed.

What kind of intake manifold do I Need?

For these engines, check out the Dorman Intake Manifold and ATP Intake Manifold. The Mopar Intake Manifold is also available for a wide variety of engines found in Chrysler, Dodge, Jeep, and Plymouth vehicles originally equipped with plastic intake manifolds.

What’s more, plastic manifolds can easily crack by mishandling, over-tightening fasteners, excessive bending, flexing, overheating, vibration, or an engine backfire. One kaboom that blows back into the intake manifold can crack or even split open a plastic runner or plenum.

Using UV dye with the smoke machine makes such leaks even easier to spot. A cracked plastic intake manifold can be fixed a couple of ways.

This plastic manifold was used on most 3.8L GM engines from 1995 thru 2005. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed.

For these engines, check out the Dorman Intake Manifold and ATP Intake Manifold. The Mopar Intake Manifold is also available for a wide variety of engines found in Chrysler, Dodge, Jeep, and Plymouth vehicles originally equipped with plastic intake manifolds.