QUESTION: I was just informed the coolant leak in my GMC Yukon is due to a leaking intake manifold gasket. Apparently this is a common problem. I was shocked at the price quoted for the repair and ...

A Coolant leaking internally from the intake manifold gasket or cylinder head gasket can end up in one of two places: mixed with the engine oil or burned with the air-fuel mixture in the exhaust.

So, a leaking intake manifold is bad ... air from the plenum to each cylinder head. If a gasket or the manifold is damaged in some way, coolant will eventually escape and leak underneath ...

E.D., Elmhurst A-The white smoke probably is caused by coolant leaking into the ... service manager to remove the manifold to determine if the proper intake gasket was used, or if the part was ...

If the intake ... cover gasket portion of the head. This wider portion can sometimes contact the manifold and prevent it from sealing against the head. This can cause a massive vacuum leak as ...

While it's usually easy to locate an oil or coolant leak thanks ... vacuum advance. Vacuum leaks can also come from a loose or cracked intake manifold. If you've recently removed the manifold ...

That can be caused by a cracked or porous cylinder head or engine block, a leaking intake manifold coolant transfer port or warped intake manifold, or a failing head gasket. Likely, the crack or ...

This is not good; it usually means that a head gasket, intake manifold, or transmission oil cooler is leaking oil or transmission fluid into the engine coolant. This is a deadly mix that will kill ...

That can be caused by a cracked or porous cylinder head or engine block, a leaking intake manifold coolant transfer port or warped intake manifold, or a failing head gasket. Likely, the crack or ...