Increased Oil Consumption Due to Intake Manifold Gasket Leak on Dodge Durango

On 3.9L V6 and 5.9L V8 engines, the intake manifold gasket may leak and cause increased oil consumption and a spark knock during acceleration; the gasket should be replaced.

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Average mileage: 104,666 (90,000–126,000)
Engines affected: 5.2L V8, 5.9L V8
3 model years affected: 1998, 1999, 2002
6 people reported this problem
4 people shared problem details
Plenum intake gasket leaking. Was consuming a quart of oil every 500 miles. I added a liquid gasket sealer to the oil and now am only using a quart every 2000 miles. But it's only a matter of time before it will require a replacement gasket costing approximately $1200, mostly labor. Research shows this is a common problem due to an aluminum plenum contracting and expanding at a different rate than the engine block due to dissimilar metals. Bad design.
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2002 Dodge Durango- 5.9L V898,000
Increased oil consumption and haven't tried to fix
1 person likes thisFlag inappropiate
1998 Dodge Durango- 5.2L V8
oil cunsumption
2 1/2 quarts of oil had to added within 2 weeks. Truck developed misfire on cylinde #8. Took it to firestone and sparkplug was fouled by oil leaking into cylinder. Check engine light came on. I'm guessing this is the intake manifold gasket
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