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2003 Chevrolet Impala Base 4dr Sedan

2003 Chevrolet Impala
Trim Info:
Front Wheel Drive, 4 Door Sedan, Large
21 mpg city / 32 mpg hwy
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March 25, 2013, 3:17 pm

Prospero B
 

Question: for how long the intake maniford gasket should be ok

our car have only 57000 miles dealer change the water pump in august and now is leaking antifreeze. They say now is the intake maniford gasket. Never get overheat. This is normal?


April 1, 2013, 10:54 am

Ron W
Expert Mechanic

No, it's not normal, but does happen.

Most intakes are plastic with an o ring type seal on modern vehicles. Unfortunately, they are more prone to failure than their aluminum intake with a compression gasket counter parts on older vehicles.

There's no good answer to life span, except that regular service of the cooling system is very important, so the coolant doesn't degrade and eat through water pump, intake manifold, or head gasket seals.


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