4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

Intake manifold seals

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Old 01-23-2021
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Intake manifold seals

How many intake manifold seals are there? I thought 6 but i keep hearing about uppers and lowers....

its a 2004 ranger v6 4L
 
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Old 01-23-2021
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3.0l or 4.0l? On the 4.0l there are 6 o-ring style seals on the intake manifold to cilynder head mating surface. There are also seals on the throttle body, egr and pcv. I think thats it for the intake manifold. Not sure on the 3.0

I just looked on rock auto, they call all the 4.0l 6 o-ring intake gasket packs "lower".
 
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Old 01-23-2021
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Originally Posted by HawaiiMud
3.0l or 4.0l? On the 4.0l there are 6 o-ring style seals on the intake manifold to cilynder head mating surface. There are also seals on the throttle body, egr and pcv. I think thats it for the intake manifold. Not sure on the 3.0

I just looked on rock auto, they call all the 4.0l 6 o-ring intake gasket packs "lower".

yeah its a 4.0 so six seals from the manifold to the heads right?
 
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Old 01-23-2021
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Yep, that is correct.
 
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