4.0L coolant leak, lower intake - Ranger-Forums - The Ultimate Ford Ranger Resource

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

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Old 06-08-2014
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Join Date: Jun 2014
Location: Ogden, UT
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4.0L coolant leak, lower intake

Hello all, first post here. Dont have a Ranger but do have an explorer.
But so my roommate 97 Ranger with the 4.0L started leaking coolant in a spot iv never seen yet working on cars/trucks so kinda stumped on whats leaking. not sure if its the lower intake thats cracked or if the lower intake gasket can leak in this way.

Seen before? Common problem?

Heres a video
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Old 06-08-2014
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Lower intake gaskets commonly starts to go in the passenger rear side. I had two trucks both blow lower intakes gaskets.

I can't see your video, but lower intake gaskets do commonly tend to leak, not the lower intake itself.
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Old 06-09-2014
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Join Date: Jun 2014
Location: Ogden, UT
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ok this is on the front side right below the throttle body. if the lower intakes never crack then im pretty sure its the lower intake gasket.
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