Intake Noise After Shut Down - Page 2 - 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 10-18-2011
Join Date: Oct 2011
Location: Eastern WA state
Posts: 151
Originally Posted by Blhde View Post
It is probably air rushing past the valves as the engine slows.
Exactly where I was expecting to take this thread.
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Old 11-01-2011
Join Date: Oct 2011
Location: riverside ca
Posts: 11
I had the same sound and on mine it sounded like the noise was coming from the intake but I finally found the problem was a leaking brake booster gromet where the it goes from the intake to the brake booster. worth checking.
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Old 11-19-2011
Join Date: Sep 2011
Location: Weston Florida
Posts: 55
Mine only does it on an incline.
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Old 11-30-2011
Kris03's Avatar
Join Date: Jun 2011
Location: glastonbury, ct
Posts: 1,236
mine did that sound when you revved it. sound came from the intake as well. although mine was because the pushrod fell off the lifter haha. so i dont think thats your problem
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