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boost leak test

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Old Oct 14, 2019 | 08:36 PM
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chayes01's Avatar
chayes01
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From: Stewartsville, Mo.
boost leak test

I have made an adapter to pressurize my intake to do a leak test but how do I assure that all the intake valves are closed?
 
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Old Oct 14, 2019 | 09:18 PM
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Wes444
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From: Muskogee, Ok
You don't. Just stick the cap in the black boot thats attached directly to the turbo compressor, NOT the boot from the intake to the CCV mount on the valve cover, and slowly start building up the pressure.

Rough up the sides of the cap with rough sandpaper, or even just rubbing it against the concrete so the cap is rough and not slick. They tend to blow out and launch at you if they are slick. Then start spraying soapy water at every single connection in the charged air pathways. Generally the MAP line and wategate connections always bubble with the bad connectors, worm clamp the MAP. Spray every boot, and plenums, tighten em up till the bubbles are non existent
 
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