Drivetrain Boost leak test?
#3
#5
Two ways
I made an adapter out of PCV with a tire valve stem that I put in the hot side boost tube and can apply air pressure up to 25 psi. This addresses the intake BEFORE the throttle body.
For the intake manifold itself; this is more touchy but a smoke machine from the exhaust tips will work or plug the tips and access through the O2 sensor port.
OR
Using the pre throttle method; plug the tips and have someone in the car ignition on open the throttle body then introduce the pressurized air.
One then has to listen for air leaks
I also made a smoke producing apparatus using some pipe, end caps and 2 small holes on either end and use tobacco to introduce the smoke then apply the air but generally one can track down via the noise using vacuum tube as a stethoscope.
I made an adapter out of PCV with a tire valve stem that I put in the hot side boost tube and can apply air pressure up to 25 psi. This addresses the intake BEFORE the throttle body.
For the intake manifold itself; this is more touchy but a smoke machine from the exhaust tips will work or plug the tips and access through the O2 sensor port.
OR
Using the pre throttle method; plug the tips and have someone in the car ignition on open the throttle body then introduce the pressurized air.
One then has to listen for air leaks
I also made a smoke producing apparatus using some pipe, end caps and 2 small holes on either end and use tobacco to introduce the smoke then apply the air but generally one can track down via the noise using vacuum tube as a stethoscope.
Last edited by Indimanic; 09-11-2015 at 07:14 AM.
#6
#7
Found these drain plug adapters that fit into the exhaust and seal perfectly.
Remove the hot side boost tube, put in adapter, turn on ignition to open throttle body then pressurize the system with air. Add smoke if a leaking noise is detected.
This pressurized the entire intake and exhaust systems
Remove the hot side boost tube, put in adapter, turn on ignition to open throttle body then pressurize the system with air. Add smoke if a leaking noise is detected.
This pressurized the entire intake and exhaust systems
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