In Reply to: Aneroid Diaphram posted by Greg C. on May 07, 2008 at 11:17:48:

There should be a tube between the intake manifold & the aneroid.We have a regulator and gauge attatched to an air line.Unhook the tube & hook to regulator.Ajust pressure to 12psi.If there is a leak in the diaphram you will hear it leaking.Also hook the regulator to the tube going to the wastegate actuator & do the same test.We have found that the wastegate diaphram ruptured & this leak will not allow the aneroid to"fuel" your engine.