Date: Wed, 12 Aug 1998 22:09:08 +0100 From: "Tim Ricketts ,Wales, UK ." <rickettsnopsamil.com> Subject: Re: Lack of Air
Alan Phillips wrote: > > Something my '85 900S Turbo has been doing all of its life with me (4 years) > is that the air flow greatly decreases, even stops, from the main air vent > as I accelerate or hold steady speeds of 70-80 mph. Is this the norm? It > seems worse now than ever and it sure doesn't make a lot of sense now in the > summer. Makes my wife's Accord look like a better ride! You must have a vacuum leak somewhere . All the air flaps are vacuum operated , so that in your case , more power or speed = less manifold vacuum so hence the air valve opens/closes . Sounds like you may have a split in the diaphram in the air valve that controls the central air vent .What you describe is certainly not normal!!. Tim.