loose ac air flow when vehicle accelerates

Asked by clampdriver Sep 11, 2016 at 01:46 PM about the 1997 GMC Jimmy

Question type: Maintenance & Repair

When I step on the gas the air flow out of the ac vents are reduced to almost nothing and it comes out defroster vents top of dash

1 Answer
61,165

Andrew answered 8 years ago

There is a vacuum canister mounted on your hood. It looks like a plastic ball and should have one vacuum line going to it. It helps prevent this

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