A/C - Wind Rush Noise from Dash With Max A/C On

File In Section: 1 - HVAC

Bulletin No.: 66-12-04

Date: April, 1996

Subject:
Wind Rush Noise from Dash with Maximum A/C On
(Replace Air Inlet Assembly and Gasket)

Models:
1995-96 Chevrolet and GMC S/T Models
1996 Oldsmobile Bravada
with Air Conditioning

Condition

Some owners may comment about a wind rush type noise from the right side of the dash when the A/C control is at the maximum position and the fan blower control is on low speed. The noise will usually start at about 35 MPH (57 kph) and get louder as vehicle speed increases.

Cause

The air inlet assembly door is not sealing properly.

Correction

Verify the Recirculation Door Actuator is functioning properly. Replace the air inlet assembly and gasket per the applicable S/T Truck Service Manual, Section 1A.

Parts Information

P/N Description Qty

52457315 Air Inlet Assembly 1
52458500 Gasket 1

Parts are currently available from GMSPO.

Warranty Information





For vehicles repaired under warranty, use as shown.