A/C - Booming Noise at Idle With A/C ON
Bulletin No.: 07-01-38-011Date: November 08, 2007
TECHNICAL
Subject:
Boom Noise in A/C at Idle (Install Rubber Grommet Between Radiator and Discharge Pipe)
Models:
2007 Chevrolet Aveo Notchback
2007 Pontiac Wave Notchback
with Air Conditioning (A/C)
Built Between VIN Breakpoints 7B123093-7B191071
Attention:
This bulletin only applies to US and Canadian dealers.
Condition
Some customers may comment on a boom noise at idle when the A/C is operating.
Cause
The resonance of the A/C discharge pipe by the compressor pumping pressure may cause this condition.
Correction
Install a rubber damping grommet, P/N 96887033, between the radiator and the discharge pipe using the following procedure.
Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Place the rubber grommet (3) as shown above between the radiator and the discharge pipe (1).
Fit the rubber grommet over the pipe by turning in a clockwise direction as shown above.
Position the grommet (1) to make the bottom of the grommet come in contact with the side of the radiator as shown above.
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table.
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