Subject: | Whistle Noise Heard With HVAC Blower On High (Install Foam Strip in Door Handle) |
Models: | 2007 Cadillac Escalade Models |
2007 Chevrolet Avalanche, Suburban, Tahoe |
2007 GMC Yukon Models |
Some customers may comment on a whistle noise heard when the HVAC blower is on high speeds.
When the HVAC is on high speed, an increase in cabin pressure causes air to rush through the outside door handles.
Install a foam strip in the door handle.
Purchase locally.
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
---|---|---|
B9799* | Install Foam In Front Left Outside Door Handle Cavity | 0.4 hr |
Add | To Perform Operation On Right Side | 0.3 hr |
Add | Material Allowance | Claim net item maximum of $5.21 USD ($6.13 CND) |
* This labor operation is for bulletin use only. It will not be published in the Labor Time Guide. |