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For 1990-2009 cars only

Whistle Noise Heard with HVAC Blower on High (Install Foam Strip in Door Handle)

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



Condition

Some customers may comment on a whistle noise heard when the HVAC blower is on high speeds.

Cause

When the HVAC is on high speed, an increase in cabin pressure causes air to rush through the outside door handles.

Correction

Install a foam strip in the door handle.

  1. Remove the door handle. Refer to Front Side Door Outside Handle Replacement in SI.
  2. Cut a piece of foam 13 mm (1/2 in) in thickness by 19 mm (3/4 in) long by 19 mm (3/4 in) wide.
  3. Lift up the handle gasket in the area of the locator pin.

  4. Object Number: 1851036  Size: SH
  5. Place the foam over the locator pin and push the locator pin through the foam as seen in the illustration above.
  6. Install the handle gasket.
  7. Install the door handle. Refer to Front Side Door Outside Handle Replacement in SI.

Parts Information

Purchase locally.

Warranty Information

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 It will not be published in the Labor Time Guide.