Ambient Air Temperature Sensor Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Ambient Air Temperature Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications . Preliminary Procedure Remove the top portion of the grill and gently pull forward. Refer to Fascia Grille Replacement (Z71) or Fascia Grille Replacement (Suburban, Tahoe) or Fascia Grille Replacement (Escalade) or Fascia Grille Replacement (Yukon) or Fascia Grille Replacement (GMC Yukon Two-mode Hybrid) . Disconnect ambient air sensor electrical connector.
1	Carefully lift ambient air sensor from the radiator support. Tip: Vehicles with automatic HVAC, use the ambient air sensor located on the right side of the radiator support.

Callout

Component Name

NOTE: Refer to Fastener Notice .

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedure

Remove the top portion of the grill and gently pull forward. Refer to Fascia Grille Replacement (Z71) or Fascia Grille Replacement (Suburban, Tahoe) or Fascia Grille Replacement (Escalade) or Fascia Grille Replacement (Yukon) or Fascia Grille Replacement (GMC Yukon Two-mode Hybrid) .
Disconnect ambient air sensor electrical connector.

Carefully lift ambient air sensor from the radiator support.
Tip: Vehicles with automatic HVAC, use the ambient air sensor located on the right side of the radiator support.