C 2500 Suburban 2WD V8-6.0L VIN U (2002)
Technical Service Bulletin # 01-01-39-004A
Date: 021201
A/C - Not Cold Enough/Blows Warm Air
File In Section: 01 - HVAC
Bulletin No.: 01-01-39-004A
Date: December, 2002
TECHNICAL
Subject:
A/C Not Cold Enough, A/C Blows Warm Air with Vehicle at Extended Idle (Install Auxiliary Electric Coolant Fan)
Models:
2002-2003 Cadillac Escalade
2000-2003 Chevrolet Suburban, Tahoe
2000-2003 GMC Yukon, Yukon XL
with 6.0L Engine (VINs U, N - RPOs LQ4, LQ9)
This bulletin is being revised to add 2003 model year information and 2003 model year installation instructions. Please discard Corporate Bulletin
Number 01-01-39-004 (Section 01 - HVAC).
Condition
Some customers may comment that the A/C stops cooling and blows warm air when the vehicle is idling for an extended period of time such as sitting in
traffic.
Cause
Inadequate airflow over the condenser may cause this condition.
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table.
