Question about 2001 Oldsmobile Bravada

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Olds bravada only blows hot air

Vents only blow hot air no a/c

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  • Oldsmobile Master
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Is yours manual or Automatic HVAC system ? heating ventilation air conditioning . When is the last time you tried it ? did it work then , last year ? Where do you live south , north ? Have you had any refrigerant added lately ?
The Heating, Ventilation and Air Conditioning (HVAC) system is divided into three separate sections. The first, Heating, Ventilation and Air Conditioning, has all procedures that pertain to a HVAC component or function that is not specifically associated with the manual control system. The second, HVAC Systems-Manual, has all procedures specific to the manual control system.
Begin the system diagnosis with the:
?€¢
Symptoms - HVAC Systems - Manual in HVAC Systems-Manual for 4.3 L without DTCs


?€¢
Diagnostic System Check - HVAC Systems - Manual in HVAC Systems-Manual for 2.2 L with DTCs


?€¢
Diagnostic System Check - HVAC Systems - Automatic in HVAC Systems-Automatic for 4.3 L with DTCs


The Diagnostic System Check will provide the identification of the control module(s) which command the system.
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
Review the Description and Operation information to help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation.

Posted on Apr 13, 2015

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Posted on Jan 02, 2017

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