OEM 2009 Chevrolet Trailblazer Evaporator

2009 Chevrolet Trailblazer Parts Questions & Experts Answers

• Q: How to replace the air conditioning evaporator core on 2009 Chevrolet Trailblazer?

  A: The replacement procedure for the air conditioning evaporator core begins with HVAC module assembly removal. Inspect under the foam insulation because hidden screws are present. Screws need removal to separate the HVAC module assembly into halves before proceeding to separate the assembly. Become next to remove both the evaporator core and its associated seal between HVAC module assembly halves. Before installing the new evaporator core it needs to receive refrigerant oil addition. The HVAC module assembly halves should receive the seal before adding the evaporator core into the assembly with proper positioning of the two case sections' seal. The HVAC module assembly should receive proper fastener precautions before assembly with screws to join the halves that should be tightened to 1.9 Nm (17 lb in). The HVAC module assembly requires its completion as the last step.