Commercial Truck A/C & DPF Repair in Los Angeles

Truck A/C Repair, DPF Diagnostics & Emissions Service


Western Truck Exchange specializes in commercial truck A/C system repair and diesel emissions system service, including DPF diagnostics, cleaning, and repair. Modern trucks rely heavily on properly functioning emissions systems and climate control to remain compliant, efficient, and comfortable for drivers.


A/C & DPF Services We Offer

  • Truck A/C diagnostics
  • Refrigerant leak detection
  • Compressor and airflow repairs
  • DPF diagnostics
  • Forced regeneration support
  • DPF cleaning and repair
  • Sensor and fault code diagnostics
  • Emissions system troubleshooting
  • Derate and warning light diagnosis


Common Signs Your Truck Needs A/C or DPF Service

  • A/C blowing warm air
  • Weak airflow from vents
  • DPF warning light
  • Check engine light
  • Truck stuck in derate mode
  • Frequent regeneration problems
  • Loss of power
  • Excess soot or emissions-related fault codes


Call Us 323-750-1279


Schedule A/C or DPF Service

Complete the form below and our service team will contact you to confirm your truck, issue, and appointment availability.

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