MMBN AUTO DIESELGlendale · AZ
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GM / Chevrolet / GMC 6.6L Duramax

Duramax cooling system repair

Radiator, water pump, fan clutch and EGR cooler repair for the Duramax in Arizona heat.

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Why this matters on the 6.6L Duramax

Summer towing in Phoenix exposes weak cooling systems; the LLY in particular runs hot.

Symptoms owners notice

  • Overheating
  • Coolant loss

What we check

  • Pressure test
  • Fan clutch
  • Radiator flow

Repair work involved

  • Cooling system repairs

Trucks with the 6.6L Duramax

2005–2005 LLY Silverado 2500HD2006–2007 LBZ Silverado 2500HD2008–2010 LMM Silverado 2500HD2017–2024 L5P Silverado 2500HD2005–2005 LLY Sierra 2500HD2006–2007 LBZ Sierra 2500HD2008–2010 LMM Sierra 2500HD2017–2024 L5P Sierra 2500HD

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Phone number required · No obligation · We diagnose before quoting repairs

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