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2003 GMC Sierra 2500 HD 6.6L Coolant Reservoir
Posted to GM Engine on 10/6/2004 7 Replies

Driver states that he had to stop and add coolant twice on a 65 mile trip. No visible sign of coolant leakage, none visible from exhaust and no bubbles in coolant bottle. I once heard that the EGR valve is water cooled and can leak into the combustion chamber ...

7 Replies Received (View Replies)

  Related Documents & Media  2003 GMC Sierra 2500 HD

 
Message Closed w/Summary

car Vehicle Data

2003 GMC Sierra 2500 HD

VIN 1GTHC24173
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
AffectedCoolant Reservoir
ConditionsGoes Down
Message Closed w/Summary

car Vehicle Data

2003 GMC Sierra 2500 HD

VIN 1GTHC24173
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
AffectedCoolant Reservoir
ConditionsGoes Down