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2006 Pontiac Montana SV6 3.9L Engine cooling system
Posted to GM Engine on 1/31/2011 8 Replies

Customer originally complained of poor heater performance at idle; flushed system & replaced t-stat, inspected for leaks, put vehicle on deck truck to elevate front end and remove trapped air, replaced upper heater hose with temporary piece with bleeder screw,...

8 Replies Received (View Replies)

  Related Documents & Media  2006 Pontiac Montana SV6

 
Message Closed w/Summary

car Vehicle Data

2006 Pontiac Montana SV6

VIN 1GMDV33186
Engine3.9 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine Cooling System
ConditionsErratic Temp/Heater Cold
Message Closed w/Summary

car Vehicle Data

2006 Pontiac Montana SV6

VIN 1GMDV33186
Engine3.9 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine Cooling System
ConditionsErratic Temp/Heater Cold