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2007 Chevrolet Avalanche LTZ 5.3L Exhaust Smoke
Posted to GM Engine on 8/1/2016 16 Replies

Installed customer supplied longblock due to a lower end knock and excessive oil use. Vehicle runs perfect with one problem. After sitting it will blow oil smoke out of tailpipe upon startup, It goes away fairly quick. Thought of oil residue still in the exhau...

16 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Avalanche LTZ

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Avalanche LTZ

VIN 3GNFK12367
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedExhaust Smoke
ConditionsCold
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Avalanche LTZ

VIN 3GNFK12367
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedExhaust Smoke
ConditionsCold