Smoke on startup diagnosis guide 2001 suburban lt 2wd, 5.3, v8 330,000 miles, leaks oil now at rear main seal stock 4l60e on 5th filter/fluid change Likely causes, quick checks, costs, and recommended tools.
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Determining the severity of smoke coming from a radiator depends on factors such as the color and smell of the smoke
White or bluish smoke with.
Blue smoke on cold startup often indicates burning oil due to a faulty pcv valve Inspect the pcv valve for clogging or wear, as it regulates crankcase pressure and prevents oil leaks. Understand the specific mechanical failure causing that blue smoke puff when you start your car, and how to assess the required repair. It could be your valve seals that need attention, letting a small amount of oil trickle into the combustion chamber as its sits, and then burns up upon start up causing your blue smoke.
If you have white smoke, coolant is getting into the combustion chamber and a leaky head gasket is most likely To test if there is a possible bad valve seal, put the car in a low gear so. Blue smoke points to engine oil burning off, typically from hardened valve stem seals that allow oil to seep into the combust A brief puff of smoke on startup indicates a specific internal.
My 2011 5.3 liter ltz will blow a pretty good cloud of blue smoke after a long highway run at speeds of 65 to 75 mph
Truck has 270,000 km / 160,000 miles. Diagnose why your engine overheats when idling Learn what to do if your car smokes when starting Understand the causes behind white, blue, or black smoke, how to fix them, and when to seek help
Get expert advice and car care. Blue smoke on moderate/hard acceleration indicates bad rings. If blue smoke is only happening on a cold start, it is likely that it is a piston/cylinder problem With so many different causes of blue smoke, it can be a daunting task.
7 causes of white smoke from exhaust on startup |white smoke from exhaust when accelerating and when idle so if your turn on your car especially.
I currently have a 2011 silverado 1500, with 163,622 miles on it It's a 5.3 vortec engine It smokes from the exhaust a light blue exhaust that's mixed with a grey/white exhaust Ok so i have a 05 with a 5.3 and its blowing blue smoke at start up
It doesnt do it everytime, but here and there it does I know chevy had a problem with valve guides in the older. 2010 chevy silverado 1500 lt Blue smoke on cold startup issue silverado 1500 lt may experience pcv valve failure and minor oil leaks causing blue smoke during cold starts.
Blue exhaust smoke usually means your engine is burning oil — often due to worn piston rings, valve seals or a turbo oil seal