Why does my GMC Truck have blue smoke at start up?

Why does my GMC Truck have blue smoke at start up?

It can and does happen to most any make/model. New seals likely would fix the issue, but if it’s just a little puff, a more cost effective solution may be to just not look at the tailpipe when you start it up. Honestly, if you regularly change the oil at 3k miles, you may want to try going back to dino oil.

What kind of smoke comes from a diesel engine?

Blue Smoke: Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather.

What to do if you have blue smoke coming out of your engine?

Lift the hood and locate the engine oil level dipstick which usually has a yellow handle on it to distinguish it from other components. With the engine off and the car on level ground remove the dipstick and wipe it clean, then reinsert and remove to observe the level. The level should be between the FULL and ADD marks.

It can and does happen to most any make/model. New seals likely would fix the issue, but if it’s just a little puff, a more cost effective solution may be to just not look at the tailpipe when you start it up. Honestly, if you regularly change the oil at 3k miles, you may want to try going back to dino oil.

What to do if you have blue smoke coming from your engine?

First of all, remove the valve cover and do necessary cleaning to rid your engine of debris. Despite various type of engines , the first thing which can cause blue smoke is surely the engine. Clean the drain back holes carefully and recheck and reassemble them. After the mending job, wait for 2 or 4 more days for the remaining oils to clean away.

What causes blue smoke when you blow a turbo?

Blue smoke will suddenly appear in a big cloud if your car blows a Turbo. A blown turbo is either the turbo casing has damaged or a broken oil seal in the Turbo. In both cases they let oil into the intake of the engine. 4. Blue Smoke Comes With Transmission Fluid Loss