Why is my Silverados 5 3 blowing white smoke?

If your piston rings are getting worn, there could be just a bit of oil getting into your cylinders when the truck sits. Then when you start poof the one cloud of smoke comes out as the oil gets burnt?

Why does my Silverado truck Smoke at startup?

So last year I noticed my truck would occasionally smoke at startup. First thing I did was disabled AFM. This worked for a while but the problem came back. It did not happen to often so I just ignored it. Now, for the past week or so, it is happening everytime the truck sits for an extended period of time.

Why do I get blue smoke when I start my Vortec?

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 its just on start up it should just be a valve issue, some other members might have better insight than me, but it sounds like something like a valve issue.

How to help my 5.3 is blowing some white smoke?

Re: Help! my 5.3 is blowing some white smoke! Get your hand in front of the exhaust oulet and smell it when it happens. If it’s oil, it’ll smell like oil. If its coolant, it won’t and you may smell a hint of antifreeze. Watch your coolant level for any dissappearance.

Why is my Chevy Silverado blowing white smoke?

Here are some of the other symptoms of a blown head gasket in the Chevy Silverado: If your engine is running rough, and billowing out white smoke, it very well could be either a blown head gasket, or a cracked head. It’s important not to ignore a potential blown head gasket.

What kind of V8 is blowing white smoke?

: Vortec 5300 5.3L V8 Help! my 5.3 is blowing some white smoke! I have an 05 5.3L with 125,000 miles on it. I have never had one issue with it, not warning lights or anything.

What kind of engine does a Chevy Silverado have?

The two fluids are always segregated into separate chambers and passageways. During the 2001 to 2006 Silverado model years, GM had several different suppliers making the cast cylinder heads for the Vortec 4.8 and 5.3 liter engines. Some cylinder heads, made by the supplier Castech, began to crack, allowing coolant to seep into the oil.

What’s the problem with the Chevy Silverado engine?

Some 2001 to 2003 Silverado engines have faulty oil pump O-rings, which aerate the oil and prevent lifter pressurization. This problem is identified in TSB 02-06-01-038 (12/02/2002). Low oil level provides inadequate volume to pressurize the lifters.

When did Chevy Silverado replace the EVAP vent solenoid?

Please try again later. On this episode of Fear No Fix, Jim and Chris replace the EVAP Vent Solenoid in a 5.3L Chevrolet Silverado (model years 1999-2006*). https://www.bluedriver.com/sites/defa… If you liked this video, please comment below and let us know what you think! Also, subscribe to our channel for updates on more great content!

Can a 2006 Silverado 5.3L smoking on startup?

2006 Silverado 5.3L Smoking on Startup Solved! If you own a GM truck or other vehicle with a 5.3L smoking on startup, you should read this. When starting the vehicle after it has sat for a while you’ll get some bluish white smoke from the exhaust. You’re burning oil, but relax.

Why do I get white smoke when I start my Silverado?

When starting the vehicle after it has sat for a while you’ll get some bluish white smoke from the exhaust. You’re burning oil, but relax. It’s most likely oil that has seeped into the vacuum hose through the PCV valve.

Why is my 5.3 blowing white smoke?

Re: Help! my 5.3 is blowing some white smoke! White smoke can also be coolant. If it has a sweet smell that’s a pretty good indicator that you’re burning coolant and not oil. Although (IMHO) it would be weird to not burn coolant continually, so oil is probably more likely. Re: Help! my 5.3 is blowing some white smoke!

What does 5.3L smoking on startup mean?

If you own a GM truck or other vehicle with a 5.3L smoking on startup, you should read this. When starting the vehicle after it has sat for a while you’ll get some bluish white smoke from the exhaust. You’re burning oil, but relax. It’s most likely oil that has seeped into the vacuum hose through the PCV valve.

What to do if your GM car has blue smoke?

3. Inspect the PCV baffle drain holes to see if they are plugged with hardened oil deposits. If they are plugged, replace the valve cover, and make sure that the customer is changing the engine oil according to the maintenance schedule in their owners manual.

What’s the difference between white smoke and blue smoke?

White smoke normally indicates water vapor while blueish smoke is associated with oil. I’d say you either have a slight coolant leak or condensation formed in the exhaust. Re: Help! my 5.3 is blowing some white smoke! Get your hand in front of the exhaust oulet and smell it when it happens. If it’s oil, it’ll smell like oil.

Which is terminal 87 and 30 on a Chevy Silverado?

RE:Max, 30 is the wire that has 12 volts to it from the A/C 10 amp fuse, take a jumper wire and touch it to the dark green wire (87) and the compressor clutch should engage. Yes you can jump the wires while the engine is running. Which ones are terminals 87 and 30?

Why does my Chevy Silverado have white smoke coming from the exhaust?

The color of your exhaust can tell you a lot about the health of your Chevy Silverado’s engine and emissions systems. When there is white smoke coming from the exhaust, it can mean a few things. It’s not necessarily anything to be concerned about.

Where does the smoke come from in an engine?

Thick smoke usually comes from the faulty in engine coolant, which could lead to many serious problems like damaged cylinder head, blown head gasket, cracked engine block… which might cost drivers quite a lot. In this situation, we suggest to not ignore it.

Why does my car have a lot of smoke coming from the exhaust?

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.

Can a bad crankshaft sensor cause engine to run rough?

You will feel, and maybe hear, this as a brief stutter in the engine. You might feel that the engine runs rough or vibrates at idle, say, when you’re sitting at a red light. This is similar to the above in that it stems from poor spark timing. As seen with rough idling, sometimes crankshaft position sensor problems are worse at low engine speeds.

Can a white smoke be oil or coolant?

White smoke can also be coolant. If it has a sweet smell that’s a pretty good indicator that you’re burning coolant and not oil. Although (IMHO) it would be weird to not burn coolant continually, so oil is probably more likely. Re: Help! my 5.3 is blowing some white smoke!

Where is the trouble code on a GMC?

When retrieving GMC trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on.

What’s the gas mileage on a 2005 GMC Sierra?

The EPA-estimated gas mileage for the 2005 GMC Sierra 1500 is 14 mpg for city travel and 19 mpg on the highway. How much is a 2005 GMC Sierra 1500 worth? The average CARFAX History Based Value of a 2005 GMC Sierra 1500 is $10,823.

Where was the 2005 GMC Sierra 1500 purchased?

Accident reported. 1st owner purchased on 07/13/05 and owned in KS until 07/26/10 • 2nd owner purchased on 09/24/10 and owned in KS until 05/17/11 • 3rd owner purchased on 09/10/15 and owned in AL until .