Question about 2005 Chevrolet Aveo
When i start my car up after it sitting for several hours it smokes but after it has been running it does not smoke , what could be wrong, it is a 2005 chevy aveo with 113,000 miles on it. i got a guy to look at it and he thinks it needs a valve cover gasket , is this a symptom. just got the car serviced but there is oil on the gasket cover .
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Posted on Jan 02, 2017
SOURCE: Heavy Smoke
Yeah,,your engine is showing signs of wear, if it blows a lot of oil out the back end after sitting at a light or stop sign,,then that is a sure indicator of Valve seals needing replacement,,,but it also sounds like your engine is worn out Piston Rings and all.
You could try a product which is used on just about every drag racing strip,,it's called Lucas Oil treatment,,,i don't promise that it will solve all your problems,,,but if it don't help,,it sure wont hurt.
Best of luck to ya.
Posted on Jan 19, 2009
You are likely correct in the valve guide thing...A little known fact about chevy smallblock engines is that when first introduced as the 265, the cam profile was different than the later versions (283 and up) Because of the different profiles in the later engines, the valve stem gets shoved against the guide as it goes up and down, causing it to wear. If the problem was a bit worse, likely they would have changed the position of the rockers but it wasn't so they didn't.
The stem seals are a simple "o" ring. Replacing them if the guides are worn is useless. (if they were a better design though likely the guides would wear faster so they are actually good in that respect)
What you need to do is to remove the heads and have the guides replaced. BUT, I'd first remove the valve covers and make sure the oil returns at the ends of the oil galleys in the heads aren't blocked with gunk. If they are, oil will pool up inside and run down the guides. In most cases, if they are blocked, simply clearing them will get your oil consumption back to within the "normal" range.
Posted on Dec 05, 2010
i use brake cleaner or even a electronic parts cleaner to clean leaking oil out of spark plug holes and off the plug wires as well and when your done start the motor and run it till it stops smoking the you will be fine.
Posted on Jan 06, 2011
Testimonial: "will let you know how everything works out . thanks"
The valve cover gasket isn't hard to change. Oil on the plugs indicates a more serious problem. Smoke from the exhaust would be from rings, rich mixture, worn valve guides. It may be that the engine is overfull (that would show on the stick). Oil loss from a leaking gasket would smoke under the hood and leave oil on the engine and the ground.
Posted on Mar 25, 2011
Testimonial: "Thanks a lot for your comment."
Smoke could be from hose clamp on hose not tight enough otherwise possible intake gasket problem, trans fluid should be red and if it is just a hint of browned and probably just needs a flush but if it is dark brown black something goin on with trans, and the motor oil you would have to pull the dip stick to see the level of oil
Posted on Apr 07, 2011
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