I just recently changed the valve cover gaskets on my 1992 gmc sierra 1500 2 wheel drive 5.7L and now trucks smoking any ideas? how do I tell if valve cover it siting correctly

Either some oil dropped on the headers and it will burn off or the new gaskets are leaking. Does the smoke go away after a while? Can you see if fresh oil is pouring out? Did you torque the bolts or did you over tighten them and bend the valve cover?

i changed it about a week ago and still smoking from tailpipe.. no oil is pouring out no new spots under truck..i did but I think I may have bent the header now that u say that because my buddy was like give it another 1/8 turn and I did and when I did it made a popping noise.. and its ruber gasket no need for sealant

Smoke coming out the tailpipe doesn't have anything to do with a valve cover. Valve covers keep oil inside the engine. Loose and leaking valve covers drip oil on the headers that make smoke under the hood. Smoke out the tail pipe at start up is worn valve guides. Smoke out the tail pipe all the time when running is worn rings. It's a twenty one year old vehicle, you can expect a little smoke. Just add oil so it does not run low. Get more advice before trying to replace or repair a engine this old. It sometimes isn't worth putting a lot of money into it.

ok but it was fine before we changed the valve cover gaskets is what im getting at .. could the smoke be from the valve covers put on wrong .. its not smoking all the time just after truck gets warm and its only on take off when im driving its fine when I come to a stop and go is when it smokes

ok this is my first vehicle how will I go about taking out the piston rings and putting new in? and about how much will it take to do ?

I keep having to redo my gaskets. I hope this time will fix it. I think the smoke is coming from oil that leaked out and I didn't clean it off

Hi, woundering if you solved you blue smoke because of the valve cover gasket install? THanks