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Hi Shy Guy, I'm guessing that in fact you mean the tappet cover (which fits over the cylinder head valves. It's usually a simple matter to replace the gasket which is the usual place for leaks to occur. Before removing it's very advisable to clean the engine first and alleviate problems of dirt getting into the opened engine. Remove anything in the way, making sketches or photographing before disassembling as a reminder of the way they go back. loosen off the fixing screws, remove the cover, replace the gasket and refit. Rubber gaskets usually harden if the vehicle overheats. Do an oil and engine filter change together with the air cleaner element and replace the fuel filter too. When you've done that, drain the coolant and replace that too. If it comes out dirty, carry out a cooling system flush. Regards John
Is the valve cover leakage coming from a crack on cover or valve gasket (between the cover and engine)? If it is coming between the valve cover and engine, then you will need a new gasket. They range between 20-50 bucks depending on vehicle. If you can not afford one, for a quick fix, but needs to be corrected as soon as can afford. Your able to make your own quick fix gasket using high heat gasket silicone. It would have to cool off completely before adding silicone making your own bead around the contour of bottom of valve cover then sit for a few hours before starting it. If you can afford a new gasket; remove the old one. It might take a scraper. Take some sand paper and clean the where the gasket was really good. Wipe clean then add some high heat gasket silicone. then place the gasket on the silicone. Add a bead of high heat gasket silicone to the engine where the valve cover would go, that helps keep it in place when screwing the screws back on. If you leakage is coming from a cracked valve cover, i would advise replacing it. I am sure you could find a used cheap one at a local junk yard.
will try to help.if it's only the valve cover leaking,i'm guessing they sold you the rubber one that says ne rtv sealant needed. take your back off, try not to break the rubber seal when removing!clean the top of head where gasket goes. clean the valve cover really good!clean the grooves out that the gasket slides into. buy some blue trv glue, apply a thin coat to top of head, let it setup while you apply another thin coat to valve cover, let set 10mins. apply gasket to valve cover making sure to push the gasket into the grooves on valve cover. don't worry about neatness. let the valve cover set on a hard surface with the gasket against the hard flat surface[such as a garage floor,or clean driveway] after10 more minutes install the valve cover,make sure and take your time. place valve cover onto motor,than hand start each bolt to insure thay are going into the prope bolt holes. after you have each bolt hand started, start at center of valve cover snugging the bolts down to motor. do not crank down or apply excessive force when tightening those bolts. you should see some of that blue rtv glue coming out around the valve cover when applying torque to the valve cover bolts. only secure them snug at first. let car set for 15mins. start car and look for leaks around the cover, do not over tighten those bolts but you may need to look for a leak, go to bolt closest to leak and turn it 1/4 at a time until leak stops. but if you do this step by step, you'll not have a leak issue. you may have pinched the gasket when you replaced it. hope this helps and thank you for choosing fixya.com
Buy the valve cover gasket in one of local auto part stores. Don't start the car, put it on parking breaks. If you drove before wait when engine cools down. After then you will need a 10 mm wrench (it can have different size). Loose all nuts on the valve cover. After that remove the cover carefully. It's possible that you will have to disconnect and loose more stuff from the valve cover. When you open the cover you will see 4 gaskets for each spark plug place remove them also. Now you will need something to clean surface where the gaskets go. It can be special spray to degrease surface or it can be regular gas. Don't spill any liquid on the engine it can be harmful. You can use also sandpaper of minimum roughness to clean the surfaces. After that put the spark plug gaskets on it's places. If they don't stay there you have to buy special sort of glue (usually it's not a case). Then put the valve cover gasket on it's place, there are special grooves. Install the valve cover gasket extremely careful the valve cover gasket is very fragile. After you putted everything on its places start to tighten. You should do that in certain order. Start from one of the edges then middle opposite side and then the side from which you started but another edge (the same for another side). Don't tighten it comletely for one time, make couple "rounds" before you finish. After you check and connect everything remove all your stuff from the engine compartment and start the engine. Don't close the hood you need see that there is no leakage.
most likely it is the valve cover gasket. it covers the valve train where there is alot of oil to lube the top of the motor. if the head gasket was leaking it may have more signs of running poorly. also having coolant leaks also. so i will have to say valve cover gasket. now usally you may have a oil burning smell with it depending on the area of the lek but not always.
the valve cover can easily be seen when the hood is open. it is right on the top and where it meets the clyinder head is where the gasket is and the leak can be seen.
It is a Valve Cover Gasket. You can get a new one at any Auto Parts Store. To make this repair last longer, Do not get the Cheap one, Get a Felpro Gasket and it will Quadrupel the Gasket Life. Please Rate My Response! Thanks!