What happens if rocker cover gasket is leaking?

Engine is running rough and causing misfires Sometimes when oil leaks from a valve cover gasket it leaks all the way down to the spark plug galley and eventually seeps inside the spark plug tubes. This will cause a misfire or reduce engine performance. It can also cause a fire under your hood if it goes unrepaired.

How do I stop my rocker cover gasket from leaking?

How to fix a valve cover gasket leak. If you find evidence of a leak, the best solution is to use BlueDevil Oil Stop Leak. Adding 8oz. of BlueDevil oil stop leak to your engine oil is guaranteed to permanently seal any oil leaks in your vehicle’s engine.

Can you drive with a leaking rocker cover?

In short: NO. Oil leaking from the valve cover(s) will not harm you engine and is very common as cars (and their gaskets) age. That said, and as other users have mentioned, it is a problem to drive a car with low oil. Valve cover leaks are usually very minor but your oil level is critical and should be monitored.

Why are the rocker boxes on my Evo leaking?

It looks like a good deal and anyone with a EVO knows how frustrating this can be. Best of luck – Bob If you tightend them evenly and corectly, and they are leaking, you damaged the little rubber gasket (s) I’d bet. I tried to be real careful torqeing them. The middle cover shifted before they were at spec. The oil isn’t pouring out but they leak.

Where are the gasket valves on an Evo?

The valves are inside the rocker box. If the gasket leaks, oil will leak through the seal and the engine will lose compression. Remove the four bolts that secure the rocker cover onto the rocker box using a 12-point socket and ratchet. On some models, the rocker boxes may have Allen head bolts. If your Evo engine has them, use an Allen wrench.

How do you replace a rocker on an Evo?

If your Evo engine has them, use an Allen wrench. Pull the rocker cover off the rocker box. Pull the metal gasket off the rocker box and wipe the mating surface of the rocker cover and the rocker box with a clean rag. Place the new metal gasket onto the rocker box and line up the holes for the bolts.

Can a rocker cover leak oil while the engine is running?

A rocker cover can leak oil while the engine is running, but not while the engine is stopped. Valvetrain action at high revolutions will spew forth a great deal of oil, yet leak little at idle, or none at rest. Replacing a rocker cover gasket is basic, but the procedure varies by engine.