The PCV vacuum regulator in the V/C can rupture causing the problem which requires replacing the V/C. It's common but too simple and too easy to fix to be your problem. It's not uncommon to find a spark plug or two not properly torqued and allowing a little compression to escape. There are three things that can cause the issue, actually four if you count the rare one of having a spark plug or two coming loose. I'm going through the whistling noise at idle right now and can tell you what the problem is. The valve in the intake manifold tends to fail just as much as the others, and that will take out the valve cover PCV valve eventually. Keep in mind the valve cover "PCV" valve is only one of three valves in the PCV system. Transplant the oil cap neck, oil cap and dip stick. Check every bolt again, there are 15 bolts, it is very easy to miss one.ġ0. So use a bit of common sense here to check the wrench is set right.ĩ. For reference that is 6 foot/pounds, and a gallon of milk weighs a bit more an 8 pounds. Using the proper torqueing pattern again, tighten the bolts to 72 inch/pounds. Now snug up all the bolts (about 36 inch/lbs) using the proper torqueing pattern.Ĩ. Put the new valve cover in place, give it a wiggle you can feel it settle in. Place a small amount of high temp gasket maker ( like the size of two peas ) on to both timing chain joints.Ħ. This is the area just to the right of the dip stick.ĥ. Clean out the crap that has built up in the crank case vent channel. On the new valve cover check to ensure the gasket is pushed in and seated to the gasket channel, EVERY inch of the gasket. Get all old liquid gasket from the joint between the timing chain cover and engine head.ģ. After removing the valve cover clean the engine seal surface with alcohol, clean rags and a razor blade. They are all good, I used the APEX, that said OEM is probably best.Ģ. By a new valve cover (they all come with a gasket) get either a OEM, Dorman, or a APEX. I just replaced my valve cover a couple months ago and I still don't get all the issues people seem to have.Īs always, this for you just as much as the passersby.ġ. IMHO when see all the comments like the bolts broke or the threads blew out I think over torqueing. Many people have come on this site with similar issues after attempting a valve cover replacement. Could that cause the black cloud of smoke?Ĭlick to expand.I wouldn't use anymore helicoils than you need to complete the repairs. I did it kind of fast, and wondering if maybe the gasket was not set right or has a leak, or if the PCV is just bad out of the box. I'm the original owner and the car only has 88K miles.Īny ideas what could be the issue here? It definitely happened after the valve cover/gasket replacement, I know because I did the work. I am having the car towed back and taking of a week off from work next week. They offered 3k trade to a new car which they are asking 5K above sticker. Even though I was using a good torque wrench to 72 inch/lbs at least 2 of the aluminum threads blew apart, and will need to install at least 2 helicoils and thinking do I just do them all? I had the car towed to the dealer because I didn't have the time to work on it further, and they said the turbo-charger failed and they want $5,000 to fix everything. I used a valve cover I bought off of amazon, and after I installed the gasket and cover, it idled for a little rough for a few minutes and then when I put into reverse it blew more black smoke out of the exhaust then a B-52. So I attempted to change the valve cover gasket, and ended up creating a small disaster.
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