Question about Daewoo Leganza

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I have a 1998 Daewoo 2.2 . I have replaced the rocker valve cover gasket on 2 occassions and oil continues to leak from the valve cover into and onto the spark plugs causing the engine to miss fire due to poor connection between the spark plugs and the leads

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  • Master
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Use engine silicon sealant as well as gasket. Best used with new gasket. Also check tightness of rocker cover retaining screws.

Posted on Oct 30, 2012

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6ya6ya
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Posted on Jan 02, 2017

freetek
  • 5568 Answers

SOURCE: rocker cover oil leaks NL pajero 1998 NL

The gaskets may not be at fault; the first time the valve cover was removed it was probably damaged by an impatient mechanic.
Most covers are sheet metal and the gaskets have an ugly tendency to get sticky over time making removal very difficult.
An inexperienced or sloppy mechanic can easy damage the edge of the cover causing a permanent distortion that a gasket replacement cannot correct.

I hope you have correctly identified the source of the leak since a warped cylinder head can also cause oil loss but that would be from the junction of the cylinder and block.
That would be much more expensive to correct than replacing a damaged valve cover.

Posted on Jun 21, 2008

SOURCE: Leaks oil looks like from valve cover

You have to remove the spark plugs cables and remove the four nuts that you see when the cables are removed.

When the four nuts are removed, simply raise the valuve cover. When replacing the gasket, make sure you get the gromets as well. Those sometimes get worn or crack since they are more exposed than the value cover gasket. Make sure that you clean the cover from oil and replace the gasket with no use of silicon.

Good Luck.

Posted on Aug 04, 2008

MrScary66613
  • 1990 Answers

SOURCE: oil leaking out of valve cover gasket

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!

Posted on Jan 30, 2009

66 chrgr
  • 1011 Answers

SOURCE: valve cover gasket oil leak into spark plugs

you will have to put another valve cover gasket on between each cylinder there is a round gasket between valve cover and cylinder head if you buy the valve cover gasket kit they will be in the kit .please rate this answer thanks.

Posted on Feb 01, 2009

leetamara
  • 702 Answers

SOURCE: valve cover gasket leaking

When you buy the valve cover set, it will include the spark plug well "O" rings. Simply remove the valve cover and on the underside of the valve cover, you'll see the "O" rings that need replaced and you'll see exactly how the valve cover gasket itself fits.

Posted on Feb 12, 2009

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Oil pressure sensor replaced 9/14/2015started to leak oil again. Valve cover gasket replaced 1/6/2016 9/14/2015 now leaking oil again


When you replace the rocker cover gaskets, clean the surfaces where the gasket contacts the heads and the rocker cover with alcohol and a rag. Make sure there is absolutely no oil residue on either surface. Use a silicon sealer and spread it on the side of the gasket that will touch the head. Position it and use the head bolts temporarily as guide pins to hold the gasket in place until the sealant dries COMPLETELY. Remove the bolts. Now put more sealant on the surface of the rocker cover and install the cover on the gasket gently so as not to disturb the gasket. Install the cover bolts and tighten firmly but not so as to squeeze or deform the gasket. If dine correctly, the gasket will not leak.

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more than likely the rocker cover (cam box) gasket is leaking oil onto sparkplugs if on the outside of the spark plugs and HT leads. replace the rocker cover gasket

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2 Answers

Is there supposed to be oil in with the spark plugs


No this is not mormal. I am assuming you are saying there is oil on the outside of the spark plug and not on the electrode when you removed it. If you have oil on the outside of the plug your valve cover gasket is leaking. Try tightening the valve cover down ever so slightly. DO NOT over-tighten. If that does not work then the gasket will need to be replaced. Unless it is leaking lots of oil, you may just want to live with it as it is expensive to pay someone to replace the valve cover gaskets.

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You need a new valve cover gasket set. This will come with seals that fit around the spark plug tubes.

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You need to replace the spark plug tube seals in the valve cover. Very easy once you get the valve cover off. Make sure you get the valve cover gasket kit that includes the tube seals. Victor Reinz makes it: Part number VS50059

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My 2001 Daewoo Leganza is leaking oil from the valve cover gasket how to fix this? What do you do?


Replace the valve cover gasket. On mine, the valve cover was warped and I had to get a replacement from the salvage yard to stop the leak

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3 Answers

Burnt Oil Smell


Check carefully around the valve covers, this is the area that leaks most frequently occur, and being located next to the exhaust manifold can easily cause the burning smell. There is a very easy to replace gasket under the cover. Other possibilities, shop or you when changed or added oil spilled a bit and that has worked down to the exhaust manifold and is causing the burnt oil smell. Last possibility is that you do have a slow leak on the underside of the engine that is blowing back onto the exhaust system causing the smell.

May 22, 2009 | 1998 Oldsmobile Intrigue

1 Answer

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pull the valve cover gaskets, clean them and replace them, there is no cheater way to do this. To pin point leak you'l need to look closely at the covers if oil is running down the sides towards front or back of motor (theres 2 covers, one front, one rear) if it is, you may be able to tighten bolts, but be careful not to strip them. If they are tight, youl need to change the cover gaskets

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1 Answer

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It's very possible that the gaskets weren't installed correctly. Unlinke other cars I've owned, my 99 A4's valve cover gaskets are actually somewhat longer than they need to be (about an inch or so), and you have to be very careful when installing them that they don't get pinched outside the "channel" that they're supposed to sit in. I'd be willing to bet that the installer bumped the gasket when replacing the valve cover and knocked it out just enough that it's allowing oil to leak past the gasket. I'd pull the valve covers again and verify that they're seated correctly. I would bet they aren't - there's really nowhere else on the 2.8 for the oil to leak where it could hit the manifold.

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