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Re: [GMCnet] Head gasket leak? [message #328283 is a reply to message #328279]

Tue, 16 January 2018 10:14

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

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Senior Member

I also seriously doubt that you have a head gasket leaking oil. There is no pressurized oil at that head seam. I would buy a new PCV valve and install it (around $3.00) and less than a minute or two to do it. I would go around the valve cover bolts bolts and LIGHTLY try to tighten them with a SHORT handled ratchet. If you turn them too tightly you will bend the valve cover lip where the bolts go through the holes and it will have to be removed and straightened.

If you can not tell exactly where the oil is coming from, I would take either some spray engine cleaner or brake cleaner and wash away the oil in the area. You might want to clean it up even if you can tell where it is coming from.

Which side is leaking? If it is the driver's side it is an easy job to replace the gasket if necessary. Passenger side is a little more difficult because the AC compressor bracket is in the way and needs to be removed. I would get new gaskets with a steel core. If no one else posts the part number I'll go find it.

When replacing, clean up the covers and examine the holes. and put a light coat of silicone on the lip of the cover. Use the valve cover bolts to keep the gasket aligned and place the cover and gasket on a flat surface to dry overnight. By morning the gasket should be stuck to the cover as the silicone set up.

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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[Message index]

		Head gasket leak? By: Jimmy_Bonez on Mon, 15 January 2018 18:01
		Re: Head gasket leak? By: 77Royale on Mon, 15 January 2018 18:29
		Re: [GMCnet] Head gasket leak? By: jimk on Mon, 15 January 2018 18:54
		Re: [GMCnet] Head gasket leak? By: Matt Colie on Mon, 15 January 2018 19:18
		Re: Head gasket leak? By: Matt Colie on Mon, 15 January 2018 19:12
		Re: Head gasket leak? By: Larry on Mon, 15 January 2018 20:25
		Re: [GMCnet] Head gasket leak? By: bdub on Mon, 15 January 2018 20:25
		Re: [GMCnet] Head gasket leak? By: bdub on Mon, 15 January 2018 20:32
		Re: [GMCnet] Head gasket leak? By: tphipps on Tue, 16 January 2018 07:55
		Re: [GMCnet] Head gasket leak? By: Ken Burton on Tue, 16 January 2018 10:14
		Re: Head gasket leak? By: Jimmy_Bonez on Tue, 16 January 2018 10:47
		Re: [GMCnet] Head gasket leak? By: Richard Denney on Tue, 16 January 2018 11:08
		Re: Head gasket leak? By: Jimmy_Bonez on Fri, 19 January 2018 21:46
		Re: Head gasket leak? By: 77Royale on Sat, 20 January 2018 11:14
		Re: Head gasket leak? By: Jimmy_Bonez on Sat, 20 January 2018 12:04
		Re: Head gasket leak? By: tphipps on Sat, 20 January 2018 17:28
		Re: Head gasket leak? By: Ken Burton on Sun, 21 January 2018 04:14
		Re: [GMCnet] Head gasket leak? By: USAussie on Sun, 21 January 2018 04:52
		Re: [GMCnet] Head gasket leak? By: Ken Burton on Sun, 21 January 2018 05:40
		Re: Head gasket leak? By: Jimmy_Bonez on Wed, 24 January 2018 09:23
		Re: Head gasket leak? By: Ken Burton on Wed, 24 January 2018 19:47
		Re: Head gasket leak? By: JohnL455 on Wed, 24 January 2018 09:46
		Re: Head gasket leak? By: shaunone on Thu, 25 January 2018 08:20
		Re: Head gasket leak? By: Larry on Thu, 25 January 2018 10:32
		Re: Head gasket leak? By: shaunone on Thu, 25 January 2018 13:00
		Re: Head gasket leak? By: jhbridges on Thu, 25 January 2018 12:58
		Re: Head gasket leak? By: Ken Burton on Thu, 25 January 2018 18:45
		Re: Head gasket leak? By: Jimmy_Bonez on Thu, 25 January 2018 20:24
		Re: Head gasket leak? By: Ken Burton on Thu, 25 January 2018 22:05

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