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General Category >> Rubber Side Down! >> leaking head
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Message started by buster6315 on 03/07/17 at 20:00:18

Title: leaking head
Post by buster6315 on 03/07/17 at 20:00:18

I've noticed that my oily mess is emanating from above the head gasket. How will I be able to discover its source? Suppose I'll have to remove my fuel tank again? Thank you!

Title: Re: leaking head
Post by Ruttly on 03/07/17 at 21:25:15

Clean it really good then go ride it , then see if you can find it ! May be the plug in the head leaking on to the head stud & nut.

Title: Re: leaking head
Post by Dave on 03/08/17 at 04:11:48

The repair always starts with a good cleaning.

Leaky areas can include the left front cylinder stud, any of the smaller head cap bolts that have sealing washers on them (don't overtighten those small bolts or you will strip the threads out of the head....it is better to take these screws out and clean and apply a sealer than it is to try and crank them down tighter). The RTV sealant between the head cap and head can also fail, and this requires removal of the head cap and cleaning out the old sealer, and applying new sealer.

You can remove the vent tube at the top of the cylinder, and pressurize the crankcase to about 5psi....then spray soapy water on the engine and looks for bubbles.

Oily mess on head:
http://i61.tinypic.com/nqv4tw.jpg

Air/soap test revealed a leak a the sealer on the head cap.
http://i60.tinypic.com/11blzdl.jpg

Here is a link to the air test thread posted by Verslagen:
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1335737953

Title: Re: leaking head
Post by buster6315 on 03/08/17 at 06:59:37

Thanks for the suggestions!