leaking valve cover gasket?

Engines, Transmissions & Final Drive questions and answers

Moderators: timk, Stu, -alex, miata, StanTheMan, greenMachine, ManiacLachy, Daffy, zombie, Andrew, The American, Lokiel

User avatar
Locutus
Racing Driver
Posts: 879
Joined: Thu Jul 26, 2007 7:39 pm
Vehicle: NB SP
Location: Sydney
Contact:

leaking valve cover gasket?

Postby Locutus » Fri Apr 18, 2008 12:02 am

so i checked my plugs on the weekend but was pretty shocked to find that the 3 rear plugs came out with their threads covered in engine oil. the ends of the plugs that sat inside the cylinders all looked normal though.

so i think the valve cover gasket is leaking oil around the spark plugs. is this gasket as easy to change as i think?

- obtain new gasket
- unbolt valve cover
- take old gasket out
- clean sealing surfaces up a bit
- put new gasket in
- bolt it all up

do i need to buy a torque wrench, or can i just do them up \"not too tight\"?

User avatar
Steampunk
Speed Racer
Posts: 4670
Joined: Wed Oct 10, 2007 9:16 am
Vehicle: NA6
Location: Southside of Breeze-bane

Postby Steampunk » Fri Apr 18, 2008 1:00 am

Yup, cam cover is as easy as you think, and no, you don't need a torque wrench. Go with your gut, keeping in mind the thread is actually waaaay down the bottom of the bolts, so you don't want it to snap.

I would also give the cam cover gasket a coating of gasket goo, and replace your cam angle sensor o-ring while you are at it.
Image

Juffa
Racing Driver
Posts: 1751
Joined: Sun Apr 27, 2003 11:00 am
Vehicle: ND - 2 GT
Location: Bayside - Melbourne
Contact:

Postby Juffa » Fri Apr 18, 2008 10:10 am

What 1red said......but also have read here

==>> http://www.miata.net/garage/valvecover/index.html

It is important to apply high temp sealant as described in the link otherwise the new gasget will start to leak at these points.

J
Former owner of Mailbu Stacey, Smurfette and Tweety.

wun911
Speed Racer
Posts: 2114
Joined: Tue Sep 11, 2007 12:13 pm
Vehicle: ND - 2 GT
Location: Melbourne

Postby wun911 » Fri Apr 18, 2008 2:29 pm

Are you going to paint it?

The crinckle paint on green comments car looks neat
every ounce counts

User avatar
desertfox
Driver
Posts: 44
Joined: Sun Jul 09, 2006 11:39 am
Vehicle: ND - 2 GT
Location: Sydney

Postby desertfox » Fri Apr 18, 2008 4:02 pm

Where bouts in Sydney are you? I'm due to replace mine too and I'm considering doing it myself.

*I like to watch* :) - and help out, if I'm available.

User avatar
Locutus
Racing Driver
Posts: 879
Joined: Thu Jul 26, 2007 7:39 pm
Vehicle: NB SP
Location: Sydney
Contact:

Postby Locutus » Sat Apr 19, 2008 3:14 am

thanks for the advice. i probably won't paint it, although i think a crackle black cover with polished raised lettering would look amazing...

i'm out near parramatta, but usually work on my car at a friend's place in epping. won't have time to do this for at least a couple of weeks though - i need my suspension sorted first. http://www.mx5cartalk.com/viewtopic.php?t=30663

User avatar
desertfox
Driver
Posts: 44
Joined: Sun Jul 09, 2006 11:39 am
Vehicle: ND - 2 GT
Location: Sydney

Postby desertfox » Sat Apr 19, 2008 1:59 pm

That's cool, I'm working on my uni assignment for the next few weeks. I'm in West Ryde. Just let us know when you plan to work on it and I'll drop by if I'm available.


Return to “MX5 Engines, Transmission & Final Drive”

Who is online

Users browsing this forum: No registered users and 2 guests