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Old 10 Feb 2010, 05:58 pm
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Default Valve Cover Torque

I'm changing my valve cover gaskets since there was a pool of oil in a couple of plug wells...

Is the max torque really 105 in lbs = 8.75 ft lbs???

That doesn't seem tight enough but hey, maybe that's right????

Thanks.
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Old 11 Feb 2010, 05:16 pm
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Default Re: Valve Cover Torque

Yes (105 in-lbs, 12Nm) BUT they are supposed to be torqued down in increments. First 40 in-lbs, then 80 in-lbs then up to the 105 in-lbs.
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Old 11 Feb 2010, 06:32 pm
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Default Re: Valve Cover Torque

Quote:
Originally Posted by CREWZIN View Post
Yes (105 in-lbs, 12Nm) BUT they are supposed to be torqued down in increments. First 40 in-lbs, then 80 in-lbs then up to the 105 in-lbs.
There is also a pattern to tightening them down, too.
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Old 12 Feb 2010, 04:41 pm
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Default Re: Valve Cover Torque

Thanks...That's what the Hayden manual said but wanted a second opinion...

FOR THOSE WHO ARE EXPERIENCING SIMILAR SYMPTOMS, READ THIS...
I had P0304 code (cylinder misfire) that I thought was just plugs. After pulling a couple of plugs covered in oil (and I mean a pool of oil), I found through searching this site that it may be the spark plug well seals...

I bought the valve cover gasket (comes with spark plug seals) and did the job in about 3 hours.... You have to remove the intake manifold, accelerator linkage, and some other electrical and vacuum connections....

Don't forget to replace the PCV while your doing this..... I finding out with the Turbo (after 140K miles) that clean air and gas are a must....

Not a difficult job if you're patient; you should try this on a Millenia

I hope this helps some others experiencing this problem...

Thanks - Duff
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Old 12 Feb 2010, 04:47 pm
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Default Re: Valve Cover Torque

Thanks for getting back. Hopefully it will help someone else out with the same problem.
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Last edited by CREWZIN; 12 Feb 2010 at 04:49 pm.
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Old 13 Feb 2010, 09:17 pm
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Default Re: Valve Cover Torque - P0304 CEL !!!

Well the CEL is ON again.... I did check the spark plug wells and they are bone dry so the valve cover gasket/well kit worked fine...

The code is P0304 - Cylinder 4 misfire...

The car accelerates and runs well but does idle a little rough when sitting at a light.... The plug wires are relatively new, the plugs just put in yesterday.

Would the coil be bad? Not sure what to check next?

thanks..........
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Old 13 Feb 2010, 09:47 pm
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Default Re: Valve Cover Torque

The coil very seldom goes bad. What we recommend owners do at this point is to change the spark plug wire to a different position. I think the No#4 wire can be swapped around to the No#1 spot. Take off the negative battery cable to reset the computer first then see if the fault code changes. If it goes to a fault in No#1 you have a bad wire. If not, change the No# 4 spark plug to a different cylinder and see if the fault code moves with it.

Even though you have new plugs and wires, doesn't mean you don't have a bad one.
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Old 14 Feb 2010, 11:34 am
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Default Re: Valve Cover Torque

Will do..... I suspect a lower intake gasket leak, not upper as I just changed that (however, will tighten slightly to be sure)..... Thanks again....
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Old 24 Feb 2010, 07:26 pm
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Default Re: Valve Cover Torque

Moved #4 and #1 wires, fault came back on #4 as original. Have not swapped the #4 and #1 plug but will try that next. But I'm having a hard time with thinking the plug could be bad as I just changed the plugs 2 weeks ago????

I did buy a coil ($92) as the car has 142K miles and thought I might be prevention.

If it's not the wires, plugs or coil, what's next,,,,,the injector?
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Old 24 Feb 2010, 07:42 pm
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Default Re: Valve Cover Torque

You can get a bad plug but can't rule out anything including an injector. All your trouble might have been avoided with a good scanner because that could have pinpointed the exact problem but it will cost you the diagnostic fee. An hour of time at a dealer nowadays could be around $90. All it's costing now is time.
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