Next time you have the valve covers off, turn them upside down and check the
gasket sealing surface next to the bolt holes. Mine did the same thing.
Apparently, lots have score marks where they had the covers in jigs waiting to
have the bolt holes punched. Looks like they brought the punch down to the
covers only to realize the measurement was off. These score marks were causing
mine to leak even through the new style rubber-lined steel shim gaskets. Just
put a dab of Mopar black (or equiv.) silicone on those score marks and it'll all
be good to go.
Hope this helps,
Shane
B1LLYW@aol.com wrote:
> I understand that there are certain bolts, for example intake manifold bolts,
> that should be replaced and not re-used. I guess they can be torqued only
> once, become stretched, and cannot be reliably used again.
>
> Does anyone know if our valve cover bolts are the same way? I seem to have a
> recurring problem with valve cover leaks that I never had until I built this
> motor. I've got the MOPAR Magnum valve covers with the heavy duty gaskets.
> These are generally pretty sturdy and not prone to leaking. I tightened the
> bolts and now I'm getting a leak again.
>
> I noticed that MOPAR Performance does sell a bolt kit for these covers, which
> makes me think these may be "torque-once" bolts. Opinions on this?
>
> Bill White - http://www.moparforme.com
>
> THE BIONIC DODGE - 2000 Ram QC 1500 Sport, 408 Stroker - All Motor & Staying
> That Way
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