Re: Re: Belly Pan gasket and PING PING PING - Diagnosis

From: Richard A Pyburn (rap777@juno.com)
Date: Thu Jun 07 2001 - 08:24:06 EDT


Agreed. No insult implied.

On Wed, 6 Jun 2001 22:48:34 -0500 "mrdancer"
<mrdancer2@home.your.underwear.com> writes:
> And I posted it several years ago (and a coupla times since). Still
> thought
> it was worth posting, since a few people hadn't seen it.
> --
> --
> Richard A Pyburn <rap777@juno.com> wrote in message
> news:20010606.154139.-247511.4.rap777@juno.com...
> > Good info, but Bob Tom said this over a year ago.
> >
> > Richard in San Antonio
> > On Tue, 5 Jun 2001 22:43:38 -0500 "mrdancer"
> > <mrdancer2@home.your.underwear.com> writes:
> > >
> > >
> > > --
> > > --
> > > "Suter, Rick" <RSuter@bizfon.com> wrote in message
> > > news:E22DA6225145D51180E70090273FA83F01AC1F@PLATO...
> > > >
> > > > What is the diagnosis for the belly pan/PING issue on 5.2l
> > > engines? (I
> > > know
> > > > I'll have to TELL the dealer how to do it!)
> > >
> > > SOURCE: MoPar Performance News, Tech Tips, by Larry Shepard -
> Mopar
> > > Chief
> > > Engineer
> > >
> > > The problem is related to the gasket that seals the cover to
> the
> > > bottom of
> > > the manifold on the Magnum engines. If this gasket does not
> seal
> > > properly,
> > > the engine can suck in oil vapors from the lifter valley and
> cause
> > > the
> > > engine to detonate due to the aggressive spark advance curve
> used in
> > > the
> > > Magnum computers. Remembering where this gasket is located, this
> is
> > > not the
> > > first thing that you want to do. It could be expensive and time
> > > consuming
> > > to pull off the intake to check. However, we have a helpful tip.
> To
> > > determine if there is a proper seal, remove the PCV (Positive
> > > Crankcase
> > > Ventilation) valve from the right hand valve cover, but leave
> the
> > > PCV valve
> > > attached to the hose from the intake manifold. Remove the
> breather
> > > hose
> > > from the left-hand valve cover that goes to the air cleaner.
> > > Plug-off the
> > > connection at the valve cover. With the engine idling, place
> your
> > > thumb
> > > over the opening where the PCV valve was located. After 10-15
> > > seconds you
> > > should feel pressure, which indicates that the gasket is
> sealing. If
> > > you
> > > feel a vacuum, the gasket is leaking and needs to be repaired.
> The
> > > best
> > > repair is to remove the intake manifold, remove the bottom plate
> and
> > > discard
> > > the failed or leaking gasket. Clean all the surfaces thoroughly,
> and
> > > apply
> > > a bead of Mopar RTV sealant, PN 82300235 to the bottom of the
> > > manifold.
> > > Re-install the plate, let dry and then re-install the manifold.
> > > Refer to
> > > the service manual for manifold installation tips and details.
> > >
> > >
> > >
> > >
> > ________________________________________________________________
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>
>
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