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. > > > > > > > > > ________________________________________________________________ > GET INTERNET ACCESS FROM JUNO! > Juno offers FREE or PREMIUM Internet access for less! > Join Juno today! For your FREE software, visit: > http://dl.www.juno.com/get/tagj.
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:01:45 EDT