Nope. DEFINETLY not that. I know what that sounds like. This is much
louder. The ping comes and goes on my truck.
--Aaron--
95 DSRC 4x4 V6
www.geocities.com/adakota4x4_95
>From: Doug Fedeli <rdf@eznet.net>
>Reply-To: dakota-truck@buffnet.net
>To: dakota-truck-moderator@twisted.twistedbits.net
>Subject: Re: DML: Timing Chain Attn: Bernd (kinda long)
>Date: Tue, 21 Nov 2000 11:11:59 -0600
>
>Sounds like the dreaded ping.
>
>Doug Fedeli
>
>"A. S." wrote:
>
> > Ok Bernd, got a question. Not sure if this problem is going to do
>serious
> > damage to the truck or not so thought I better figure out what it is.
>Here
> > are the symptoms:
> > 1. Metallic rattle increasing to almost a buzz as rpm's rise.
> > 2. Only occurs when truck is cold - disappears a few miles down the road
>or
> > when truck reaches normal operating temp.
> > 3. Only occurs when truck is cold due to it being cold outside (winter).
> > When it's just started in the summer, it will not do it the majority of
>the
> > time.
> > 4. It is a loud noise - SEEMS to come from the engine area, but I'm not
> > sure.
> > 5. Only occurs in 1st and second gear - very rarely heard in 3rd.
> > 6. Noise mostly cuts in and out rapidly although sometimes it is
>continuous.
> > 7. Noise usually starts at about 1600 rpm and goes to 2000-2100 (or
>shift
> > point) and again, buzzes more rapidly as rpms climb in gears mentioned
> > above.
> > 8. Noise stops completly when gears shift but picks back up at close to
>rpms
> > shown above.
> > 9. Noise is greatly increased when starting off on a hill when truck is
> > cold.
> > Now, hopefully I've given enough description that might trigger
>something in
> > your mind that could be the cause. Also note that the timing chain was
> > replaced about 30,000 miles ago with whatever it is NAPA sells. I was
>told
> > by the same people that installed it, that my current noise is due to
>the
> > timing chain failing again. Could this be possible? I had it changed
> > before due to a rattle at warm idle. That noise is not really there
>now.
> > Also, it seems to me that the timing chain would rattle when the truck
>is
> > warm, not cold. I would think that the heat of the engine would "thin"
>the
> > oil down more than a cold "thick" oil and the heat would tend to add a
> > little more slack to the timing chain.
> > Anyway, let me know your thoughts and what I might check.
> > Thanks!
> > --Aaron--
> > 95 DSRC 4x4 V6 Auto
> > www.geocities.com/adakota4x4_95
> >
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