DGB wrote:
>
> Same thing on my '94 V-6 at 147k. Replacing the sender did
> nothing, put a manual gauge on it for a double check, same
> thing. Next step is to pull the engine and remove the oil
> pump! :-)
>
> Dwight
>
IMO it sounds like a cracked pickup tube.
A "really bent up dipstick" will cause oil level
to be lower and have same symptoms.
if you have access to an OEM oil pump look
and see if the pickup is silver soldered on,
they tend to crack the most.
depending on crack location,if it is the problem,
you can test by overfilling w/ 1 extra qt. oil and
see if it makes a diff.
cold oil is thicker and wont let air into pickup
as fast as hot oil.
drain off extra qt. after.
plugged bottom channels on oil pan baffel, if it has one,
will cause it also, the oil cant get over baffel but can
drain in normally.
either problem needs the pan dropped to fix.
> ----- Original Message -----
> From: "Jack 3" <hemi@charter.net>
> To: <dakota-truck@buffnet.net>
> Sent: Monday, February 18, 2002 10:16 AM
> Subject: DML: strange V6 problem....any help ?
>
> > OK, my Brother got a 93 V6 CC in a trade a few weeks ago
> > and he was getting ready to sell it but it has a very
> > weird problem. He serviced the tranny, put a timing chain
> > on it, water pump, etc etc.
> > So nw what it started doing is when the truck is good and
> > hot, and you start really throwing down on it (going inmto
> > passing-gear,hard launches, etc) the oil pressure guage
> > drops to 0 and the light comes on.We checked and it seems
> > to be fine, but it just does this in this circumstance.
> > The only way to get the light out and the guage back up is
> > to let the truck cool down completely.
> > We thought it was a bad sending unit, but we changed it
> > and it does the same thing.One note: When we removed the
> > old sending unit there was a pressure build-up inside the
> > crankcase.This was evident by the 'ppppffffttttt' we heard
> > when we took the sending unit out.Just like a leaking
> > tire.
> > I thought maybe there were some nylon teeth from the
> > original timing gear sucked up in the oil pickup, but this
> > truck does not use nylon teeth on the timing gear.
> > I am still thinking that somehow some trash got into the
> > pan and sucked up, and maybe when the oil thins out when
> > it's hot that whatever it is is moving around enough to
> > throw a light.
> >
> > Anyone ever had anything close to this happen ?
> >
> > Jack 3
> >
> >
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