mine broke a piston on Cyl 1! so who knows...
did you hear any noises that were not normal when it was running???
Tony.
----- Original Message -----
From: Aaron Wyse <awyse@sw.rr.com>
To: <dakota-truck@dakota-truck.net>
Sent: Wednesday, January 14, 2004 10:18 PM
Subject: Re: DML: replacing timing chain on 1998 dakota 2.5 liter
>
>
> ----- Original Message -----
> From: "Wilbur" <bwgreen@ocean.otr.usm.edu>
> To: <dakota-truck-moderator@bent.twistedbits.net>
> Sent: Wednesday, January 14, 2004 7:33 PM
> Subject: Re: DML: replacing timing chain on 1998 dakota 2.5 liter
>
>
> >
> > Bah, I should have checked the cylinder compression first....Well thanks
> > for the help you guys have given me already...you saved me from dropping
> > more money on the wrong parts. I disabled the fuel pump, grounded the
> > coil, removed all the spark plugs, and hooked a cylinder pressure tester
> > up to each of the cylinders in turn...very interesting what I
discovered:
> >
> > Cylinder 1 no pressure what-so-ever...nada...zip
> >
> > Cylinder 2 ~160 psi
> >
> > Cylinder 3 ~135 psi
> >
> > Cylinder 4 ~142 psi
> >
> > Each of the last 3 cylinders at least sounded like there was compression
> > as I cranked it over...on the first one, there was no sound of
> > compression...
> >
> > I have not been able to detect any oil in the radiator or water in the
> > oil...but maybe I should look harder by releasing some of each into
> > containers to examine them in more detail....So where is all the
> > pressure going from cylinder 1? Possible cracked block, or blown
> > valves? Any idea the best way to proceed from here? Is there a better
> > way to isolate where the pressure in cylinder 1 is escaping to? Sounds
> > like I need to do some exploratory surgery. :) Any suggestions where
> > to start?
> >
> > Wilbur
>
> If you have an air compressor.. Put #1 @ TDC and pressurize(well have it
> try to anyway) that cylinder.. listen for where your air is going.. check
> cooling system for bubbling. oil fill cap for hissing.. listen at the
> throttle body..
> See if you can have a better idea as to where the problem is before you
tear
> into it.
> Aaron Wyse
>
>
This archive was generated by hypermail 2b29 : Sun Feb 01 2004 - 16:29:50 EST