First the knock was a loud single or double knock only when the starter
dis-engaged, but following the new bearings it was a sickly loud constant
knocking so bad that my mechanic only let it run for a few seconds before
turning it off.


"Don" > wrote in message
news:dAQDb.23012$pY.14956@fed1read04...
> Not knowing how loud the sound was or what it sounded like.... could it be
> wrist pins?
>
> "John C" > wrote in message
> ...
> > We have a UK 1995 Cherokee 4.0 LTD Auto with a genuine 35000 miles, we
> > noticed a heavy bottom end knock on starting, only a knock or two, the
> sump
> > was removed and some wear was found in the big end bearings so they were
> > replaced, the main bearings were fine, the engine was turned over
without
> > the coil connected to build up oil pressure, but when the engine was
> started
> > there was an end noise 10 times worse than before so it was turned off
> after
> > a few seconds.
> >
> > The mechanic who carried out the work has rebuilt bottom ends before,
and
> > has rechecked all the bolts etc on the car and all seems as it should
be,
> > but he admits he is stumped by this, he has now suggested that we start
> > looking at the top end.
> >
> > Anyone got any advice or had a similar problem.
> >
> > John
> >
> >
> >
> >
> >
> >
> >
>
>