Squealing Camshaft Bearing (long)

[Jim Green]

--- "Dr. Ian McArthur" <sutul at telusplanet.net> wrote:
> This is a multi-part message in MIME format.
> --
> [ Picked text/plain from multipart/alternative ]
> I have a squeal in the front camshaft bearing in one
> of my 5TQs.  To make
> sure of the problem I removed all of the belts for
> alternator, air and
> hydraulic pump, removed timing belt cover and
> checked for the source of the
> squeal with a stethoscope.
>
> The squeal (at idle) seems to come from the front
> cam bearing.  I recently
> repaired the head after a broken timing belt bent
> some valves.
>
> Now the question:  what to do?
>
> The advice I have from my local (very good)
> machinist is to use some fine
> emery cloth (or whatever the really fine stuff is
> called) and dress the
> bearing surface to remove the scoring.

That's about all you can do short of scrapping the
head.  I have a similar problem with the rear bearing
that I'm going to try and address this week.  I'll let
the list know how it comes out.


=====
Jim Green
'89 90tq 034EFI Stage II
http://www.geocities.com/jeg1976/car_home.html

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