mystery pump - need to fix soon?

[Huw Powell]

> There is a pump attached to my engine ('88 5 cyl), on the power steering
> side, just below the cam cover.... Anyway, I have a "thwocking"
> sound ...  which is supposedly the sound this pump makes
> when it goes bad.
>
> I've also been told I can remove the piston and leave the pump as-is,
> and everything will run fine without repairing the pump.
>
> My two questions are: 1) how critical is it to get this done (am I
> damaging the cam?)

No harm, it's just irritating.

>; and 2) how do I do this?

Undo the two nuts that hold it to the head, bottom one first, pull it
off, pull out rod, bolt it back on.

It augments the intake manifold vacuum for the power brakes, unless you
try using the brakes while revving the engine, you will never notice the
difference.

--
Huw Powell

http://www.humanspeakers.com/

http://www.humanthoughts.org/