Bang/bang steering unsolved...

[Myke456 <Myke456@aol.com>]

Sorry to post this again, but this problem persisits. The only suggestions I
rec'd was checking the rack mounting and column bolts (all tight). 

Following is my original post with updates. I have not been driving the car
since posting. I'd appreciate it if anyone can lead me in another direction...

Replaced PS pump with ZF rebuild, as per Bentley and listmember procedures.
Took the car out (87 5kcstq) and have the following:
1) wierd rattle like vibration when driving on anything but the smoothest
surface, can only hear it while rolling, sounds like its coming from the
resevoir area or in steering column, or lower. Hard to describe sound, imagine
a 1 inch metal pipe with a 1/2 inch metal rod inside it, with each vibration
or bump the rod bounces against the sides.
2) clunk when turning, at about about 1/2 turn of the steering wheel and then
again on return-both directions. The vibration from this clunk is transferred
thru the steering wheel. Present while moving and at standstill. I tried to
locate this while someone turned the steering back and forth, engine running,
wheels on ground. The clunk/bank seems to eminate from the steering column, on
the passenger side of the firewall.
3) on straight road car pulls to the left-was tracking perfectly before

None of the above present before replacement. Prior pump working OK just
leaking. The replacement went without incident, including:
1) primed pump with Pento by rotating pulley and filling center port until
pump filled and fluid exiting rear port. Front port also filled.
2) after attaching hoses, filled resevoir, then with engine running, lifted
front wheels off ground, turned steering lock to lock a few times.
3) resevoir not allowed to empty
4) after the problems above surfaced, I repeated the "lock to lock" (wheels of
ground), with engine off and then with it running-problem persists.

Probably unrelated, but strange that it should surface at precisely the same
time:
1) heater blower doesn't come on (fuse OK)
2) engine "temp" warning triangle comes on for a few seconds intermittantly,
with temp guage reading a little higher than usual (and local temps cooler
than usual-20 degrees F). Coolant level OK.

Thanks in advance.

  ([____]=====OOOO=====[____])   87 5kcsTQ, 213k miles
 []]]]]]]][Mike Aiello][[[[[[[]     original owner
___\}}}/________________\}}}/_______myke456@aol.com
       Dutchess County, NY