Bad PS rack or bubble in the system???

[Mike93]

A few months back I had pulled the motor on the SHO to do a bunch of maintenance. While removing I obviously had to remove PS lines...now while driving I get the symptoms of a bad PS rack; most notable is when diving on the highway taking a cloverleaf exit/entrance the steering wheel wiggles back and forth, almost like the system is working, then not, working, then not, etc.

The rack is an Autozone unit with about 20,000 miles on it and never showed symptoms before engine removal. I did the whole turn the wheel lock to lock business while refilling with ATX fluid...but it feels like a bubble somewhere, I dunno...any thoughts???

 

[projectSHO89]

The internal seals in the rack are likely sticking or contaminated.

You can try a flush.....

FWIW, my 89 is on its third rebuilt rack, the other two were junk that caused the same symptom you're seeing within 20K miles.

Steve