SR-68 STEERING — Power Steering (Gear Housing) SST 87400 SR1090 SR1041 (d) Coat the teflon rings with power steering fluid, and carefully slide the tapered end of SST over the teflon rings to seat the rings. SST 09630-24013 (09620-24050) 6. IF NECESSARY, REPLACE UNION SEAT (a) Using a screw extractor, remove the union seat. (b) Using a plastic hammer and extension bar, tap in a new union seat.