Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Tom,GM calls for removing the rack and pinion , trying to do it with the sub frame in place dose not give you the clearance you need. Your choices are either you remove the rack or drop the sub frame. See GMs steps in the link below.https://dl.dropboxusercontent.com/u/104923897/Inner%20tie%20Rod%20Oct%2017.pdf
I would lower the frame , you can usually get just enough clearance to get it off with out removing the rack