GM 23271562 Gear Assembly, R/Pinion Steering

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To remove the rack and pinion, start by parking the vehicle with the front wheels straight and locking the steering column. Remove as much power steering fluid as possible using a syringe or turkey baster. Disconnect the negative terminal of the battery and loosen the wheel lug nuts. Raise the front of the vehicle and support it on jackstands, then remove the front wheels. Detach the tie-rod ends from the steering knuckles and disconnect the stabilizer bar links. Disconnect the intermediate shaft from the rack and pinion and remove the rear driveshaft on all-wheel-drive models. Remove the subframe brace, rear-bank catalytic converter, and heat shield protecting the rack and pinion. Support the rear of the subframe with floor jacks and remove the left and right subframe reinforcement brackets. Loosen the subframe front reinforcement bolts and front subframe mounting bolts, as well as the subframe rear mounting bolts. Lower the subframe to gain clearance for rack and pinion removal. Remove the fluid lines, rack and pinion nuts and bolts from the left side, and rack and pinion mounting bolts from the right side. Finally, maneuver the rack and pinion out from the left side of the vehicle. For installation, use new subframe mounting bolts and raise the subframe with floor jacks before tightening the bolts. Tighten the rack and pinion mounting bolts to the proper torque specifications and align the match marks when connecting the steering column shaft to the rack and pinion input shaft. Fill the power steering reservoir with the recommended fluid and bleed the power steering system. Lastly, have the front-end alignment checked and adjusted if necessary.

Use new subframe mounting bolts and raise the subframe with floor jacks before tightening the bolts.