GM 15951338 Gear Assembly, Steering (W/ Steering Linkage Tie Rod)

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Loosen the front wheel lug nuts, raise the front of the vehicle, and support it securely on jackstands while applying the parking brake before removing the wheels. Next, remove the under-vehicle splash shield, skid plate bolts, and the skid plate if equipped, followed by the rack and pinion crossmember. For 4WD models, remove the front differential housing. Mark the relationship of the intermediate shaft coupler to the rack and pinion input shaft and remove the pinch bolt. Detach the tie-rod ends from the steering knuckles. Position a drain pan under the rack and pinion, remove the bolt, and detach the pressure and return lines from the rack and pinion, capping the lines to prevent leakage. Unscrew the mounting nuts, remove the washers, and slide the bolts out to lower the rack and pinion from the vehicle, noting that there are two vertical bolts and two horizontal bolts securing it. Installation is the reverse of removal, ensuring all fasteners are tightened to the specified torque values, the wheel lug nuts are also tightened to the torque, and the power steering fluid level is checked and adjusted if necessary before bleeding the system.

For 4WD models, remove the front differential housing.