GM 19330459
Steering Gear

The first step for Rack And Pinion replacement requires vehicle elevation with proper support. Start by removing the stabilizer shaft before you disconnect the tie rod ends from the steering knuckles then disconnect the steering intermediate shaft from the Rack And Pinion. Hook up a utility stand to support the frame before you take out the frame rear bolts. Never let the frame drop too much because it might damage engine components. First secure the frame and powertrain with the utility stand before you can remove the Rack And Pinion heat shield. Begin by detaching the Rack And Pinion cooler pipe and pressure hose from the Rack And Pinion. Then remove the Rack And Pinion bolts and nuts. Pull the Rack And Pinion out of the left side wheel opening of the vehicle. Install the new Rack And Pinion through the left side wheel opening to the frame by using bolts according to these instructions: first, ensure the fasteners are spotless then develop 2 nm (18 inch lbs.) torque/drag before seating; repeat if necessary for new fasteners. If not, replace them. Torque the Rack And Pinion nuts to 60 nm (44 ft. Lbs.) while turning an additional 60 degrees before reinstalling the heat shield. Connect the Rack And Pinion pressure hose first and tighten to 27 nm (20 ft. Lbs.) torques before proceeding with the cooler pipe and causing the same amount of torque on it. Raise the frame and powertrain with the utility stand while installing the cooler pipe retaining clip. Then secure the frame rear bolts to 165 nm (122 ft. Lbs.). First lower the vehicle before installing the steering intermediate shaft alongside tie rod ends and stabilizer shaft. Complete the Rack And Pinion system with fluid then perform an air bleed followed by leak detection and proper toe adjustment.

To change the Rack And Pinion, make sure that the front wheels are straight and Steering Column is locked before disconnecting any of the parts in order to prevent misalignments and damage to the sir coil assembly. Start with the rotation of the Steering Wheel to the forward position, locking it, and removing the ignition key. Raise and support the vehicle, and remove the front tire and wheel assemblies, as well as the stabilizer shaft. Loosen the outer tie rod castle nuts without using a pickle fork or wedge tool to avoid the destruction of the seal or bushing. Separate through (J 24319-B) the tie rod ends from the steering knuckles to move the intermediate shaft seal to access the Rack And Pinion pinch bolt. To remove the pinch bolt and separate the intermediate shaft from the Rack And Pinion, you need to carefully ensure that you do not lower the rear end of the frame too much due to damage to engine components. Lay down a jack stand on the rear of cradle support, unbolt the two rear cradle support bolts, and drop the rear of the cradle support for clearance. Unfasten the two Rack And Pinion heat shield bolts and remove the shield, disconnect the Rack And Pinion inlet pipe/hose and the Rack And Pinion cooler pipe/hose, and remove the o-ring seals, discarding them. Remove the Rack And Pinion mounting nuts and bolts and extract the Rack And Pinion through the left side entry wheel. For installation, insert the new Rack And Pinion through the left side wheel opening, make sure that mounting nuts and bolts are kept clean and free from rust, and have produced 2 n.m (18 lb in) of torque to the autres, before seating; otherwise, replace them. Tighten the Rack And Pinion nuts and bolts to 60 n.m (44 lb ft) with an additional 60 degrees. You have to join the Rack And Pinion inlet pipe/hose and Rack And Pinion cooler pipe/hose with new o-ring seals with the fitting tightened to 27 n.m (20 lb ft). Install back the Rack And Pinion heat shield and tighten the bolts to 14 n.m (124 lb in). Raising the rear of the cradle support with the jack stand, install the two rear cradle support bolts at 165 n.m (122 lb ft) before releasing the jack stand. Align the intermediate shaft to the Rack And Pinion, and tighten the pinch bolt to 48 n.m (35 lb ft). Install the outer tie rod ends into the steering knuckles and install outer tie rod ends castle nuts so that 2.5-4.5 Tie Rod End threads extend beyond the tie rod nut nylon, then tighten the castle nuts to 30 n.m (22 lb ft) + 120 degrees flats (2). Replace the shock absorber, the front tire and wheel assemblies, lower the vehicle, recharge and bleed the system of air and inspect and adjust the front toe as necessary.

Replace the fastener.