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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Anti-Lock Brake System - 4-Wheel) >> Removal & Installation >> Front Wheel Speed Sensor >> Removal & Installation (AWD Astro, Bravada & Safari; 4WD "S" & "T" Series)

Removal & Installation (AWD Astro, Bravada & Safari; 4WD "S" & "T" Series)

WARNING: This page does not describe the selected car, but rather 58 other vehicles, including the 1992 Oldsmobile Bravada, 1992 GMC Yukon, 1992 GMC Suburban, 1992 GMC Sonoma, and 1992 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.

1) Remove wheel and tire assembly. Remove brake caliper and wire aside. Remove drive axle nut. Disconnect speed sensor electrical connector. Remove speed sensor wire from clip on upper control arm. Remove bolts retaining hub and bearing assembly. Remove splash shield bolts. Using a puller, remove hub and bearing assembly.

2) Remove hub and bearing assembly, splash shield and speed sensor assembly. Remove speed sensor from hub and bearing assembly. Remove speed sensor wire harness from splash shield. To install, reverse removal procedure. Ensure drive axle nut is properly torqued.

3) DO NOT move drive axle nut more than 1/6 of a turn to align for cotter pin. If speed sensor is being replaced, drill out rivet in splash shield and replace rivet with a small bolt, nut and washer. Speed sensor air gap is non-adjustable. See TORQUE SPECIFICATIONS  table.