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Home >> Chevrolet >> 1987 >> Forward Control 5.7 M, Automatic, 475/M40 >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Suspension - Front) >> Adjustments & Checking >> Wheel Bearing Adjustment

Wheel Bearing Adjustment

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1987 GMC Safari, 1987 GMC S15 Pickup, 1987 GMC S15 Jimmy, 1987 GMC Cab & Chassis, and 1987 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Never preload tapered roller bearings or damage to roller ends will result. Bearings are designed to have a slightly loose feel when properly adjusted.
  1. Raise and support vehicle. Remove wheel cover. Spin wheel by hand to check bearings for excessive tightness, looseness, noise or roughness. Grip wheel assembly at top and bottom and check hub play. If movement is not .0010-.0050" (.025-.127 mm), adjust bearings.
  2. Tighten spindle bearing nut to 12 ft. lbs. (16 N.m) while turning wheel forward by hand. Back off nut until it is just loose. Finger tighten nut until snug. Loosen slightly (no more than 1/2 a flat) until new cotter pin can be inserted. Recheck hub play.
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