I 1 i 4 Fig 3 1 Front Susp MAINTENANCE A LUBRICATION Periodic maintenance of the front suspension includes lubrication of the four spherical joints every 1000 miles and lubrication and adjustment of the front wheel bearings every 10 000 miles See Section 2 Lubrication and General Maintenance ADJUSTMENT OF FRONT WHEEL BEARINGS The proper adjustment of the front wheel bearings is one of the important service operations that has a definite bearing on safety A vehicle with improperly adjusted front wheel bearings lacks steering stability has a tendency to wander or shimmy and causes excessive tire wear In an effort to provide for more accurate adjustments the spindles are drilled both vertically and horizontally and the adjusting nuts are slotted on all six sides NOTE Do not repack or readjust front wheel bearings as part of New Car Conditioning This will seriously affect the proper mating in of these close tolerance bearings i v v hx i f F fl i I I 1 Tti i I II Iril Iq I E j ension Cross Section ND ADJUSTMENTS 1 Raise and secure front of vehicle Remove hub cap and dust cap Remove cotter pin from end of spindle 2 Tighten adjusting nut to 80 in lbs while rotating wheel 3 Back off adjusting nut 1 flat 1 6 turn of nut 4 Insert cotter pin if slot in nut and hole in end of spindle align If not back off nut an additional 1 2 flat 1 12 turn of nut or less and insert cotter pin 5 Spin the wheel to make certain that it rolls freely Properly lock the cotter pin by spreading the end and bending it around NOTE These tapered roller wheel bearings should have zero preload and from 000 to 004 end play when properly adjusted 6 Install dust and hub caps 7 Repeat operation if necessary on opposite side 8 Lower vehicle to floor