84-87 Fiero Front Wheel Bearing

Warning: Tapered roller bearings are used on all series vehicles and they have a slightly loose feel when properly adjusted. A design feature of front wheel tapered roller bearings is that they must never be preloaded. Damage can result from preloading.

Source: 87 Service Manual, Section 3C, Front Suspension (GM said Notice. Ogre made it a Warning.)

To Install/Adjust

Use Wheel Bearing Grease rated as Disk Brake is ok. Many types of grease, included some wheel bearing grease, won't take heat that disk brakes can generate.

There are two holes in the spindle for the cotter pin. Back-off the nut to first hole that the nut uncovers.

Step	Do
1	Tighten Spindle Nut to 12 Ft-Lbs
2	Back-Off & Retorque to Hand Tight
3	Lock or Back-Off & Lock; 1/2 Flat of nut at maximum

Source: Wagner (Ogre made it for easy reading.)

See also Service manual, section 3C, Front Suspension.

Dust Cap

Install the Dust Caps without wrecking the cap; use a piece of 1.5 inch Schedule 40 PCV pipe and bump the pipe with side of hammer.