Torque specifications for wheel bearing lock

FISHMONGOOSE

MEMBER
1987 FORD F-150

Six cylinder four wheel drive manual 100,000 miles.

I have never seen a wheel lock nut like this it seems to be a cam type locking nut. What would the torque specifications be? It is a three piece unit made to be tightened by special socket tool.

3 Replies

BMRFIXIT

MECHANIC
19,053 POSTS

Is it the wheel bearing you are looking for or the log nuts?
wheel bearing 4x4 require special tools 2 wheel do not.
Good luck.

Let me know.

Need manual?
https://www.2carpros.com/kpages/auto_repair_manuals.htm

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Saturday, June 6th, 2009 AT 6:02 AM

FISHMONGOOSE

MEMBER
2 POSTS

I have looked at manuals but none show this one piece mechanical type lock nut. Hoping someone could tell me what the torque specifications is for this type.

The nut is in a housing with a inner piece that has gear type teeth. The outer piece also has gear type teeth and is threaded to fit on the spendle housing.

Need torque spec.

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Saturday, June 6th, 2009 AT 7:17 AM

BMRFIXIT

MECHANIC
19,053 POSTS

Using Spanner Locknut Wrench (T86T-1197-A), apply inward pressure to unlock adjusting nut locking splines and turn nut clockwise to tighten to 50-60 ft. lbs. (68-81 N.m) while rotating the wheel back and forth to seat bearing.
NOTE:When specified torque is reached, adjusting nut will no longer tighten. The threaded nut portion will ratchet in the assembly upon approaching specified torque. Continue tightening until the specified torque is obtained.

Apply inward pressure and back off adjusting nut approximately 90 degrees. Retighten adjusting nut to 15 ft. lbs. (20 N.m). Final end play of hub on spindle should be .000-.006" (.00-.15 mm). Install hub lock and wheel assembly.

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Saturday, June 6th, 2009 AT 1:14 PM