Wheel Stud Replacement and Wheel Fastener Control
- Replace wheel studs through the removed hub and verify full seating.
- Restore hub retention without leaving the bearing seating torque applied.
- Select matching wheel fasteners and apply the correct staged torque and rechecks.
- Shop jack and properly rated jack stands — Lift and support the RV at manufacturer-approved frame locations, not the axle or suspension.
- Socket set and breaker bar — Remove wheel fasteners and operate the lug nuts used to draw replacement studs into their seats.
- Hammer — Drive old studs out of the removed hub.
- Torque wrench — Apply the hub seating torque and the wheel-fastener stages; select a wrench suitable for the applicable torque range.
- Pliers — Remove the discarded cotter pin and bend the replacement pin after installation.
- Rubber mallet — Seat the dust cap after hub retention is complete.
Lift and support the RV according to manufacturer requirements, using the frame and properly rated jack stands rather than the axle or suspension. Remove the wheel and dust cap, discard the cotter pin, then remove the spindle nut and washer. Retain the outer bearing cone while withdrawing the hub; the brakes may need to be backed off to free the drum.
With the hub removed, drive the old wheel studs out using a hammer. Insert the replacement studs through the back of the hub. Install lug nuts and tighten them until the studs are fully seated, then remove the lug nuts. The stud-seating procedure does not provide a separate numerical seating torque.
Before reinstalling the hub, wipe grease from the spindle to prevent brake contamination. Install the hub, washer and spindle nut, rotating the hub while tightening the nut to 50 ft-lb. Loosen the nut, finger-tighten it until snug and install a new cotter pin. Back the nut off slightly if needed for pin alignment; bend the pin and seat the dust cap with a rubber mallet.
Wheel fasteners must match the wheel’s cone angle, commonly 60° or 90°. Start all wheel nuts by hand to prevent cross-threading, then follow the manual’s sequential pattern through the tightening stages. Use a torque wrench for wheel-nut torque rather than another tightening method.
Select the chart row for the actual wheel and stud combination. For a 16-inch wheel with 1/2-inch studs, the stages are 20–25, 50–60 and 90–120 ft-lb. A 16-inch wheel with 9/16-inch studs uses 20–25, 60–70 and 120–140 ft-lb. The 17.5-inch dual flange-nut wheel with M22 studs uses 50–100, 250–300 and 450–500 ft-lb. Torque before first road use and after wheel removal, and recheck after 10, 25 and 50 miles.
How It Works
Stud seating is separate from wheel torque
With the hub removed, drive the old studs out, insert replacements through the back and use lug nuts to draw them fully into their seats before removing those nuts. A stud that is not fully seated can move under service load and reduce wheel clamping force; the lesson provides no separate numerical stud-seating torque.
Bearing seating and final retention
Retain the outer bearing cone while withdrawing the hub, backing off the brakes if necessary to free the drum, and wipe grease from the spindle before reassembly to prevent brake contamination. Install the hub, washer and spindle nut, rotate the hub while tightening to 50 ft-lb, then loosen the nut and finger-tighten until snug: the seating torque is not the final running adjustment. Install a new cotter pin, backing the nut off slightly if alignment requires it, then bend the pin and seat the dust cap.
Wheel clamping depends on the complete configuration
For cone-seat wheels, fasteners must match the wheel’s cone angle, commonly 60° or 90°; select the torque row by the actual wheel, stud and nut configuration rather than wheel diameter alone. Hand-start all nuts, then use a torque wrench through the specified stages and the manual’s sequential pattern to develop even clamping without cross-threading. Torque before first road use and after wheel removal, and recheck after 10, 25 and 50 miles because joint settling can reduce clamping force.
Step-by-Step Procedure
0/8 doneSelected Wheel Torque Rows from ccd-0011134
| 16-inch wheel, 1/2-inch studs | 20–25 / 50–60 / 90–120 ft-lb, stages 1 / 2 / 3 |
| 16-inch wheel, 9/16-inch studs | 20–25 / 60–70 / 120–140 ft-lb, stages 1 / 2 / 3 |
| 17.5-inch dual flange nut, M22 studs | 50–100 / 250–300 / 450–500 ft-lb, stages 1 / 2 / 3 |
| Wheel-nut recheck distances | 10, 25 and 50 miles |
Diagnostic Chart
| Symptom | Check | Spec / Expected | Likely cause & fix |
|---|---|---|---|
| A replacement stud is not fully seated against the hub. | With the hub removed, inspect the stud seating and confirm that the replacement entered through the back of the hub. | Use lug nuts to draw replacement studs fully into their seats, then remove the nuts; no separate numerical seating torque is provided. | The stud-drawing operation was stopped before full seating. Basis: ccd-0011134 |
| The spindle nut remains at the seating torque, or the cotter pin will not align. | Verify that the nut was loosened after seating and then finger-tightened until snug; confirm that a new cotter pin is being installed. | Rotate the hub while tightening to 50 ft-lb, loosen the nut, then finger-tighten until snug. Back off slightly if needed for pin alignment. | The seating torque was mistaken for the final adjustment, or pin alignment was attempted by further tightening. Basis: ccd-0011134 |
| Wheel torque selection is uncertain or the recorded stages do not match the installed hardware. | Identify the actual wheel, stud size and nut configuration, then compare the complete combination with the chart. | 16-inch wheel, 1/2-inch studs: 20–25 / 50–60 / 90–120 ft-lb, stages 1 / 2 / 3. 16-inch wheel, 9/16-inch studs: 20–25 / 60–70 / 120–140 ft-lb, stages 1 / 2 / 3. 17.5-inch dual flange nut, M22 studs: 50–100 / 250–300 / 450–500 ft-lb, stages 1 / 2 / 3. | The chart row was selected from wheel diameter alone, or a cone-seat configuration was confused with the dual flange-nut configuration. Basis: ccd-0011134 |
| A wheel nut binds when started by hand or does not seat evenly. | Stop tightening and inspect the nut and stud threads, seating surfaces and fastener compatibility before proceeding. | The nut should hand-start without binding and its seating form must match the wheel. | Possible cross-threading, damaged threads, debris or an incompatible seating form. Basis: General shop practice |
At the Bay: Diagnose the Case
CASE 1 / 4
A replacement stud is not fully seated against the hub.
- Test
- Compare
- Correct
Select the next check
Basis: ccd-0011134. A likely cause is a hypothesis; confirm it with the applicable service procedure before repair.
Common Bay Mistakes
- ✕ Supporting the RV by the axle or suspension instead of the approved frame locations.
- ✕ Using wheel-nut torque as an invented stud-seating torque.
- ✕ Leaving the spindle nut at 50 ft-lb or reusing the discarded cotter pin.
- ✕ Substituting impact tightening for torque-wrench control or skipping mileage rechecks.
Quick Check
Practice only — not scored.
Plan the Service Sequence
Planning practice only. Follow the applicable manufacturer's instructions, employer safety program and qualified supervision on real equipment.
Plan the first action. Compare the service steps with the bay mistakes.
Hands-on: Shop Test Equipment
Dial Indicator — Bearing End Play
Magnetic-base dial indicator (0.001 in) on the hub face, spindle nut adjustment
🛠 Equip your bay for this test →Symptom: Bearing service — set end play after repack.
Spec limits used
- 0.001–0.010 in — Allowable end play, double-nut wheel end (Dexter 9-15K service manual, p.64)
- 0.008 in — Nev-R-Lube 50 mm max axial end play (Dexter 059-831-00)
- illustrative only — Face runout limit (General shop practice)
Simulated readings for practice. Always follow the manufacturer's procedure and values on a real trailer.
Source: ccd-0011134 — 4-9