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1999 F250 SD 6.8 - Front hub vacuum actuators??

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Old Today | 03:50 PM
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From: Des Moines
1999 F250 SD 6.8 - Front hub vacuum actuators??

I tried searching but didn’t have any luck.

VIN: 1FTNF21S8XED46116

The driver side wheel hub isn’t holding vacuum and I’m trying to get parts figured out before I take it apart.

I can’t seem to find the vacuum actuator at all - I can find the knuckle seal and locking hub, but no luck finding the actuator. Is it integrated into the bearing assembly?

Thank you
 
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Old Today | 04:15 PM
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The actuator is mounted to the right fender, forward of the starter solenoid.
 
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Old Today | 04:23 PM
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From: Des Moines
Originally Posted by Pikachu
The actuator is mounted to the right fender, forward of the starter solenoid.
I’m not talking about the solenoid that switches vacuum on/off for the front hubs.

I’m asking about the actuator in the wheel knuckle - on the F150’s it’s referred to as the “Integrated Wheel End” actuator, but I’m not finding anything with similar verbage for the F250.
 
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Old Today | 04:55 PM
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There is no such thing in the super duty . Only seals.
 
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Old Today | 05:07 PM
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Originally Posted by ashleyroachclip
There is no such thing in the super duty . Only seals.
Ok thank you.
 
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Old Today | 05:30 PM
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Ok, yeah, That's part of the locking hub itself. There's a diaphragm that actuates it when vacuum is applied.
 
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