front diff actuator

3bears

Senior Member
so Ive got the vacuum system, j shift, SR-5.
this year the front diff wont disengage on the fly, changed fluids a few months ago. some rare times it will disengage, most of the time I have to back up to get it to disengage. which is a hassle.
right now every time I drive I'm in snow for most of the drive, when I get to dry pavement, got to find a place to pull over and back up. not always easy on mountain roads with shoulders covered with snow and cars behind you.
It will also disengage if I have a place to do some tight "s" turns at slow speed.(parking lots, roads with no one around)
It has no problem engaging on the fly.

I do have matching tires, and are snow tires and studded , maybe that's an issue, the studs grabbing the pavement hard ?


Anyway, can the actuator be replaced without dropping the differential ?
from the FSM I have to pull the axels and drop the diff out completely, but they are only referencing it as if completely servicing the diff with seals etc.
 
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You can take the actuator off easily without removing the diff. Pictures attached, just 4 bolts and some FIPG.

Good luck!
 

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Its not the end of the world if the ADD doesn't disengage. Your front drive is still 'off' of the shifter is in the 2WD position. The only downside is that you might use a smidgen more gas until the actuator moves.

-Charlie
 
Its not the end of the world if the ADD doesn't disengage. Your front drive is still 'off' of the shifter is in the 2WD position. The only downside is that you might use a smidgen more gas until the actuator moves.

-Charlie

true but I don't like the way it handles on dryish pavement ( no snow or ice) it tends to pull and gets loud on dry pavement above 50 mph, and everyone else is trying to drive over 60. I also don't know what kind of wear and tear it does on the transfercase etc on dry pavement.
 
You can take the actuator off easily without removing the diff. Pictures attached, just 4 bolts and some FIPG.

Good luck!

thanks, I might look into a new one from arayama and just swap it out, its 18 years old might be all gummed up or something
 

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