4 wheel will go into 4 wheel but wont engage the.

RANDYL47

MEMBER
1993 CHEVROLET TRUCK
84,000 MILES

4 wheel will go into 4 wheel but wont engage the tires, changed actuator and it still wont work, recently had issues with front end after new tires and front end alignment, the pittman arm was changed, could this be reason why the truck wont go into 4 wheel? You can hear the drive shaft engaging but the tires wont lock into 4 wheel, it is a manual 4 wheel, no locking hubs.

4 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

I would inspect the hubs first

pitman has nothing to do with the issue

Roy

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Thursday, December 27th, 2012 AT 1:13 PM

RANDYL47

MEMBER
3 POSTS

Hubby says the truck doesnt have hubs, the 4 wheel will go in but axels are not locking in when engaged, how do you test to see if the actuator is getting power?

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Thursday, December 27th, 2012 AT 1:29 PM

ASEMASTER6371

MECHANIC
52,797 POSTS

With a test light

when the axles turn, are they engaging the wheels.

It does have hubs but they are automatic

Roy.

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Thursday, December 27th, 2012 AT 2:24 PM

RANDYL47

MEMBER
3 POSTS

Roy, he said when the axles turn, they are engaging the wheels, someone suggested checking the transfer case switch, he had changed the actuator but not the switch, seems to be a easy fix it thats it, hoping it is, this old plow truck has been nickel and diming us to death.

Thanks for your help thus far.

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Thursday, December 27th, 2012 AT 4:37 PM