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Noise from front lockers

614 views 0 replies 1 participant last post by  Skorchrock 
#1 ·
My 08 has an esof system but when I manually lock the hubs or just shift on the fly I start to get this squeaking sound. In 4wheel high around 40+ mph it's a combination of light grinding/humming sound and squealing. After unlocking them and being in 2wd, it will keep squealing for a short time. When the hubs are in auto and 4wheel high is on, there is only a light squealing noise. Dose this just sound like the hubs need to be cleaned and re greased? Or is it more?
 
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