2005 Chevy Colorado Hub Assembly

01-01-2010, 01:43 PM
I was replacing the front disk brakes on my 2005 Chevy Colorado and noticed a bit too much play in the hub and rotor assembly on the right side. I have removed all bolts inside and outside including the caliper and caliper support. Now all that is left is a 1/4 inch plastic tube coming out of a round housing at the center rear of hub. How can I remove this without damaging it and what is it for. Any advice will be so helpful.
Thanks in Advance,

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