If you have to ask how to bleed brakes, do not do it yourself.
Disc brakes
Yes
The Chevy Colorado came out in 2004
You can't adjust disc brakes
You need a 10mm wrench.
Truck Universe - 2004 Paint Shop Chevy was released on: USA: 29 June 2013
Yes it will.
Where you get your dipstik from
Yes it will
Yes, I recommend you bleed all brakes starting at the RR then LR, then RF, and end at the LF. It may not be absolutely necessary but then again it may be. To be safe just bleed them all.
Pimp My Ride - 2004 Neil's Chevy 'Luv' Truck 1-9 was released on: USA: 2 May 2004
try haynes.com.