How do I adjust the parking brake on a 2005 Dodge Grand Caravan?

SOURCE: 2005 Grand Caravan Brake Job

Better late than never, right?
According to Haynes 30013: "Dodge Carvan, Chrysler Voyager & Town and Country, 2003 through 2006" Repair Manual:
Caliper Guide Pins or Guide Pin Bolts - 26 Ft-lbs

SOURCE: Changing Rear brake pads 2005 dodge grand caravan

There are 2 bolts on the "inside" on the caliper towards the bottom they use an allen wrench socket.

SOURCE: 2005 Dodge Grand Caravan brakes

i dont know if this makes sense, if its the big clip, you push in the cylinder and twist until the clipp comes off

SOURCE: 2005 dodge grand caravan getting code p0406

3.3 engines has the egr valve with transducer.you have to replace the whole unit. code p0406 what its trying to tell you your egr valve circuit is short to ground.it has failed .

SOURCE: how to get drums off rear brakes of 2005 dodge caravan

back off the adjusted (behind the backing plate) few taps with a hammer to loosen thing up drums should come off.