Depending on the exact model, you may have a few things to remove in front of it. When front is clear then remove the brake master cylinder then the booster. A lot of awkward wrench work can be made easier if you have a good socket set with universal joints.
Unless the caliper is broken, you can just replace the brake pads.
The 2002 Dodge Grand-Caravan has 39.6 in. of front head room.
The 2002 Dodge Grand-Caravan has 40.6 in. of front leg room.
The 2002 Dodge Grand-Caravan has 62.9 in. of front shoulder room.
The 2014 Dodge Grand-Caravan has 58.4 in. of front hip room.
The 2001 Dodge Grand-Caravan has 39.6 in. of front head room.
The 2001 Dodge Grand-Caravan has 57.2 in. of front hip room.
The 2002 Dodge Grand-Caravan has 57.2 in. of front hip room.
The 2012 Dodge Grand-Caravan has 58.4 in. of front hip room.
The 2013 Dodge Grand-Caravan has 58.4 in. of front hip room.
The 2014 Dodge Grand-Caravan has 63.7 in. of front shoulder room.