Depending on your trim level.... 1in center and 2-3.5s in dash w/infinity factory... Standard 6x9 in front doors, and 5.25 in rear door.. We install alot of infinity 6x9s and infinity 6.5 in these.. You can fit 6.5s in the rear if you drill new screw holes.
No
Front 6x9 Rear 5 1/4
The thermostat on a 2002 Dodge Quad Cab is located just below the pulleys on the fan belt. It is on the passenger side front of the motor, in the end of the largest hose that comes off the radiator.
NoNo
I put 6x9's in mine....
6.75
Its in the gas tank.
Yes, all interior parts are interchangeable from 2002-2008 model years. (With the exception of 2002 heavy duty models).
Should be 6x9's in the front and 5 1/4" in the rear doors. Some might have 6 1/2" in the front, not sure. My 2001 came with the infinity system and it has 6x9's in the front.
If it's coming from the engine, it's a belt problem. One of your accessories might be out of alignment, or your belt could be going bad.
Under the front passenger seat.Under the front passenger seat.
It is part of the fuel pump module, in the fuel tank.