3.7L and 4.7L it is under the housing where the lower radiator hose hooks on the engine. 5.7L it is under the upper hose attachment.
There are a few reasons why there may not be any heat in a 2003 Dodge Ram 1500. Some of the reasons are a bad heater coil, blown fuses, or even a stuck thermostat.
Under the housing where the upper radiator hose comes out of the engine.
No grease zerks on a 2003 Ram 1500.
2012 Ram 1500 wheels will fit on a 2003 .
No
NoNo
Yes, a 2003 Ram has a purge valve.
On 2002 it is located on the lower lefthand portion of the block, to the left of the crankshaft pulley if you are looking front on at the engine
first, remove the old thermostat, then...........................install the new one
195 deg F
no
Normally you Install with the spring down.