250,000 is about average.
They could be, but you are near the average lifespan.
7 quarts
6 quarts 5w30
.040 inch
2012 Ram 1500 wheels will fit on a 2003 .
Timing chains normally last the life of the engine and are replaced when the engine is rebuilt.
NoNo
There are sensors all over the engine, transmission, exhaust, axles, etc.
About 6 quarts/5.5 liters.
It depends on the year. from 2003 to about 2005 they used 5w30. After that they used 5w20.
The 2003 GMC Sierra-1500 has a V6 engine.
The 2003 Chevrolet Silverado-1500 has a V6 engine.