Slide in under the engine and look up at the bottom of it. that will be the oil pan that you will be looking at bolted to the very bottom of the engine.
The 2003 Chevrolet Express has rear wheel drive.
The 2003 Chevrolet Corvette has rear wheel drive.
The 2003 Chevrolet Malibu has front wheel drive.
The 2003 Chevrolet Tahoe has rear wheel drive.
The 2003 Chevrolet Impala has front wheel drive.
The 2003 Chevrolet Silverado-1500 has rear wheel drive.
The 2003 Chevrolet Express-Cargo has rear wheel drive.
The 2003 Chevrolet Silverado-2500HD has rear wheel drive.
No
5 lugs for a 2 wheel drive, 6 for a 4 wheel drive.
The 4.3 litre V6 engine in a 2003 Chevrolet Blazer has a timing CHAIN
The 2003 Chevrolet Corvette has a 8 ft. 8.5 in. (104.5 in.) wheel base.