How to Replace a 2003 Chevy 4200 Vortec Thermostat?

Answer Replacing the thermostat in a Chevy 4200 Vortec inline six-cylinder engine is important to making sure that the engine runs at the right temperature. The thermostat is a small device that bolts to ... Read More »

Top Q&A For: How to Replace a 2003 Chevy 4200 Vortec Thermostat

How to Replace a Valve Cover Gasket on a Vortec 4200?

The GM Vortec 4200 engine puts out more than 1 hp per cubic inch. Most GM engines, except for early Z28 engines, some big blocks, and the fuel-injected 327 cubic inch engines, did not put out anyth... Read More »

How to Replace the Thermostat of a 2003 Chevy Impala?

The 2003 Chevy Impala was a throwback to the horsepower hot rods of the 1960s and 1970s. Since they have higher horsepower output, people tend to drive them harder. If you're an Impala owner and yo... Read More »

How to Replace the Thermostat in a 2003 Chevy Blazer?

If you use your 2003 Chevy Blazer for towing or even off-road driving, you've surely noticed how the years have taken a toll on the body, suspension and even the motor. However, one overlooked syst... Read More »

Specifications for a Vortec 4200 Engine?

General Motors first released the 4200 Vortec for the 2002 model year. This engine earned the "Wards 10 Best Engine Award" in 2002, 2003, 2004 and 2005. The 4200 was eliminated, along with the vehi... Read More »