How to Drain the Coolant Out of a 2003 Kia Optima?

Answer You should change the engine coolant in your 2003 Kia Optima every two years or 30,000 miles for optimal performance. The Optima uses an ethylene-glycol antifreeze in the radiator system. Drain the... Read More »

Top Q&A For: How to Drain the Coolant Out of a 2003 Kia Optima

How to Replace a Transmission Filter on a 2003 Kia Optima?

The transmission filter on the 2003 Kia Optima needs to be replaced every 30,000 to 40,000 miles or every two years, whichever comes first. If the car is driven frequently in stop-and-go traffic, t... Read More »

How to Drain the Coolant in a '99 Jeep?

Due to the age of a 1999 Jeep, using the traditional method of draining the radiator is not recommended. The petcocks on radiators are usually made of soft metal that corrodes or rusts easily. Over... Read More »

How to Drain the Coolant in a 2002 BMW 325i E46?

With the BMW E46, as with other cars, regular coolant flushes and replacement are an important part of vehicle maintenance. Over time, carbon dioxide and sulfur in the air will mix with the water i... Read More »

How to Drain Coolant From a Cadillac CTS?

The Cadillac CTS is a popular sports sedan that combines luxury features with high-end performance. The cooling system is a little different from most other cars, in that it has a coolant reservoir... Read More »