Yours truly has a neutral opinion regarding engine flushes: I believe engine flushes are only necessary when the engine has sludge buildup. Sludge is a dark and thick substance from contaminated oil, ...

Q. I recently brought my car into a franchise shop for an oil change. I pulled in when I saw that they changed oil for $24.95, which is a little cheaper than most places. After about five minutes, a ...

Dear Car Fix: I have a 2004 Kia Spectra, a four-cylinder with 54,000 miles, and a 2009 Kia Rondo, six-cylinder with 4,500 miles. So obviously they are not driven much. Recently I went to the local car ...

I have a question about engine flushing. The other day, I went to my usual mechanic for my 3,000-mile oil change and tire rotation, and he tried to sell me on a "Bilstein Engine Flush." He showed me a ...

Dear Tom and Ray: I have a question about engine flushing. The other day, I went to my usual mechanic for my 3,000-mile oil change and tire rotation, and he tried to sell me on a "Bilstein Engine ...

Q My daughter has a 2004 Monte Carlo SS with the 3.8-liter motor. It uses about two quarts of oil between 3,500-mile changes. At the last oil change, the shop wanted to flush the motor, saying it ...

Lubricating oil is the lifeblood of virtually all rotating equipment found in a power plant. Keep it clean and the lube system is relatively low maintenance. However, cycling operation and restarts ...