The answer is yes and no. If you are like me and prefer to change the oil every 3K miles, you don't need synthetics. If you prefer to change every 7K to 10K miles, then you must use synthetic. Mobil1 now has an extended service synthetic that is good for 15K miles. One recent test showed that synthetic was still good at 18K miles, but because ...

I have a 1998 Isuzu Rodeo that began to overheat about a year ago. I flushed the system and the problem went away. It is possible your thermostat is sticking, but a good flush should resolve the gunk that is making it stick. It is the cheapest fix to try first. I also found that by using Redline WaterWetter in the new antifreeze, the truck runs ...

I am guessing you have 18 year old brake fluid in that car. If so, the cheapest fix to try before you spend big bucks is to flush your brake fluid. Get your friend or wife to pump the brake pedal while you drain each wheel point of the brakes till it runs clean. It's a simple operation. Get about 2 quarts of brake fluid and open the reservoir. ...