rad drain had been opened. The block drain plug hadn't been touched

I couldn't see evidence of any hoses being removed. Could somebody> > tell me what technique a typical large GM dealership would have

"mike" <macosham@excite.co­m> wrote in message>> news:1109855448.280­026.51940@f14g2000cw­b.googlegroups.com..­.>> >I have always done coolant changes on my cars but with my 2000 Pontiac>> > Sunfire with 2.4L engine I decided to have a GM dealer do it. I>> > suggested they flush it as well. It took about an hour. When I got home>> > I decided to look at how they did it. I could only find evidence that>> > they removed the pressur cap on the pressurized coolant bottle and the>> > rad drain had been opened. The block drain plug hadn't been touched and>> > I couldn't see evidence of any hoses being removed. Could somebody>> > tell me what technique a typical large GM dealership would have used on>> > my car to do this job?>> > Thanks,>> > Mike>> >

Why did you change your mind and let the dealership do the coolant >> change?>> What made it different this time? Is there something radically different>> about the 2.4L that makes it difficult or needs special knowledge? It>> sounds like you know what you're doing, next time you should go ahead and>> just do it yourself. It takes the guesswork out of whether someone did >> the>> job right or not. (for the most part.. haha). If the hoses haven't >> been>> touched, I can only guess that htey drained the rad, filled it with >> water,>> warmed up the car until the thermostat opened, drained it again, >> possibily>> repeated and then filled with 50/50. Or it's possible that this >> dealership>