<prompt> Human: So I went to Jiffy Lube the other day to get an oil change and the told me I needed a radiator fluid flush. I got my car used at 100,000 miles and they told me it was overdue at 60,000 and again at 120,000, which Im over. So I did it but then I talked today with my moms friend who owns a garage who advised me theres no reason to get this done unless Im replacing the water pump, and it had to have already been done by the dealer where I got my car. It was only 70 but watch out because they will try to get your moneyAssistant: If you bought the car from a reputable dealer, they may very well have changed the coolant. It should be changed every 60k, though.Human: Yeah but it was almost definitely changed by the dealership at 100k when it was brought in and I bought it  <response>: How would Jiffy Lube know that? 