Two problems related to radiator have been reported for the 1999 Saturn SL2. The most recently reported issues are listed below.
: the contact stated the vehicle used up a large amount of radiator fluid. There were no visible leaks on the driveway, however the reservoir had to be refilled every 3 days. The vehicle was taken to a private repair shop, where, upon inspection, there was moisture around the top of the radiator tank, and it was determined that the radiator tank had leaked from the top.
I purchased my Saturn Sl2 4-door brand new in 1999 with only 10 miles on it. It was a perfect car until it overheated one day. I called the dealership service department and they told me to use only dex-cool in my engine. So I walked and purchased some and went on my way. Since that time my engine continuously gets overheated, I have had to replace the water pump, the radiator cap and now the dealership has told me that I have a cracked radiator head with warped gaskets which will cost too much for me due to my being on disability. My car only has 94,000 miles on it and I have it serviced regularly. I feel that dex-cool or the dealership should be held responsible in fixing my vehicle to no fault of my own.