2007 Kia Spectra Q&A

2007 Kia Spectra Question: Flush or fluid add?

0ver 98,000 miles. Trans fluid is brown, needs to be changed. Dealer recommended a flush. Everybody has a different opinion. So flush or just add fresh transm. fluid? The vehicle slows down at acceleration and when gains steady speed, runs just fine. -
Answer 1
would flush first then change filter and gasket and refill -
Comment 1
You think it will be fine considering the high mileage? The flush was done around 70,000 miles. By the previous owner. -
Answer 2
Unless dealer will guarantee the trans will be fine after 'flushing' , I would recommend a simple drain and fill , with a filter change , if that applies to that vehicle. Would also recommend ONLY using KIA ATF. -
Comment 1
Dealer does not guarantee anything. They said one never can know when transmission can go down. I know that the flush has been done on this 2007 vehicle around 70,000 miles. They recommend doing it again. -
Comment 2
kia does not recommend flushing transmission becausing of introducing chemicals into the trans drain and rellil -