My 2003 PT Cruiser is coming up for it's next trans. fluid change (doing a pan drop, filter change and fill every 20,000 miles). I've had the service done twice, once at 20k and again at 25k when I discovered the dealer didn't replace the pan filter. I've been sticking to the Chrysler recommended ATF+4 and the trans shifts ok at 42k miles but I do have a slight "bump" when shifting from 3-2 and 2-1 (not noticeable all the time but often enough to cause concern...trans has been doing this since the car was new). After all the good things I've read about Specialty formulations and their availability of an ATF+4 compatible fluid I'm going to give it a try. I'm just wondering if I should consider a flush with full changeout to SF fluid or just stick with dropping the pan and adding about 5 qts. to the 12 qt. system...any thoughts?
Use SF vs. ATF+4 at next change?
- Thread starter oilmaven
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Do both. Order 4 gallons of SF+4 spec stuff. Drain via the cooler lines ..drop pan ..swap filter ..clean debris ..fill ..continue to purge via the cooler line. Voila~! ...and one gallon just for stock (I think it makes sense for the 4th gallon if you look at the cost for 3
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or.....you might want to consider using Amsoil Synthetic Universal Automatic Transmission Fluid http://www.amsoil.com/storefront/atf.aspx It is ATF+4 and can also be used to flush and fill your power steering. It is supposedly top notch. I recently purchased 5 gallons for my wife's 2002 Dodge Intrepid transmission that I plan to flush soon. I will also replace the power steering fluid in her car, in my 2002 Mustang GT, and my manual transmission. Check it out. It may be exactly what you're looking for.
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