03 S40 Transmission Service
#1
03 S40 Transmission Service
I just purchased an 03 S40 with the 5sp AT and 20,000miles. I like to overmaintain my car and want to do a drain and refill but the Volvo dealer does not recommend it saying it is a "lifetime fill" and leave it alone. They also recommend DexronIII/Mercon as a fill which is against all that I read where the called for specification is JWS-3309. The dealer does not even carry the Volvo brand. My question is, can I use any JWS-3309 specification fluid to do a drain and refill as I have Toyota cars and Toyota T-IV fluid is also a JWS-3309 fluid and I have a reasonable source for this fluid. My logic is that DexronIII/Mercon and ATF+3, and Type F come in many different brands, and so I'd think that any reputable brand of the JWS-3309 would be satisfactory. Thanks for your time. Bill
#2
#3
RE: 03 S40 Transmission Service
The owners manual for my S40 indicates that the specified AT fluid has to meet the JWS-3309 specs. I've visited an "oil and lubrication" website where the information about the different fluids meet JWS-3309 specs and they mention Toyota T-IV, Saab fluid for the 5sp AW transmission, the Mazda AT, and a couple of others. Mobil makes a JWS-3309 AT fluid that is referenced in their website, and mentions the above cars and says their fluid is compatible, but I can't find any source for this fluid locally or on the internet in my searchs so far. Thanks for your reply-Bill
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