Re: ATF spec for '08 9-3 Aero XWD Aisin 6-speed tranny - Saabnet.com Bulletin Board
There really isn't a "drain and refill," so to speak. Removing the drain plug & stand pipe plug will drain about 3l of the 7l (IIRC) the transmission holds. The only way to get more fluid out is via the cooler lines, ideally using a transmission fluid flush machine. I've seen people improvise such equipment, but I'm not sure I'd try it personally.
Assuming you're planning on doing multiple 3l replacements to eventually get most of the old fluid out, you'll be doing about 4-5 replacements. There really isn't anything all that complicated in that work. My approach:
1. Let the car sit at least overnight to let as much fluid as possible settle out
2. Remove the T40 drain plug, recover about 1.5l fluid
3. Remove the 12mm allen stand pipe, recover about 1.5l fluid
(I use an actual large measuring cup to know exactly what I got out)
4. Replace the stand pipe, torque to 33 lb ft
5. Replace the drain plug, finger tight
6. Remove the battery (10mm socket)
7. Remove the plastic battery tray (3x T40 torx, some plastic clips)
8. Remove the T55 fill plug (it's ROUGH the first time, some Kroil etc. may help)
9. Add 3l of fluid, plus a little more - 100ml should be plenty
10. Replace the fill plug, torque to 30 lb ft (not gonna lie, I do 28 lb ft)
11. Replace battery tray & battery
12. Start the car, plug in Tech 2, monitor trans fluid temp. Needs to be 30-45C.
13. Once operating temperature is reached, cycle the gear selector between P/R/D pausing 2+ seconds in each gear, repeat twice
14. Ensure car is fully level, place drain pan under drain plug, remove T40 drain plug and ensure fluid runs out. You need to ensure it's more than a dribble, more than the stand pipe might have accumulated. Let it mostly run out, then refit the drain plug. Torque to 7 lb ft.
I've been doing this operation once a week for three weeks, and I'll do it twice more. It takes about 30 minutes, so it's not terrible. Remember that you need to reprogram anti-pinch on the windows after replacing the battery.
Costs a bloody fortune - Pentosin ATF1-LV is $50/5l from Amazon, and I will have gone through 15l of it. OUCH. On the last pass, it's probably worthwhile to replace the aluminum crush washer on the stand pipe, and the rubber o-ring on the drain plug. I'm not going to worry about the crush washer on the filler.
posted by 12.195.130...
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