Pre CAN control engines tend to need more diagnosis while CAN control engines do more self diagnosis. The information here is only a general guide as there is variation between engines. It is a good idea to log your engine when it is healthy so that you have something to use for comparison when your car is not healthy. If you used my method of top filling through the G38 it’s likely you triggered a MAF code, so clear it and reassemble the top and your done.This guide applies to most VAG pd tdi engines. ***Don’t do this.* Watch for the first “glug” then plug it. #8 is where I think folks go wrong.* They leave the check plug out till fluid stops running out and this makes the trans slightly low.* What you need to understand is that there are fluid pressure exhausts on the valve body and spinning components in the main body of the trans.* Both of these will throw fluid into the pan making waves and splashes.* So the fluid will continue to drip out even when fluid is low, below the stand pipe.* The waves and splashes make fluid keep coming out.
**Allow fluid to drain out till it is not a steady stream anymore.* Meaning when if starts “glugging” instead of running out in a steady stream, then reinstall the plug and tighten it.* *Complete fill will empty trans and empty converter is 5.3 liters according to the “book”.** A used trans will never be empty though.* *Iġ.***** Car must be cold, and level.* I do this on the ground.*Ģ.***** After pan drop install filter and stand pipe.* Then put check/drain plug in a few turns by hand.*Ĥ.***** Install scan tool, turn key on and get scan tool communicating with trans computer.*ħ.***** If trans was just replaced then put in another 3 liters.* If you just serviced it then pull check plug and immediately reinstall it.* If fluid doesn’t come out add another 1/2 liter.* The pump will be filling the converter with fluid from the pan and you don’t want the pan to run dry.* I use a small shallow pan to keep fluid from running on the floor.*Ĩ.***** When data shows 35 degrees Celsius then pull check plug. **Quite a bit of the converter fluid will drain out when the valve body is pulled. With filter change you’ll need 3 liters but its best to have 4 on hand just in case.* With valve body change you’ll probably need 4 liters but its best to have 5 on hand just in case. It’s slightly different than you might find elsewhere.* OEM procedure isn’t wrong but it’s confusing and lots of folks end up slightly low.* The temp will be in Celsius.įrom coolairvw 's website, you really should check it out-he even has helpful pictures for idiots like me Transmission section start at 000 hit the up arrow I think it is group 3 or 4 I don't remember right off.
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