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DIY ZF 6HP19Z Transmission Drain & Refill

Old 10-27-2009, 06:10 AM
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Originally Posted by 968turboS' post='1041227' date='Oct 27 2009, 08:21 PM
There was definitely fine metal shavings on the old pan magnets. I should add those pictures to the DIY. It might be important info to help people decide.
Raj
my was cover in it, it was like a blob
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Old 10-28-2009, 07:55 PM
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Awesome DIY! Thanks Raj!
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Old 11-03-2009, 12:07 PM
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Where did you buy the trans fluid
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Old 11-03-2009, 05:25 PM
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RmEuropean. They sell the filter and the fluid.
Just to add, I did a 2nd drain and fill and got 4.5 liters out. Most fluid in the transmission at this point should be new.
Regards.
Raj
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Old 11-04-2009, 04:32 AM
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How long did you let it run for the second change? I like your 944. I had a 87 red 944s. Great car.
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Old 11-04-2009, 06:15 AM
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Originally Posted by 737flyer' post='1046746' date='Nov 4 2009, 08:32 AM
How long did you let it run for the second change? I like your 944. I had a 87 red 944s. Great car.
It's actually a 968, turbocharged that makes close to 450hp/tq .
I did the same thing, timed myself for 5 minutes and then opened the fill plug and pumped fluid in until it started to drain.
It took about the same as what I drained out so I knew it was pretty close.
Regards.
Raj
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Old 11-08-2009, 06:44 AM
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Great info. For an accurate transmission temp reading after warmup use the Inpa/Ediabas software
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Old 11-09-2009, 03:15 PM
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Originally Posted by 737flyer' post='1050001' date='Nov 8 2009, 10:44 AM
Great info. For an accurate transmission temp reading after warmup use the Inpa/Ediabas software

To get all the fluid out on other vehicles you can remove the return line to the transmsission. You then drain, clean and change the filter, put the pan back up and fill. Start the car and as the fuid cirulates instead of going back into the tranny you put it in a pan. Pump a quart or two out then refill and repeat until the fluid changes color. Reattach the return line and there you go, all the fluid is changed.

Would that work on our cars?
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Old 11-10-2009, 04:25 AM
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Did you have to replace any seals or sleeves when reattaching the trasmission line?
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Old 11-10-2009, 04:28 AM
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Originally Posted by 737flyer' post='1051569' date='Nov 10 2009, 08:25 AM
Did you have to replace any seals or sleeves when reattaching the trasmission line?
I would think and hope so. I guess the method mentioned is plausible. I haven't done it but as a rule of thumb, i always change o'rings, gaskets and seals.
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Raj
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