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Automatic 944 gearbox oil &filter change
https://forums.tipec.net/viewtopic.php?f=25&t=21316		 Page 1 of 1
Author:  welshporsche [ Wed Apr 20, 2016 7:30 pm ]
Post subject:  Automatic 944 gearbox oil &filter change
Hi all I'm getting on top of all fluids done in time last year I went to local garage to see about an oil and filter change on my auto 944 box and his reply was why if there's no problem leave it alone but I'm not sure should I listen or get it done my local Porsche dealer do a oil and filter change for £190 all in ??
Author:  blackadder30 [ Wed Apr 20, 2016 7:56 pm ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
He could have a point on the "ain't broke, don't fix" but it's worth checking the condition of the existing fluid to make the decision.... If it smells "burnt" it could do with a change... Colour is an indicator as well...

I believe moving parts tend to like fresh fluids and clean filters... I changed mine in the 968 but I thought I had an issue on mine. The colour wasn't great and the filter was probably original from '93. It seemed quieter and quicker on the changes after the swap.
Author:  welshporsche [ Wed Apr 20, 2016 8:15 pm ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
Yeah thanks blackadder
Author:  iang5 [ Wed Apr 20, 2016 9:27 pm ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
Be good to know what option you take, i.e DIY or the £190 garage option. Mine is an auto too, hence keen to know how it goes, the cost, the ease of the job and the results thereafter.
Author:  Sean Smallman [ Wed Apr 20, 2016 9:42 pm ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
Opinion seems to be split about changing the oil on auto boxes.

i had mine serviced, 6 months later spent £1.6k refurbishing the box :twisted:
Author:  iang5 [ Wed Apr 20, 2016 9:53 pm ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
Head is saying...... If it ain't broke don't fix it......
Author:  tr7v8 [ Thu Apr 21, 2016 8:09 am ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
Sean Smallman wrote:
Opinion seems to be split about changing the oil on auto boxes.

i had mine serviced, 6 months later spent £1.6k refurbishing the box :twisted:

Sean is quite right, I did the Boxster & had a readaption done & it was hugely improved.
But on the other hand there are many stories where changing the fluid with the crud & it was the crud keeping the box working.
Author:  Waylander [ Thu Apr 21, 2016 9:44 am ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
According to the service schedule

every 30,000 miles

Change Engine Oil and Filter
Check tension and condition of timing (and balance shaft) drive belts.
Check tension and condition of V-Belt (Power Steering) and Poly-Rib Belt (AC / Alternator)
Replace Spark Plugs (At least every two years)
Replace Air Filter
Automatic Transmission: Change ATF, clean ATF strainer
Author:  welshporsche [ Thu Apr 21, 2016 11:21 am ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
Thanks all it's looking like a 50/50 dec at moment lol
Author:  blackadder30 [ Thu Apr 21, 2016 12:12 pm ]
Post subject:  Re: Automatic 944 gearbox oil &filter change
iang5 wrote:
Be good to know what option you take, i.e DIY or the £190 garage option. Mine is an auto too, hence keen to know how it goes, the cost, the ease of the job and the results thereafter.

It's not a difficult job, certainly on the 968.

This is my post from 2014:
blackadder30 wrote:
ATF and filter change today...
The drain plug came undone with a nice 'click' and the old ATF was clean and clear with a ruby red tint to it so this may have been done not to long back but as the car had virtually no paperwork with it... good idea to change everything anyway.... however some heathen PO used a Philips headed bolt for the ATF sump... other 3 are 10mm nuts
Image

ATF and filter change done and refilled to correct 80 degC level.... could I get the quick fill fitting undone? Not a chance :( it was stuck solid..... and my hand driven fuel pump couldnt deal with the viscosity of the ATF and simply gave up the ghost.... :( :(

Filled using length of PVC hose into the top of the plastic reservoir at the rear of the sump... dead easy :D

Now runs like a dream, nice and quiet smooth changes moving up to 3rd at 29mph and to 4th at 40mph, back down to 3rd at 31mph and down to 2nd at 20mph.... :)

Still got my rattle at start up though grrrrrr :(

Final note - this is a first ever for me changing gearbox oil and filter so feeling pretty chuffed tonight :)


Loosen things off first before fully undoing everything - especially the filler plug!! Have a catch tray for when you take the sump off as some oil remains in the sump. The filter is then between the sump and the solenoids in the bottom of the 'box.

Workshop Manual here for pre 87 cars:http://www.9ss1.dk/porsche944/garage/vol2/vol2.html

Auto details start at page 37-01
Details on testing fluid levels are at 37-13
Changing the ATF and filter are at 38-01

Good luck!
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