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drummertom
03-02-2004, 10:45 PM
Hi everyone. I am a newby here. I actually got my first bimmer Sunday. It's an 85 735i.(Of course, or why would I be posting here LOL). It has been sitting out of use for a couple of years and I want to do all of the routine maintenance stuff. My question is what fluid do I use for the power steering and auto transmission. I have the owners manual but to me it is kinda confusing as far as the fluids. Thanx in advance for any help!
Tom

kff
03-03-2004, 12:25 AM
<img src="http://745i.no-ip.org/discussion/avatars/mechanic.gif" HEIGHT=64 WIDTH=64>

Keith F.
1985 Hartge H7s 5-speed
1985 535i 5-speed
1986 325e 5-speed
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J Stein, 85 745 & 85 ///M635CSi
03-03-2004, 07:33 AM
Regards

John Stein

<img src="http://members.roadfly.org/john_stein/mugs1.jpg" height=61 width=97>

J Stein, 85 745 & 85 ///M635CSi
03-03-2004, 07:48 AM
when filling PS resv... with the engine OFF, pump the brakes 20 times ... you will feel them become very hard to push as the accumulator is discharged. Then remove the PS resv cap and fill the PS resv to about the middle of the litte basket.


On the tranny... if the car has more than 100k miles.. be very careful... the fluid is old, lost it's detergent qualities, and IMHO must be changed out slowly to avoid dislodging chunks of crud which will block the valving ports. Changing the fluid slowly allows the detergent qualities to build and remove the deposits slowly...

Again, I strongly suggest a very slow change out of tranny fluid... So.... remove one quart and replace it w/ a quart of fresh Dextron . Do this evey month for 6 months, then remove all fluid (via the drain plug) and replace it. Then, if you are brave, remove the tranny pan, clean it and replace the filter. Of course, use a new pan gasket on re-instalation. You will need some different tools.. particularly on the filter.... they are easily obtained, but now you are forwarned. I believe it is a 5mm hex key (allen wrench) to remove the pan drain plug and small star type (#5 I think) to remove the filter. Bottom line, buy a GOOD set of allen and star drivers from Sears/NAPPA Protools/Snap-on or H Depot (same mfg as Sears) and have fun .. jsRegards

John Stein

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charlesmorris
03-03-2004, 05:14 PM
I have seen here to use a quart of synthetic trans fluid to replace the drained Dexron each month. I'm going to try this on my hard-shifting 4HP22EH before taking it out or apart... Any thoughts on synth vs. dinosaur oil?

J Stein, 85 745 & 85 ///M635CSi
03-05-2004, 08:13 AM
9 years ago, and would use no other today... jsRegards

John Stein

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