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Author Topic: 5 speed zf manual  (Read 2678 times)

mauro12

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5 speed zf manual
« on: July 25, 2018, 20:46:01 »
Hi everyone, I would like to ask you what is the procedure to change the oil in the gearbox ( I have the zf 5 speed from factory ). I never changed the oil and I wanted to know how many liters are required and if there is a filter too. Thank you.
Mauro
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Mauro Pisani
250sl 1967 5speed zf manual

Benz Dr.

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Re: 5 speed zf manual
« Reply #1 on: July 26, 2018, 03:47:30 »
No filter and it holds about a liter or maybe a bit more - buy 2 liters. I use synthetic ATF in mine.  Open the fill plug first so that you know you can get it out. I've drained units before only to find I couldn't refill it. I did, but it wasn't fun or easy.
Fill plug and drain are larger than the regular 14 mm used on a MB gear box. 
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn

1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1988 560SEC

mauro12

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Re: 5 speed zf manual
« Reply #2 on: July 26, 2018, 07:46:54 »
Only 1 liter? I thought it was more. To refill do you need a special pump or you can pour the oil directly? It will not fall down for gravity? 75w90 is ok?
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Mauro Pisani
250sl 1967 5speed zf manual

114015

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Re: 5 speed zf manual
« Reply #3 on: July 26, 2018, 10:46:37 »
Quote
75w90 is ok?

Hey Mauro!
Huh? :o
Why don't you listen to Benz Dr. ?? ???
Dan is  one of our Group's two most experienced experts we have here and by-the-way, he has got a ZF 5-speed in his car:

Quote
No filter and it holds about a liter or maybe a bit more - buy 2 liters. I use synthetic ATF in mine.

It's ATF oil, not regular gear-box/differential oil.
ATF, nothing else.

See the label  here:


Best

Achim
(04/69 w/ 4-speed)


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Achim
(Germany)

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Re: 5 speed zf manual
« Reply #4 on: July 26, 2018, 10:53:21 »
Mauro....,

Here is another one,
an old one...
... if you won't believe me.

Says also "ATF Öl" (= ATF oil)


Achim
(fourspeedpagoda)
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Achim
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Benz Dr.

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Re: 5 speed zf manual
« Reply #5 on: July 26, 2018, 14:33:17 »
I use synthetic ATF because this unit holds holds a small amount of oil and I wanted all the protection I could get. You really wouldn't want to run a ZF 5 speed low on oil or run it dry.
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn

1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1988 560SEC

mauro12

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Re: 5 speed zf manual
« Reply #6 on: July 26, 2018, 16:41:47 »
Who said that I don’t believe?? You maybe!. I was only surprised about this small amount that’s it .
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Mauro Pisani
250sl 1967 5speed zf manual

DaveB

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Re: 5 speed zf manual
« Reply #7 on: July 26, 2018, 20:40:37 »
..well you did ask whether "75W90 is ok?"...

(I think Achim is just concerned for the welfare of your rare and original transmission  ;))
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DaveB
'65 US 230sl 4-speed, DB190

mauro12

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Re: 5 speed zf manual
« Reply #8 on: July 27, 2018, 20:32:02 »
Sorry i didn’t read carefully at the beginning about the ATF oil.. since I bought the car in 2001 I never touched the gear compartment and so never changed the oil. I think now is the right time to do so.
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Mauro Pisani
250sl 1967 5speed zf manual
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