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#1
06-05-2012, 01:11 AM
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722.303 Check Balls
I am rebuilding my tranny on my 83 300SD. All the pictures that I have been able to find on the internet illustrates the locations of where all 19 balls go. My problem is that my tranny only uses 18 balls (confirmed). I don't know where the proverbial "19" ball doesn't go when the "18" ball configuration is used. My tranny model/serial number is 722.303 02 368507. Hopefully, someone has a factory manual for this car that details where the ball doesn't go.
Page 18 of the ATSG manual has a good picture of where the balls go and shows a ball 2nd closest to the bolt hole that is dead center. It says its a rubber ball that is slightly larger than the rest. Is this my "missing 19" ball? 
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#2
06-05-2012, 02:44 AM
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Welcome to the forum analagan
I've not worked on a 722.3 yet - I'm a bit behind the times having only done a 722.1 - but I do have a German FSM with lots of pictures that might show what you want. I have to access it via a computer running Windows though (which is always a pain in the arse) - I'll have a go at it later on today unless of course someone else can help before then.
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior  Don't leave that there - I'll take it to bits!
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#3
06-05-2012, 04:16 AM
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OK how about this then?
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#4
06-05-2012, 07:02 PM
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Close but still different
The casting is close but different. It look like the one that came out of my 81 380SL. I pulled it yesterday hoping to get an answer from it. The 722.303 VB at 13a. Your picture seems to suggest that there needs to be either check ball 13 or check valve 13a at that location. So, one hole down only 17 more to go.
LOL P.S. I now believe it is check ball 28. It's printed in black and white (Bei den Getrieben 722.315 und 722.303 wird die Ventilkugel (28) nicht eingebaut). Loosely translates to "With Transmission 722.315 and 722.303, the valve ball (28) is not installed." Thank you Google Translate. I hope this does it. Thanks for the solid Last edited by analagan; 06-06-2012 at 02:05 AM.
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#5
06-06-2012, 03:07 AM
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28 was the ball I meant - I forgot about the translation - sorry.
Let us know if that is the one that really isn't there!
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#6
06-06-2012, 05:15 PM
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I'll let you know. It could be a while, took the car for a test drive and can't get it to shift into 4th gear. All the other upshifts and downshifts are good. I finally took the car up to 50 mph, third gear disengaged but fourth would not engage. Engine was just free wheeling. Manually shifted into 3rd and car shifted into 3rd. Back into Drive and car functioned normally except for no fourth. Control cable is adjust correctly, modulator pressure is at 42 lbs, kickdown engages and disengages when I smash on the gas pedal. No noticeable engine breaking in reverse gear. I think I must have cut a seal when installing the K2 piston. Or maybe the Teflon ring seal might have gotten damaged during the install. Does anybody have any other suggestions. I'm going to pull the tranny tomorrow.
TIA
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#7
06-09-2012, 06:01 PM
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where'd you get the rebuild kit? are you going to photo document the job and make a DIY?
 mine goes into fourth too soon and I'm thinking eventually I'm going to tear her apart and re-do everything, first I have to learn more about it 
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-SpecialDelivery 1985 300CD Silver/Blue H&R Suspension (Sold, still cryin over that) 1982 300SD Silver/Blue '85 OM617 (Sold) 1982 300D - Blue/Blue (Sold)
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