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  #1  
Old 06-11-2010, 01:07 PM
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I use heavy plastic/rubber, and other materials between my work bench and these parts, to protect from impact damage of precision machined surfaces..

Everything must be kept clean, and the pump gears/sump thoroughly lubricated (drowned in ATF) before re-assembly.

You should plan to use up several quarts of ATF, cleaning, lubricating, and random minor spills.



#1. Remove the torque converter.
#2. Remove the 13 MM pump face bolts.
#3. There are two threaded blind holes in the face plate, screw two of the 13 MM pump face bolts in the holes and use them as handles to pull the pump assembly out.

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#4. Remove the Teflon rings from the shaft to prevent damage.

#5. This may require a helper to push down on the spring plate, exposing the snap ring you must remove.

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#6. This is the snap ring you must remove.

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#7. These two pictures show the snap ring seating groove.

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#8. You must remove (piston LB3) the large aluminum piston/basket.

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#9. You must remove the 13 MM inner pump face bolts.
#10. I use three of them in a triangle pattern (screwed in three turns), to carefully drive out the outer pump face.
#11. Put the end of a hammer handle on the bolt head and thump the top (hard) with your hand, go to the next bolt repeating as needed until it comes loose.
#12. Remove the three bolts, while holding the pump/face plate.
#13. Lower the pump/face plate, and lift off the body.
#14. Take special note of the hole pointed out in this picture.

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#15. This picture shows the (piston LB3) Alignment Pin that MUST go into the hole during re-assembly.

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#16. This picture shows From Left to Right:
*(LEFT) The pump/face plate with gears and spacer/surface plate. Do NOT remove the gears.
*(CENTER) The (piston LB3) large aluminum piston/basket.
*(RIGHT) The pump main channel body.
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#17. The springs should be removed during service, because they WILL fall out and get lost..

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#18. This picture shows the pump/face plate with gears and spacer/surface plate.
* Do NOT remove the gears.

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#19. Replace the O-ring on outer edge of the pump/face plate.
* Do NOT remove the gears.

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#20. Replace both angle seals (center and outer edge) (piston LB3) the large aluminum piston/basket.
#21. WARNING: Both angle seals must have the lip toward the front of the transmission..

To re-seat the pump seal rings, I made two special tools:
#A1. was for the small inner rubber pump cover seal, I used 4 mil plastic wrapped around the shaft, and ten inches tall for a good grip.
here is another possible option PeachPartsWiki: Replacing Front Crankshaft Seal with "Special Tool"
#A2. Was for the large inner rubber pump cover seal, I used 4 mil plastic around 1/3 of the perimeter.

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#22. STOP; this is NOT ready for assembly.
#23. Everything must be thoroughly lubricated (drowned in ATF) at every step, before re-assembly.




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Last edited by whunter; 06-15-2012 at 11:47 AM.
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  #2  
Old 06-15-2012, 12:48 PM
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FYI

If you pause for more than a few minutes.

Cover everything with plastic.

These parts draw dust particles like a magnet.


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Last edited by whunter; 10-16-2012 at 04:09 PM.
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  #3  
Old 06-15-2012, 01:27 PM
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Why mustn't you take the gears apart? (Step 16 and 18)
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  #4  
Old 06-18-2012, 02:45 PM
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Answer

Quote:
Originally Posted by Army View Post
Why mustn't you take the gears apart? (Step 16 and 18)
IMO it is not wise to risk other issues.

The orientation is critical, and it is easy to install them wrong.


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  #5  
Old 06-18-2012, 02:52 PM
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Quote:
Originally Posted by whunter View Post
IMO it is not wise to risk other issues.

The orientation is critical, and it is easy to install them wrong.


.
Oh right - thanks - I thought that there might be more to it than that. Like something I didn't know. I'm about to pull a 722.3 to bits so I'll be heeding your advice.
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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  
Old 06-19-2012, 01:01 PM
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Oh goodie! Did you ever manage to put the 722.1 back together?
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  #7  
Old 06-19-2012, 01:39 PM
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Quote:
Originally Posted by rs899 View Post
Oh goodie! Did you ever manage to put the 722.1 back together?
Talking to me? And not Roy huh?


Just in case =>

Oh yes that's been done a long time ago.

I have another two 722.1s to do as well - the plan is to sell them to fund the 722.3...

We'll have to see how that goes though - selling here is pretty tough if you want more than 25 euros for anything...

...so eye iz gonna bling them up a bit two make em look nice...
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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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  #8  
Old 06-19-2012, 01:44 PM
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^^ Right- got it. So you are planning to use the 722.3..if it's rebuildable. Good move...
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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)
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  #9  
Old 01-11-2013, 06:40 PM
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Is there a parts list for this job?
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  #10  
Old 02-06-2013, 04:22 PM
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Is this also the repair for delayed reverse engagement? If so do you have a part number list?
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  #11  
Old 02-06-2013, 09:12 PM
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Answer

Quote:
Originally Posted by Phillytwotank View Post
Is there a parts list for this job?
Transmission Pump Seal (43 X 58 X 7 mm)
018 997 04 47

Transmission Pump O-Ring (144 X 3.5 mm)
Part # 016 997 14 48

Transmission Gasket
Part # 126 271 12 80

Plastic Ring (White), x2
Part # 126 272 09 55

Transmission Seal For Reverse Piston (Large)
Part # 126 272 01 92

Transmission Seal For Reverse Piston (Small)
Part # 126 272 00 92


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  #12  
Old 03-17-2014, 12:41 AM
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Excellent write-up!
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