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-   Milano/75 (1985-1993) (https://www.alfabb.com/bb/forums/milano-75-1985-1993/)
-   -   Power Steering Pump rebuild (https://www.alfabb.com/bb/forums/milano-75-1985-1993/633649-power-steering-pump-rebuild.html)

dbgrubbs 01-22-2018 06:50 AM

Power Steering Pump rebuild
 
My pump has been weeping for quite a while and finally getting around to fixing it. Did a little searching and found very little information about the parts to rebuild them. Then I came across this kit:

Quality Steering Seals, Kits and Boots Alfa Romeo 75, 90 1983 - 1992 Steering Pump Seal Kit Jay Gee Power Steering

Has anyone actually used this kit? Is it correct?

Thanks

Mark_toro 01-29-2018 10:24 AM

Will be interrested in what you find out. My pump was seized when I bought the car two years ago - no belt. I turned it backwards and it loosened up. put a belt on and have been running it that way for 50k miles. Intermittant power steering is the best description.

Would also be interrested if anyone knows if the Milano ZF pump was used on any other cars. Mine might (obviously) be too far gone for a seal rebuild kit. There are no junkyard Milanos around here. :)

dbgrubbs 01-29-2018 10:43 AM

Well, I ordered one for my pump and one for a spare pump for SamW. We'll see what's included when they come in.

radioal 01-29-2018 04:49 PM

Quote:

Originally Posted by dbgrubbs (Post 8037537)
Well, I ordered one for my pump and one for a spare pump for SamW. We'll see what's included when they come in.

Supposedly, that pump is unique to the Milano/75, but I could swear I've seen a similar one on some other car I've had. Maybe a BMW e28 or e32? I would guess maybe there is some difference in the pulley that makes it Alfa specific.

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radioal 01-29-2018 04:56 PM

Quote:

Originally Posted by radioal (Post 8038225)
Supposedly, that pump is unique to the Milano/75, but I could swear I've seen a similar one on some other car I've had. Maybe a BMW e28 or e32? I would guess maybe there is some difference in the pulley that makes it Alfa specific.

Sent from my Nexus 5X using Tapatalk

Nope, I just looked at some pictures. It's neither of those. I have seen that thing somewhere!

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NMMilano 01-30-2018 09:52 AM

Im wondering how much it matters what pump you use. If one could determine out put flow rates it seems any pump should work.
A different beast, but on my Landcruiser I installed a Saginaw pump off a Volvo 240 because Toyota pumps are getting very expensive and rebuilt ones are prone to failure. I know, quite a few differences in steering systems between that and the Milano, but the theory remains the same.
A word of caution when you are rebuilding a pump. The reason the Toyota rebuilt ones fail is because although the seals are replaced the wear is actually in the shaft and rebuilders have no way of repairing that so it doesn’t take long for the new seals to wear.
Not sure what the failure point is on Milano pumps.

Gubi 01-30-2018 10:28 AM

Quote:

Originally Posted by NMMilano (Post 8039313)
Not sure what the failure point is on Milano pumps.

There's the main shaft seal that needs replacing, then like six small o-rings and two larger o-rings. Few threads here:

http://www.alfabb.com/bb/forums/mila...ring-leak.html
http://www.alfabb.com/bb/forums/mila...ong-my-ps.html

It's really easy to rebuild, the tricky part was just finding the right size o-rings and shaft seal. Mine worked great for years after I replaced the seals.

NMMilano 01-30-2018 11:55 AM

Quote:

Originally Posted by Gubi (Post 8039353)
There's the main shaft seal that needs replacing, then like six small o-rings and two larger o-rings. Few threads here:

http://www.alfabb.com/bb/forums/mila...ring-leak.html
http://www.alfabb.com/bb/forums/mila...ong-my-ps.html

It's really easy to rebuild, the tricky part was just finding the right size o-rings and shaft seal. Mine worked great for years after I replaced the seals.

In my example above the difference in pump price is over $300 so it was worth a little fabrication work to install a different readily available pump. It doesn’t sound like that’s the case with the Milano. Mine never leaked at the pump, just at the rack.

pistonclub 02-12-2018 03:09 PM

Thanks for the link, i need this kit as well!

pistonclub 02-12-2018 03:10 PM

Actually the link does not work

pistonclub 02-12-2018 03:11 PM

Could you please post the right link? Thanks

paulsle 08-17-2019 02:02 PM

2 Attachment(s)
Any update regarding the availability of a Verde PS pump rebuild kit?
Have just successfully reinstalled my PS Rack rebuilt by Jorgen automotive, I now find the pump is leaking a bit more than I should ignore.

Best thread with guidance for pump rebuilding?

Thanks,

75Tickspark 08-18-2019 02:46 AM

Recently rebuild the pump.

Remove the pulley, remove the mounting bracket, split the pump by removing the two long bolts/screws.

You need a seal for the shaft, two big o rings and 6 smaller o rings.
Simply take the pump to any hydraulic shop and they should have that stuff in stock, its maybe 5 dollars worth of material.

paulsle 08-18-2019 06:52 AM

Very helpful, thanks. Plenty of hydraulic repair shops in the area so my plan is to gather seals/o-rings, rebuild a known good pump, then swap out the pumps.

GregSef 08-18-2019 06:44 PM

I've resealed a few pumps.

Use these parts
Steering pump O rings 9mm x 2.0mm 6 pieces
Steering pump big O ring 37mm x 2mm (#9263K659) 1
Steering pump shaft seal (CRW1R) 16mm x 28mm x 7mm CR 1

I purchased the O-rings from McMaster and the shaft seal from any power transmission company that sells CR seals.

Greg


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