Power Steering Pump rebuild - Alfa Romeo Bulletin Board & Forums
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post #1 of 17 (permalink) Old 01-22-2018, 06:50 AM Thread Starter
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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
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post #2 of 17 (permalink) Old 01-29-2018, 10:24 AM
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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.

84 Spider - Long gone, but started the addiction; 85 GTV6 - Current project, Supercharged, Mega Squirt; 88 Verde - "Milo" It has a name, must be a keeper
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post #3 of 17 (permalink) Old 01-29-2018, 10:43 AM Thread Starter
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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.
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post #4 of 17 (permalink) Old 01-29-2018, 04:49 PM
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Originally Posted by dbgrubbs View Post
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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post #5 of 17 (permalink) Old 01-29-2018, 04:56 PM
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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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Nope, I just looked at some pictures. It's neither of those. I have seen that thing somewhere!

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post #6 of 17 (permalink) Old 01-30-2018, 09:52 AM
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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.

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76 Alfetta GT race car
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post #7 of 17 (permalink) Old 01-30-2018, 10:28 AM
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Originally Posted by NMMilano View Post
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.

Tom

1963 Giulia Spider (1750 engine)
1974 GTV
1991 Spider
Former: 1987 Milano Gold
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post #8 of 17 (permalink) Old 01-30-2018, 11:55 AM
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Originally Posted by Gubi View Post
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 doesnít sound like thatís the case with the Milano. Mine never leaked at the pump, just at the rack.

87 Milano Platinum
76 Alfetta GT race car
70 Fulvia 1.3 Rally S
68 Fiat 850
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post #9 of 17 (permalink) Old 02-12-2018, 03:09 PM
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Thanks for the link, i need this kit as well!
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post #10 of 17 (permalink) Old 02-12-2018, 03:10 PM
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Actually the link does not work
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post #11 of 17 (permalink) Old 02-12-2018, 03:11 PM
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Could you please post the right link? Thanks
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post #12 of 17 (permalink) Old 08-17-2019, 02:02 PM
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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,
Attached Images
  

Paul Leone
'72 GTV
'91 164 S
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post #13 of 17 (permalink) Old 08-18-2019, 02:46 AM
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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.

Restoring a 75 TS aka the tickspark.
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post #14 of 17 (permalink) Old 08-18-2019, 06:52 AM
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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.

Paul Leone
'72 GTV
'91 164 S
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post #15 of 17 (permalink) Old 08-18-2019, 06:44 PM
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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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1972 Berlina Vintage Racer, 1987 Milano Platinum (LeMons Car), 1982 GTV6 EP Race Car, 1974 GTV Vintage Race Car, 2012 VW GTI stage II, 1966 Corvette Coupe 327-350, 2007 Triumph T100 Bonneville. Dearly departed: 1971 Fiat 124 Spider, 1983 Saab 900 Turbo, 2004 Saab 9-3 Aero, 1995 BMW 540i Sport, 2014 Audi A4 (swamped)
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