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Well, I discovered what my mechanic was talking about. Bosch lists one part number for the reman (SR484X) but you dont know if you will get the large bodied starter or the smaller one as fit in my 91. What arrived was the large, much heavier and looks like it requires a support bracket on the other end. So this one is going back.
That can’t be the right Bosch number. The big starter is for the 131 tooth ring gear from 1975 to 1989. Alfa did fo to the small size starter in 1986.

Your ring gear is 130 tooth starting in 1990. Which is different Bosch number from the earlier starter.

I recommend taking the one in your car to a rebuilder and have them fix it.
 

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what are the Bosch numbers stamped on your 'reman SR484X' starter?

iirc, the correct 1,4kW, 9 tooth, 3 mounting hole starter for the S4 would be Bosch 0001108081 (aka Bosch 0986015630)
do those numbers correlate to the old starter by any chance? (if you still have it, that is)

in fact, when I need a part, my very first search is always using the original alfa romeo PN....
because
a) sometimes you find a NOS part, so you know it'll fit perfect and you won't have to hammer it into place or shave bits off it with the dremel....;)
and b) a lot of good sellers have already done the research for you and have cross referenced OEM numbers.
 

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Discussion Starter · #43 ·
The Amazon part number is obscured by the rebuild sticker.
I haven't pulled my current starter yet and the part number is hard to see.

Alfa Parts sells only reman. Classic Alfa sells reman or the Chinese part I mentioned, or a gear reduction version.
Bosch USA lists the same part for 1979, 1985 and 1991 Alfa Spiders. Yes, I know it's clearly wrong.

1695014


1695015

1695016
 

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checking out this video shows the removal of the solenoid to be simple. Why are we (the bb) telling people to replace entire starters? Is the solenoid NLA?
 

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just the weight saving should be good for another 5 mph:)

I have no experience with WAI chinese starters, but just make sure it has 9 teeth and spins clockwise.

when you swop them out remember the shouldered bolt, that needs to go back in the middle mounting hole
(in fact, as with any aftermarket piece, test the bolts fit nicely before trying to fit the new starter)
 

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Glad you got it back together and it is working!

so, to re-cap, in the end that huge Bosch exchange starter was defect?
I hope you get your money back (the trouble and time you spent on rectifying someone else's poor work, always go unpaid I'm afraid....but one learns from it all...:()
 

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Oooooo I was going to ask for a video of the sound but I thought it would have been too weird! It does sound different. Does different mean bad here?
 

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Discussion Starter · #56 ·
I swear I am not making this stuff up.

As I mentioned, replaced the starter, it sounded a little weird but worked fine. I've been driving the car on and off.
I decided I was going to submit the car to Cars & Bids so I went out to take new pictures, plus there is an Italian festival in Raleigh this weekend, so I wanted to get the car ready.
At the end of the day I stopped for drinks, and when I came back to start the car, it cranked as usual but made a weirder sound and wouldn't start.
I turned off the key but could still hear the starter whirring somehow - kind of like a record player at the last groove - spinning, spinning but not catching or cranking. This was with the key totally out.
When it finally stopped, I let it sit and tried the key. Lights on, but not clicking at all. Again. Called my mechanic in CA who was as puzzled as me.
I was on a slight hill so I asked him if I can bump start in reverse. Never tried it he says, but it should work. Well, it did, and I got the car back.
Parked in the garage and turned it off. I tried the starter and it worked. Turned it off and repeated, worked again. My son noticed a strong weird smell - kind of like a clutch burning smell. ***.
 

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Maybe the "new" starter is defective or some of the bolts came loose?
 

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Two defective starters in a row? Pretty unlikely. The starter was professionally installed so doubt its loose. I don't know...
Where did they come from?
 
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