Dog ring removal - Alfa Romeo Bulletin Board & Forums
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post #1 of 24 (permalink) Old 08-23-2018, 12:47 PM Thread Starter
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Dog ring removal

I am in a middle of trying to remove the dog ring from 2nd gear. I installed the big circlip on the gear and placed the bearing separator under the circlip and tried pushing down the gear with a 32mm socket.

I ended up breaking part of the collar of the gear

Is there another method to remove it ?

Is 2nd gear salvageable or should I start looking for anther one ?
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1971 - 2000 GT Veloce Euro
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post #2 of 24 (permalink) Old 08-23-2018, 01:45 PM Thread Starter
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Second time lucky.

I managed to remove the ring. Luckily this was on the second gear and it will be replaced due to uneven teeth.
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post #3 of 24 (permalink) Old 08-24-2018, 03:09 PM
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hello eas. I'm not sure why you are trying to separate the two pieces that make up 2nd gear. When you purchase 2nd gear, both pieces will be together as one unit. You will need to purchase a new synchronizer ring retaining clip because that one was deformed during the press.


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post #4 of 24 (permalink) Old 08-24-2018, 03:15 PM Thread Starter
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Quote:
Originally Posted by Chief View Post
hello eas. I'm not sure why you are trying to separate the two pieces that make up 2nd gear. When you purchase 2nd gear, both pieces will be together as one unit. You will need to purchase a new synchronizer ring retaining clip because that one was deformed during the press.


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Hey Chief, What I've meant is purchase dog gear for 2nd gear. As can be seen on the pics in my second post, the teeth on the dog ring are uneven and missing. I just ordered 2 dog gears from Centerline.

As regards the retaining clip, I was able to get it back in shape with some playing with the press.

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post #5 of 24 (permalink) Old 08-25-2018, 07:25 PM
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I don't use the ring to press the dog gear off.

Take your bearing press tool and fit the lip into the groove of the dog gear and tighten it with a wrench. Put the slot in the dog gear in the center of the space between the 2 halves of your press tool.

I've pressed hundreds of this way and never broke one.

1969 1750 Spider Veloce w/dual webers, 1969 1750 Berlina, 1971 1750 Spider Veloce w/ dual webers, 1985 Spider Veloce 23,000 orig. miles, {Two} 1986 Spider Veloces, 1987 Spider Veloce bought new, 1988 Quadrifoglio, 1991 164S, Plus several more. I think they are breeding.
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I just got 2 more. Now I have a Matta. I must be crazy.
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post #6 of 24 (permalink) Old 08-25-2018, 07:31 PM
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eas, you will have to excuse me because when I was an Alfa Tech working for an Alfa dealer, that part was not available so we just replaced the whole gear assy. I see now that part is available so if the main part of the gear is in good condition the gear dog ring can be installed and have a serviceable 2nd gear. You are doing OK but if you have a question just ask. ATB, chief




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post #7 of 24 (permalink) Old 08-25-2018, 08:28 PM
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Using the snap ring would work better if the part was rotated 90 deg in the clamshell. You were pulling right the weakest area.
I have a special tool for pulling the dog ring off Porsche gears-I should check to see if it fits Alfas.
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post #8 of 24 (permalink) Old 08-25-2018, 08:56 PM
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I have a special tool for pulling the dog ring off Porsche gears-I should check to see if it fits Alfas.[/QUOTE]

Chas,The tool pictured works fine for me too,but I'd still like to see a picture of your Porsche factory? tool.
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post #9 of 24 (permalink) Old 08-25-2018, 09:03 PM
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Quote:
Originally Posted by Chas H View Post
Using the snap ring would work better if the part was rotated 90 deg in the clamshell. You were pulling right the weakest area.
I have a special tool for pulling the dog ring off Porsche gears-I should check to see if it fits Alfas.
I've got both of them. They don't work.

1969 1750 Spider Veloce w/dual webers, 1969 1750 Berlina, 1971 1750 Spider Veloce w/ dual webers, 1985 Spider Veloce 23,000 orig. miles, {Two} 1986 Spider Veloces, 1987 Spider Veloce bought new, 1988 Quadrifoglio, 1991 164S, Plus several more. I think they are breeding.
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post #10 of 24 (permalink) Old 08-25-2018, 09:51 PM
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Originally Posted by alphil View Post
I have a special tool for pulling the dog ring off Porsche gears-I should check to see if it fits Alfas.
Chas,The tool pictured works fine for me too,but I'd still like to see a picture of your Porsche factory? tool.[/QUOTE]

It appears the Porsche tool is just a bit too large and it's for the early 901 type gearbox. Later gearboxes have larger synchronizers.
A clamshell used properly should work fine for Alfas.
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post #11 of 24 (permalink) Old 08-25-2018, 09:55 PM
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Here's another tool for Porsche synchros.
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post #12 of 24 (permalink) Old 08-26-2018, 01:29 AM
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Quote:
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Using the snap ring would work better if the part was rotated 90 deg in the clamshell. You were pulling right the weakest area.
I have a special tool for pulling the dog ring off Porsche gears-I should check to see if it fits Alfas.
I can't see how you could rotate the snap ring when it has a protrusion tab at one end that sits within the slot.?
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post #13 of 24 (permalink) Old 08-26-2018, 08:11 AM
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I can't see how you could rotate the snap ring when it has a protrusion tab at one end that sits within the slot.?
Tim
Turn the entire gear so that slot is hanging out over air.
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post #14 of 24 (permalink) Old 08-26-2018, 09:52 AM
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Jim G will any bearing separator tool fit the groove of the dog ring or did you modify a tool? It looks to be a specific size and diameter and would have to be a tight fit to withstand the force of the press.
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post #15 of 24 (permalink) Old 08-26-2018, 09:55 AM
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Chas H, Ok now I understand what you mean.
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