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Brake Booster Vacuum Elbow Grommet


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Alright, the grommet that seals my brake booster elbow is pretty shot and i've got a real small vacuum leak. I'm trying to look for the part online, is this the correct part number? 

 

 

That grommet looks right, but it doesn't have slots for the elbow's three tabs to slide into.

 

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Edited by 72MetallicMalaga

'72 Metallic Malaga 2002 with a '73 M10 | Dual Weber DCOE 40s | E21 5spd and LSD | Pertronix II

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If I remember right, the original did have cutouts but what you get now is an o ring that you will have to stretch to get over the tabs.   It is also a square o ring which means it is not round but square cut, flat on both sides   A little lube on the o ring will make it easier to turn the fitting back in with a new o ring

 

Thanks, Rick

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Alright, I picked up part #34336765316, but it looks like the opening is too small for the elbow, should I try just lubing it a bit and forcing it on? I don't even think the tabs will clear the thickness of the grommet.

 

I guess I can try cutting the grommet down lengthwise to make it thinner.

 

I think the old owners of the car used liquid silicone gasket, the remnants on the brake booster are rubbery.

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'72 Metallic Malaga 2002 with a '73 M10 | Dual Weber DCOE 40s | E21 5spd and LSD | Pertronix II

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That's what I was afraid of lol. Ill try this one out and keep searching for the right one.

 

I guess worst case scenario, I can swap the elbow for the later style? I don't think the tab openings on the brake booster will cause issues as long as the fitting is tight...

'72 Metallic Malaga 2002 with a '73 M10 | Dual Weber DCOE 40s | E21 5spd and LSD | Pertronix II

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7 minutes ago, eviction_party said:

I have a bunch of spares I got from Power Brake Exchange when I had them rebuild my brake booster — want one? DM me an address!

 

Yes I would! Haha, that's amazing, i'll DM you right now.

 

So is there a part number or packaging or anything?

'72 Metallic Malaga 2002 with a '73 M10 | Dual Weber DCOE 40s | E21 5spd and LSD | Pertronix II

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