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Discussion Starter #1
I'm just wondering if these rebuilt units (ebay, Rock Auto) come with new vacuum advance units, or guaranteed working ones.

As I posted in the WTB section, the sub diaphragm on my vacuum advance died on both my original and backup spare distributor. New Totyota replacements Class F and while I've ordered a used one from the list, I'd really like to have a fresh new unit with new rubber for a long term solution.

Anyone with first hand experience?
 

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Normaly some oil and massaging the ring inside the distributor will fix the problem with extra advansing timing vacuum..... My working fine still after 26 years, (but have been massaging it.)
2 rings must turn without resistance.
 

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Discussion Starter #3
I don't think oil and massaging will repair a hole in a diaphragm, but thanks for the tip!
 

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i just installed one from ebay, the vacuum actuators on my original didn't work and i had a nasty miss.

changed to the rebuilt one and everything is working perfectly:thumbsup:
 

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Discussion Starter #5
Just to help close the thread, bought the cheapest one on ebay, rebuilt by Arrow, less than $75 and it works great. I think the vacuum advance is a brand new (old stock) Nippon Denso.
 
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