| [GMCnet] Tid bit. Caushion on transmission torque converter bolts on rebuilt trannies [message #343257] |
Sun, 12 May 2019 01:33  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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Senior Member |
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If you order a transmission from ANY rebuilders. And I mean any of our vendors. Or local shops. These vendors order torque converters from convertor rebuilders. Our original converters used 3 - 3/8 course SAE bolts. I've seen some of these convertors that have 10MM threads. A 3/8 bolt will screw into the 10MM hole just fine. As the SAE bolt is .019 inch smaller then the 10MM bolt. This 3/8 SAE bolt in that 10MM hole. Can threaten the integrity of the connection years later. I DO NOT care who built the trans, or who is going to install it. Get a 10MM coures bolt. And test the size for yourself. If the bolt goes in fine. It's 10MM for sure. If that 10MM will not screw in. It's 3/8 SAE course hole. Seen this get by some of the best. DO NOT let anyone stop you from this test. Could cost YOU a lot later. Not them. Bob Dunahugh
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