Volvo RWD 140-160 Forum

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Torque converter bolts BW 35 140-160 1975

posted by  someone claiming to be Chris Palmer on  Tue Jul 11 19:09 CST 2017 [RELATED]

1975 164 with BW 35 automatic transmission. I have the transmission out and am ready to reinstall. Bolts holding the drive plate (flywheel?) to the torque converter are not in good shape and would like to replace. Threads in torque converter are also a bit of a mess so would like to tap out. All indications are that the original bolts are 3/8 inch fine (25) thread. But this is pretty close in size to 10mm 1 thread, and one expects metric on a Volvo. But Borg Warner is American so maybe they used 3/8? Does anyone know what size bolts and threads were used? Or where I might find proper replacements?








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Torque converter bolts BW 35 140-160 1975

posted by  planetman on  Wed Jul 12 09:37 CST 2017
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last visit: Fri Oct 24 09:29 CST 2014
[RELATED]

3/8" x 5/8" UNF(24 threads per inch)

--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502
hiperformanceautoservice.com or oldvolvosonly.com








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Torque converter bolts BW 35 140-160 1975

posted by  chrispalmer on  Wed Jul 12 11:05 CST 2017
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last visit: Sun Feb 16 13:38 CST 2014
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Eric - Thanks very much. This is what all the evidence suggested but I just didn't want to believe it. Cheers, Chris.








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Torque converter bolts BW 35 140-160 1975

posted by  Chris Mullet on  Thu Jul 13 14:54 CST 2017
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last visit: Fri Oct 24 09:08 CST 2014
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Chris, did you find some bolts yet? If not, I believe I have a set of good used ones as I just converted my car from BW35 to M41. They're yours for the postage if you still need them. Let me know.
--
Current rides: 2005 Volvo S80 2.5T, 2003 Volvo V70 2.4NA, 1973 Volvo 1800ES (getting ever closer to road worthiness)







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