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Earthling
Join Date: Apr 2002
Location: The Thawing Wasteland of the North
Posts: 700
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Torque value with plus sign?
What does it signify if a torque value looks like this: 50 + 5 ?
not 50+/-5 degrees (unless it shorthand for the latter, but i doubt an angle gauge would make sense in this application). Does it mean tighten to 50 Nm, then add 5 more (for total 55) and re-tighten? or what???? TIA 
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1996 Porsche 993 C4. His 1979 Porsche 911SC - sold... and now BACK again! Hers 2021 Volvo V60 (foul weather drive) 2024 Volvo XC60 (spousemobile) |
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08-13-2020, 05:23 PM
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Registered
Join Date: Jul 2005
Location: Cleveland, OH
Posts: 1,366
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I’ve only seen those on drain plugs... I’ve always assumed they meant 50 and if it leaks go to 55.
Never had a drain plug leak with seal ring. |
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08-15-2020, 01:55 PM
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Earthling
Join Date: Apr 2002
Location: The Thawing Wasteland of the North
Posts: 700
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This is from a ZF manual for power steering rack rebuild - both notations are used. Some of them would be pretty hard to get at if they leaked after reassembly
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1996 Porsche 993 C4. His 1979 Porsche 911SC - sold... and now BACK again! Hers 2021 Volvo V60 (foul weather drive) 2024 Volvo XC60 (spousemobile) |
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08-16-2020, 07:40 AM
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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,702
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This is a guess, but I would say that those are tolerances......of 50+5...I.E. +5/-0 spec, resulting in a torque value of 50-55 (although I can't say I've seen them expressed quite that way before)
However, some of the other specs, like the tie rod show typical +/- tolerances of 80 +/-8 giving you a spec value of 72-88. regards, al
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[B]Current projects: 69-911.5, Previous:73 911X (off to SanFrancisco/racing in Germany).77 911S (NY), 71E (France/Corsica), 66-912 ( France), 1970 914X (Wisconsin) 76 911S roller..off to Florida/Germany RGruppe #669 http://www.x-faktory.com/ |
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08-18-2020, 02:59 PM
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