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04-06-2021, 10:24 AM | #1 |
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Join Date: Jun 2020
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Pressure plate bolt torques
I replaced the clutch disk and pressure plate in the truck I am working on and the 17-20 foot pounds of torque seems a little light to me. It’s my first clutch replacement on something other then a naval destroyer so I don’t have much to compare it too. Any words of wisdom?
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04-06-2021, 10:33 AM | #2 |
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Location: Wisconsin, USA
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Re: Pressure plate bolt torques
Not certain what year you are working on but the "early" years have blind threaded holes. Be careful not to bottom out the bolt and break it off.
I've replaced more clutches than I dare recall and have never used a torque setting. I have no doubt there is one, I'd just never felt I needed one. If you are fearful, use the specification that you'd found for this.
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04-06-2021, 10:47 AM | #3 |
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Location: Capital of Corruption , NY
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Re: Pressure plate bolt torques
Vanpelt website 17-20. Does seem light http://www.vanpeltsales.com/FH_web/f...ecs32-48V8.htm
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04-06-2021, 10:54 AM | #4 | |
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Re: Pressure plate bolt torques
Quote:
You're gonna find that these "light" figures are pretty-much correct for a 5/16" bolt, depending on the actual GRADE of steel used. 3/8" bolts are going to require a little more 'oomf' to snug 'em up properly. A STANDARD "bolt-torque" chart below for a GUIDE.....NOT necessarily the GOSPEL!!! DD Last edited by V8COOPMAN; 04-06-2021 at 11:25 AM. |
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04-06-2021, 02:26 PM | #5 |
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Re: Pressure plate bolt torques
I've always used 20.
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04-06-2021, 03:15 PM | #6 |
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Re: Pressure plate bolt torques
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04-06-2021, 04:00 PM | #7 |
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Location: Fitzgerald, Georgia
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Re: Pressure plate bolt torques
It is foolish to avoid using a torque wrench for those tiny PP bolts. Use 20 lbs. for new bolts and 18 for used parts.
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04-07-2021, 12:20 AM | #8 |
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Location: MN
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Re: Pressure plate bolt torques
15-20lbs is really not that much pressure. Hell my head weighs about 11lbs according to science. hahaha. Torquing a bolt at a higher torque doesn't make it better or stronger. Certainly with something that has shear pressure. Flywheels have shear pressure from the side of the bolt. Not a bolt that keeps a head tight with linear pressure. Remember it's just an old flathead.
Probably more important is the bolts you use. Shoulder bolts made for flywheels (new or old oem). ARP is cheap for flywheel bolts. Not something I would consider putting any bolt in. Torque them, forget about it. . Last edited by Tinker; 04-07-2021 at 01:21 AM. |
04-07-2021, 06:44 AM | #9 |
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Re: Pressure plate bolt torques
Use new lock washers .
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04-08-2021, 06:52 PM | #10 |
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Join Date: Aug 2012
Location: Perth, Western Australia
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Re: Pressure plate bolt torques
Dont think Ive gone under 25lbs...
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