al_roethlisberger
Junkie
Name : Al Roethlisberger
Age : 56
Location : Sanford, NC
Joined : 2013-03-12
Post Count : 960
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 | | Subject: Torque value for chassis ground bolt Sun Sep 29, 2013 9:10 pm | |
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The factory service manual doesn't seem to provide the recommended torque value for the primary chassis ground, where the negative battery terminal is grounded under the back seat on the passenger side. It just says, make sure it is tight.
I've removed mine a handful of times to add a couple grounds and although I can tighten it to what seems acceptable, it also feels like it is just on the brink of stripping out. It's hard to tell if it is tight enough though or even over tightened.
Does anyone know what the torque value is for this bolt?
Thanks
Al
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AA
Administrator
Name : Aaron
Age : 47
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18452
Merit : 252
| | Subject: Re: Torque value for chassis ground bolt Mon Sep 30, 2013 1:11 am | |
| It really doesn't need much torque at all. Just snug enough to make the ground connector crush flat to the chassis, and not so loose that it will vibrate the screw free. 10 ft-lb should do it.
Torque specs are more important for structural assemblies, moving suspension components, and engine parts that expand & contract with heat. _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^  '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
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robotennis61
Guru
Name : robotennis
Age : 63
Location : las vegas
Joined : 2007-12-17
Post Count : 5562
Merit : 143
| | Subject: Re: Torque value for chassis ground bolt Mon Sep 30, 2013 11:35 am | |
| Before resembling the connections I would get some sandpaper and sand the terminals until bright.this will give you a good corrosion free ground connection. | |
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al_roethlisberger
Junkie
Name : Al Roethlisberger
Age : 56
Location : Sanford, NC
Joined : 2013-03-12
Post Count : 960
Merit : 24
| | Subject: Re: Torque value for chassis ground bolt Mon Sep 30, 2013 9:21 pm | |
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