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Is there a torque value for 4 x lower dash bolts? (VETTED ANSWER 8 Nm) Topic is solved

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scot850
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Is there a torque value for 4 x lower dash bolts? (VETTED ANSWER 8 Nm)  Topic is solved

Post by scot850 » Sat Dec 02, 2017 5:17 pm

I am now re-fitting the lower dash section having repaired the broken mounts.

I have watched Roberts video on repair and in it he throws out a torque for the 4 x bolts on the firewall mounts of around 10 ft/lb.

Is there an actual torque value these bolts should be tightened to? Can't find a reference in my Vida, but then it doesn't let me read all the repair instructions in some sections for some reason.

Thanks,

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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abscate
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abscate

Re: Is there a torque value for 4 x lower dash bolts?

Post by abscate » Sun Dec 03, 2017 9:11 am

Interesting that all data does not report these.

DO NOT USE a standard M6 torque which is designated for metal on metal fasteners though.

I think I would firm them up to Contact, then see if my dash squeaks , before any more torque is applied
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scot850
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Re: Is there a torque value for 4 x lower dash bolts?

Post by scot850 » Sun Dec 03, 2017 10:15 am

I took them to 10 ft/lb as Robert suggested. Problem always is finding the middle ground on these as if it is not enough then the wipers and cover all have to come off again. I guess you could drive the car without those on to check it out now I think on it.

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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Re: Is there a torque value for 4 x lower dash bolts?

Post by Klausc » Sun Dec 03, 2017 10:48 am

Too late for a helpful hint: Have someone push the dash forward from inside the car until the bolts are snug. If you try to pull the dash using the bolts, it will still be too loose. Been there, done that.
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scot850
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Re: Is there a torque value for 4 x lower dash bolts?

Post by scot850 » Sun Dec 03, 2017 12:34 pm

Good suggestion. I did push the dash with one hand while turning the wrench with the other. Feels tight but I am concerned that even 10ft/lb might be too much. Dash feels incredibly solid for now. I've dropped a note to the dealer foreman I know to see what they recommend too. Hopefully get a response tomorrow.

Thanks for the suggestion.

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

scot850
Posts: 5918
Joined: Mon Apr 05, 2010 2:46 pm
Year and Model: 2000 V70 R
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scot850

Re: Is there a torque value for 4 x lower dash bolts?

Post by scot850 » Tue Dec 05, 2017 11:13 am

And here is the correct answer direct from my Volvo foreman friend Bill. 8Nm is the correct torque value for the 4 x dash mounting bolts in the firewall behind the wiper motor.

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

Klausc
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Re: Is there a torque value for 4 x lower dash bolts?

Post by Klausc » Tue Dec 05, 2017 11:57 am

Heck, I wouldn't trust my torque wrench to register 6ft/lb. That is just barely over 'finger' tight. I wouldn't loosen your bolts.
Klaus
If I had a larger garage, I could have more Volvos.

scot850
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Re: Is there a torque value for 4 x lower dash bolts?

Post by scot850 » Tue Dec 05, 2017 3:22 pm

I have a Toque wrench with a range of 0-30Nm on a 1/4" drive and a 0-50Nm on 3/8" drive so I am ok for this. 10ft/lb is nearly 80% too high.

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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abscate
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abscate

Re: Is there a torque value for 4 x lower dash bolts? (VETTED ANSWER 8 Nm)

Post by abscate » Wed Dec 06, 2017 7:15 am

Added vetted answer to title for brevity
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
Link To Volvo Glossary

scot850
Posts: 5918
Joined: Mon Apr 05, 2010 2:46 pm
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
Has thanked: 12 times
Been thanked: 210 times
Canada
scot850

Re: Is there a torque value for 4 x lower dash bolts? (VETTED ANSWER 8 Nm)

Post by scot850 » Wed Dec 06, 2017 8:03 am

Thanks abscate.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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