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Rear shocks top nut

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toolpusher
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Post by toolpusher »

Quick update: went through two locking pliers on the shaft that would not grip enough despite grinding.
An impact torx bit did a good job with the pass through wrench until it snapped leaving the bit head stuck in the shaft.
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volvolugnut
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Post by volvolugnut »

toolpusher wrote: 08 Apr 2021, 21:58
until it snapped leaving the bit head stuck in the shaft.
I hate when that happens. Time for gas axe (AKA cutting torch)?

volvolugnut
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toolpusher
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Post by toolpusher »

I am thinking of drilling into the nut. Start small, get bigger and then blow off the nut with a chisel.

I am afraid I am past drilling the shaft, because now there is a hardened steel bit stuck in it :(

cn90
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Post by cn90 »

- If you carefully apply heat (propane torch set at low) and point straight to the nut for 1 min, then spray with
PB Blaster and let is soak, then turn it.

- If you mess up the shock mount (the round piece), let me know, I have 2 gently used shock mounts in excellent condition, I can ship them to you.

- If you look at the link I posted above, you will see the vise-grips trick...
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

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toolpusher
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Post by toolpusher »

Yessss, it’s loose. Used a tie down strap to keep the self tightening Knipex in place. Seriously, get one, mine is 20 years old, bites as new.
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toolpusher
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Post by toolpusher »

Hi, Putting it all back together. I asked FCP for the torque specs. According to that sheet the top nut just needs 18 Ft Lb. Is that correct? Seems pretty low.

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volvolugnut
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Post by volvolugnut »

I hate to abuse good tools, but sometimes it is the only way. Glad you got it apart.
volvolugnut
The Fleet:
Volvo: 2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple Volvo parts cars.
Mercedes: 2001 E320, 1973 280, 1974 280C, 1989 300E, 1988 300TE, 1979 300TD, parts cars.
2009 Smart Passion
Ford: 1977 F350, 1964 F150 (2), 1938 Tudor Sedan
Farmall tractors: 1956 400 Diesel, 1946 A
John Deere 214 lawn tractor about 1977 model
And others.

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ggleavitt
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Post by ggleavitt »

60 Nm or 44 ft lb for the nut per VIDA (see R&R section 76, shock absorber rear replacing).
2006 V8 Ocean Race #740/800 208k, 2008 V8 Sport 188k

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toolpusher
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Post by toolpusher »

Thank you!
So it is the strut center shaft. I assumed it is the upper shock mounting.
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ggleavitt
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Post by ggleavitt »

rere.JPG
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2006 V8 Ocean Race #740/800 208k, 2008 V8 Sport 188k

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