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RE: 87 245 AUTO - driveline shaft flange bolt

Hi all,

Can I use grade 8 bolt instead of 10.9? My old sets are stripped and I need to get back on the road soon. I had no luck finding them at a general auto parts store. Acer hardware do have grade 8. Should I just use them or get a set from Volvo dealer? Thank you as always.

PS
I have 2" diameter drive shaft.








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    Thank you once again! 200 1987

    Hi Ken C, rstarkie, Art Benstein, Volvo From Heck, Trichard, CB and Adirondack Blues

    I was able to install my drive shaft over last weekend. My car is up and running. I took more photos. Enjoy, I hope it brings good memory of yours. Thank you!

     photo IMG_2013_zpsf0c74ec6.jpg

     photo IMG_2019_zpsffbc1c06.jpg

     photo IMG_2033_zpsd567e4e8.jpg

     photo IMG_2040_zps45dfa519.jpg








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      Yeah! 200 1987

      Nice photos. Tell your dealership friend we all thank him for lending you that tool allowing you to show us how slick it is.
      --
      Art Benstein near Baltimore

      All the trouble I've ever been in started out as fun.....








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        Yeah! 200 1987

        Hi Art,

        Thank you and I will. His name is Bob. Of course, his name is Bob... I gave him a box of Maryland's finest Berger cookie. :-)

        https://www.bergercookies.com/








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          Yeah! 200 1987

          Berger Cookies make a fine gift. I've sent them to my relatives in the midwest -- they travel somewhat better than blue crabs if the weather isn't too warm. If you ever find yourself in Tony Hoffman's debt, I think he would enjoy a milk shake from Chick-Fil-A. I owe him one for sure.
          --
          Art Benstein near Baltimore

          Never test the depth of the water with both feet.








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            Volvo seat 200 1987

            Hi Art,

            He always helps me a lot. It's great to know. If I ever get a chance, I will get him two. ;-)

            I love my seat, it's pain free. His step by step how to rebuild the seat instruction was very helpful. It's shame that I don't feel the comfort even with the 10 way adjustable features on some modern cars.








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    RE: 87 245 AUTO - how to tighten/loosen driveline shaft flange bolt/nut without striping? 200 1987

    Hi all,

    Unlike IPDUSA, my local Volvo dealer is selling only one size bolt/lock nut regardless of the shaft sizes.

    6814141 screw by Taiwan
    6814142 lock nut by Germany

    I was hoping that a new set would have smaller in dimensions so that I can fit a socket over it. One of the mechanic saw me there, he went over to his tool box and lend me this tool (see red arrow). It was so nice of him. I guess I looked pretty desperate...

     photo IMG_1997_zpsbb44e380.jpg

     photo IMG_1999_zps28079c55.jpg

    9995244 45 15MM

    I still doubt if this tool will sit flat against the flange surface. I am so curious. How did you guys do this? Also, does a lock nut face the front of the car and bolt head face the rear of the car? Does that matter at all? Thank you as always.








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      RE: 87 245 AUTO - how to tighten/loosen driveline shaft flange bolt/nut without striping? 200 1987

      That is the tool pictured in the repair manual.

      All I remember about the difficulty is a lot of up-and-down getting the right tools. That's why I mentioned your photo of the 17 wrench with a death-grip on the bolt head. Makes me think 11/16 was the wrench I needed, but that would make sense for the older driveshafts I've had out. I think one side I could reach with a ring spanner and the other side hold with a well-fitting open end, but sorry, did not find the picture I'm sure to have taken.

      This manual page shows the bolts go in from the driveshaft toward the transmission or differential.

      PS, just saw your humorous response about the bolt balancing youtube and Dave's useful response.

      This is from a 1984 manual.


      --
      Art Benstein near Baltimore

      “How can I answer this and stay opaque? Tina Fey








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        RE: 87 245 AUTO - how to tighten/loosen driveline shaft flange bolt/nut without striping? 200 1987

        Hi Art,

        They gave me this copy. See bolt orientation. I had to ask...

        I will try that 11/16". I will report back with pictures. Thank you.

         photo driveshaftdiagram_zpsb24e5dc4.jpg








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          Bolt direction 200 1987

          Interesting about the bolt direction. Here's one from 87 (yours is 87 right?) showing same orientation as the 88.



          And another from 84 which corresponds the manual page I put up last post, in year but not in bolt direction.



          I figured the bolt direction would be determined by wrench access.
          --
          Art Benstein near Baltimore


          "No man would listen if it wasn't his turn to talk next."








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      RE: 87 245 AUTO - how to tighten/loosen driveline shaft flange bolt/nut without striping? 200 1987

      140/160 series cars used 3/8 diameter screws with 9/16 bolt head and nut (except for the early cars with the smaller u-joint which used 5/16 screws with 7/16 bolt head and 1/2 nut size) -- 240/260 cars (at least the earlier models) used a 10mm bolt with 14mm bolt head and nut (except for those with the smallest u-joint). There's really no need to have a 15mm bolt head and 17mm nut. The screws enter from the u-joint side and the nuts are on the trans or diff flange side. -- Dave








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        RE: 87 245 AUTO - how to tighten/loosen driveline shaft flange bolt/nut without striping? 200 1987

        Hi Dave,

        I believe in you, I also wished that whoever made the final decision did too.

        That Volvo mechanic who lend me the tool, he reminded of you. I felt so blessed. Thank you!!!

        --

        swimming exercise for better posture
        superman glide








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    RE: 87 245 AUTO - driveline shaft flange bolt

    If you want to stop by I'm sure I can fix you up with some good used ones--I have lots of them around. Have to go out now for the afternoon--be back later--home tomorrow mostly. If you leave a message phone-e-mail or BB I'll leave a package on the front stoop if we can't get together at the same time. -- Dave








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    RE: 87 245 AUTO - driveline shaft flange bolt 200 1987

    Does anyone other than you drive the car?

    What size were you looking for. Metric or 3/8-24 NF?

    Threads stripped or heads stripped?


    --
    Art Benstein near Baltimore

    "Often people who have lived with uncomfortable heating systems do not realize what they have been missing." -John Siegenthaler








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      RE: 87 245 AUTO - driveline shaft flange bolt 200 1987

      Hi Art,

      I am the only one who drive this car. I drive very gently most of the time but Brooklyn Queens express way is unforgiving.

      Mine had 15mm head and 17mm nut, had really really tough time to take out because my combo wrench wouldn't clear the space. It looks like I need 14mm but Acer sell 3/8 which is very close to it. I have so many photos to share. My hands are still shaking...

      Thank you.

      PS

      Sorry. The threads are ok but all nuts are in bad shape.








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        RE: 87 245 AUTO - driveline shaft flange bolt 200 1987

        Hey SB,

        The question about who drives the car was about safety. If something broke or came loose, I can picture it happening fairly quickly, but with some warning you would be keenly aware of.

        Every time I've crawled under a car to disconnect a driveshaft I wind up back and forth several times getting the right tools, and most of the time searching out inch sizes. Well, I learned today from the green book New Car Features 1985 the switch to metric occurred that year as well as Volvo standardizing on the larger driveshaft in all 240s. So I only have to remember the two 83's and the 79 need UNF hardware, and I should have realized yours was metric when you called out "10.9" assuming you read that from the bolt head.

        I don't have any. I know the access to those nuts and bolt heads is tricky -- the green book on the prop shaft shows a special took that necks down to clear the joint. I remember having to rotate the shaft to create room for the wrench -- meaning you need this in neutral and on jackstands and not ramps.

        What can I say? Crazy Rays is open another couple hours. Ace probably doesn't carry metric lock nuts of the pattern you need. Are they really destroyed?

        Edit... BTW, did you see the youtube of someone changing a carrier and center support bearing, weighing the flange hardware with a +/- 1 gram scale looking to balance it? I'll bet he wasn't thinking about potholes on the BQE. :-)
        --
        Art Benstein near Baltimore

        "It could be said that burning wood for home heating is choosing 'a way of life,' rather than just choosing a fuel." -John Siegenthaler








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          RE: 87 245 AUTO - driveline shaft flange bolt 200 1987

          Hi Art,

          I am sorry for my late reply. I went out and banged "very gently" my new center bearing onto the shaft. After that, I had to run 3 mile (race pace) around the block, I am training for my half NYC marathon coming this March. When I came back I just passed out. :D

          I didn't watch the youtube video but did he also placed his seat/steering wheel in the center? :D

          Thank you.







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