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Practical limit on Upper Deck / Pin Weight

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  • #16
    I'm only aware of one rv manufacturing company that did Highly Accelerated Life Testing. They did overload GVWR they also added SumoSprings®, upgraded leaf springs, 30k Gen-Y® Executive Torsion Flex Hitch...etc.
    Last edited by wentfishn; 03-16-2024, 08:41 AM.
    Bob & Michele
    2021 Solitude 380FL- R
    2019 Chevy 3500HD CC DRW Duramax

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    • #17
      Just out of curiosity since I have a 2022 Solitude, does this TSB mean that the dealer is supposed to replace the lag bolts if they measure under 3/8"? If I understand that correctly at a minimum they are replacing lag bolts if I ask for this to be checked or am I missing something here if there is no flex?

      Rob
      Rob & Barb
      2022 RAM 3500 Big Horn, 6.7 Cummins HO/Aisin
      2022 Solitude 378MBS

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      • #18
        Correct. Step 12 reads... 'If the measurement is 3/8" or less follow procedure outlined in step 14.". Step 14 is replace lag bolts etc.
        Bob & Michele
        2021 Solitude 380FL- R
        2019 Chevy 3500HD CC DRW Duramax

        Comment

        • #19
          Originally posted by wentfishn View Post
          Correct. Step 12 reads... 'If the measurement is 3/8" or less follow procedure outlined in step 14.". Step 14 is replace lag bolts etc.
          Thanks for confirming. Guess it's time to call my dealer and get this done before camping season and de-winterizing starts and I can't get it in.

          Rob
          Rob & Barb
          2022 RAM 3500 Big Horn, 6.7 Cummins HO/Aisin
          2022 Solitude 378MBS

          Comment

          • #20
            Originally posted by Calbar View Post
            Just out of curiosity since I have a 2022 Solitude, does this TSB mean that the dealer is supposed to replace the lag bolts if they measure under 3/8"? If I understand that correctly at a minimum they are replacing lag bolts if I ask for this to be checked or am I missing something here if there is no flex?

            Rob
            That is correct. Doing the measurements requires removing the "up and under" the filon cover that goes from the pinbox down to the front of the rig, thats why I said it was not "owner friendly" to take the measurement. Removing this piece is a handful, and will probably result in the batts of insulation falling down. If your flex is within spec they instruct the servicer to replace the existing lag bolts with 1/2" lag bolts and also to fill the other unused holes with 1/2" lag bolts. This seems to be out of an abundance of caution, Lipperts frame guide does not require all the holes to be filled.
            Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.​

            Neil Citro
            2018 Reflection 28BH Pepwave
            2019 F350 6.7L Long Bed Crew Cab

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            • #21
              Originally posted by Calbar View Post

              Thanks for confirming. Guess it's time to call my dealer and get this done before camping season and de-winterizing starts and I can't get it in.

              Rob
              While talking to your dealer they should be able to supply you with the TSB for you to review. We are just unable to share it here unfortunately.
              Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.​

              Neil Citro
              2018 Reflection 28BH Pepwave
              2019 F350 6.7L Long Bed Crew Cab

              Comment

              • #22
                Originally posted by wentfishn View Post
                Correct. Step 12 reads... 'If the measurement is 3/8" or less follow procedure outlined in step 14.". Step 14 is replace lag bolts etc.
                So does this effectively mean there could be no measurable difference (but signs of flex exist) the lag bolts would need to be replaced anyway? Makes for difficult hotel/travel planning with this inspection at the factory scheduled in a month. I was told they may have it for 2-3 weeks if they have to pull the cap in which case I'd drive home and return when repairs are completed since I can't watch what is going on anyway.
                2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
                2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin

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                • #23
                  Originally posted by ajg617 View Post

                  So does this effectively mean there could be no measurable difference (but signs of flex exist) the lag bolts would need to be replaced anyway? Makes for difficult hotel/travel planning with this inspection at the factory scheduled in a month. I was told they may have it for 2-3 weeks if they have to pull the cap in which case I'd drive home and return when repairs are completed since I can't watch what is going on anyway.
                  Yes, but the lag bolts are accessed without removing the front cap. Most of them are accessed from the interior, occasionally a few are from underneath.
                  Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.​

                  Neil Citro
                  2018 Reflection 28BH Pepwave
                  2019 F350 6.7L Long Bed Crew Cab

                  Comment

                  • #24
                    Originally posted by wentfishn View Post
                    I'm retired now but when I use to work we did Accelerated Life & Stress Testing (HALT/HASS). If there were changes in the systems we delivered we would have to preform the test again to ensure we did not reduce life expectancy. I'm not sure if the RV industry does the same thing. My guess is no due to budget constraints.

                    ​
                    My guess would be no, because they don't have to. Also because this is a very old issue and it would not appear they do that kind of testing.
                    2018 Dodge 3500 6.7 Cummins w Aisin and 9 cup holders
                    2021 303RLS
                    Electricians were created because engineers need heroes too...

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                    • #25
                      Originally posted by wentfishn View Post
                      Correct. Step 12 reads... 'If the measurement is 3/8" or less follow procedure outlined in step 14.". Step 14 is replace lag bolts etc.
                      Where are these lag bolts? Lag bolts are for fastening wood.
                      2018 Dodge 3500 6.7 Cummins w Aisin and 9 cup holders
                      2021 303RLS
                      Electricians were created because engineers need heroes too...

                      Comment

                      • #26
                        Originally posted by Scott'n'Wendy View Post

                        Where are these lag bolts? Lag bolts are for fastening wood.
                        The go though supplied holes in the steel frame and into the aluminum wall members. Those aluminum wall members are stuffed with wood for the lags to bite into.
                        Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.​

                        Neil Citro
                        2018 Reflection 28BH Pepwave
                        2019 F350 6.7L Long Bed Crew Cab

                        Comment

                        • #27
                          Originally posted by ncitro View Post

                          Yes, but the lag bolts are accessed without removing the front cap. Most of them are accessed from the interior, occasionally a few are from underneath.
                          Well, they'd have to take a lot apart inside then to access the bolts.
                          2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
                          2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin

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                          • #28
                            Originally posted by ajg617 View Post

                            Well, they'd have to take a lot apart inside then to access the bolts.
                            Yeah in an east west bedroom most on the drivers side are under the bed, on the door side they remove the trim below the dresser to get to them. Some are in the closet as well.
                            Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.​

                            Neil Citro
                            2018 Reflection 28BH Pepwave
                            2019 F350 6.7L Long Bed Crew Cab

                            Comment

                            • #29
                              Originally posted by ncitro View Post

                              Yeah in an east west bedroom most on the drivers side are under the bed, on the door side they remove the trim below the dresser to get to them. Some are in the closet as well.
                              Closet has a W/D in it too.
                              2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
                              2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin

                              Comment

                              • #30
                                Originally posted by ajg617 View Post

                                Closet has a W/D in it too.
                                Yes I believe those are accessed from underneath.
                                Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.​

                                Neil Citro
                                2018 Reflection 28BH Pepwave
                                2019 F350 6.7L Long Bed Crew Cab
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