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67 Hood Latch problem

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  • Ira L.
    Frequent User
    • May 31, 2006
    • 30

    67 Hood Latch problem

    When I close the hood of my 67 convertible both latches catch the hood and secures it flush with the quarter pannels. However as I drive the right side latch gives way and releases but the left side remains secure. Is there an adjustment that can be made to just that side to secure the hood from poping up?
    Ira Lippel
    45858
  • Tom H.
    Extremely Frequent Poster
    • December 1, 1993
    • 3440

    #2
    Re: 67 Hood Latch problem

    Hi Ira !

    Welcome !!! Yes, there should be an adjustment you can make. ( Both the pins and the latches have adjustments.) Also be sure everything is lubed and sliding correctly. Also be sure your hood release handle is pushed completely in when the hood is closed.
    Tom Hendricks
    Proud Member NCRS #23758
    NCM Founding Member # 1143
    Corvette Department Manager and
    Specialist for 27 years at BUDS Chevrolet.

    Comment

    • Michael J.
      Extremely Frequent Poster
      • January 27, 2009
      • 7073

      #3
      Re: 67 Hood Latch problem

      You can also add washers or spacers behind the firewall mounting bolts of the latches to adjust the front-back fit. They didn't build these cars with close tolerances and tight fit and finish you know
      Big Tanks In the High Mountains of New Mexico

      Comment

      • Stephen L.
        Extremely Frequent Poster
        • May 31, 1984
        • 3148

        #4
        Re: 67 Hood Latch problem

        Your problem might be as simple as an adjustment of the cross hood release cable..... possibly a little tight.

        Comment

        • Jack H.
          Extremely Frequent Poster
          • April 1, 1990
          • 9906

          #5
          Re: 67 Hood Latch problem

          Latch pins need to be CENTERED in the catches and extended sufficiently for the catch to close around the back side of the pin. Adjusting the pin length is pretty simple (rotate the pin on its threads into/out of the pin holding plate.

          Adjusting the pin to catch centering profile is bit trickier. There's some adjustment where the catch attaches to the firewall and you can use shims as others have suggested. But, here's my technique...

          Wrap the catch assy with aluminum foil. Now, carefully and SLOWLY close the hood until the latch pin leaves an impression in the foil covering the catch.

          Raise the hood and visually inspect where the tip of the latch pin is with respect to the CENTER of the catch opening. Make required adjustment(s) until you do obtain a solid centering profile.

          Last, NEVER fully close/latch the hood until the catch to firewall and latch to hood fasteners are FULLY tightened! Failure to do this can result in catch closing/holding the pin with catch and/or latch free to move around and failing to release when you pull the release handle... If you accidently get to this point, you're going to HATE yourself, because it's a major chore get the catch open again and release the hood catch pin!!!

          Comment

          • Ira L.
            Frequent User
            • May 31, 2006
            • 30

            #6
            Re: 67 Hood Latch problem

            Originally posted by Tom Hendricks (23758)
            Hi Ira !

            Welcome !!! Yes, there should be an adjustment you can make. ( Both the pins and the latches have adjustments.) Also be sure everything is lubed and sliding correctly. Also be sure your hood release handle is pushed completely in when the hood is closed.

            Hi Tom,

            Thanks for the quick response. I'll look more closely at the latches and give it a shot.

            Thanks,
            Ira
            Ira Lippel
            45858

            Comment

            • Ira L.
              Frequent User
              • May 31, 2006
              • 30

              #7
              Re: 67 Hood Latch problem

              Originally posted by Michael Johnson (49879)
              You can also add washers or spacers behind the firewall mounting bolts of the latches to adjust the front-back fit. They didn't build these cars with close tolerances and tight fit and finish you know

              Thanks, Michael, I think I'll try the pin adjustments first. But, I know what you mean about the "exact manufacturing tolerances" utilized during the 60's.

              Ira
              Ira Lippel
              45858

              Comment

              • Ira L.
                Frequent User
                • May 31, 2006
                • 30

                #8
                Re: 67 Hood Latch problem

                Originally posted by Stephen Lavigne (7553)
                Your problem might be as simple as an adjustment of the cross hood release cable..... possibly a little tight.

                Stephen,

                Thanks for the suggestion, I'll check it out.

                Ira
                Ira Lippel
                45858

                Comment

                • Ira L.
                  Frequent User
                  • May 31, 2006
                  • 30

                  #9
                  Re: 67 Hood Latch problem

                  Originally posted by Jack Humphrey (17100)
                  Latch pins need to be CENTERED in the catches and extended sufficiently for the catch to close around the back side of the pin. Adjusting the pin length is pretty simple (rotate the pin on its threads into/out of the pin holding plate.

                  Adjusting the pin to catch centering profile is bit trickier. There's some adjustment where the catch attaches to the firewall and you can use shims as others have suggested. But, here's my technique...

                  Wrap the catch assy with aluminum foil. Now, carefully and SLOWLY close the hood until the latch pin leaves an impression in the foil covering the catch.

                  Raise the hood and visually inspect where the tip of the latch pin is with respect to the CENTER of the catch opening. Make required adjustment(s) until you do obtain a solid centering profile.

                  Last, NEVER fully close/latch the hood until the catch to firewall and latch to hood fasteners are FULLY tightened! Failure to do this can result in catch closing/holding the pin with catch and/or latch free to move around and failing to release when you pull the release handle... If you accidently get to this point, you're going to HATE yourself, because it's a major chore get the catch open again and release the hood catch pin!!!


                  Jack,

                  Thanks for the detailed response, especially for the warning about hood fasteners. Sounds like that would be a mightmare!

                  Ira

                  Thanks,
                  Ira
                  Ira Lippel
                  45858

                  Comment

                  • Michael J.
                    Extremely Frequent Poster
                    • January 27, 2009
                    • 7073

                    #10
                    Re: 67 Hood Latch problem

                    Originally posted by Ira Lippel (45858)
                    Jack,

                    Thanks for the detailed response, especially for the warning about hood fasteners. Sounds like that would be a mightmare!

                    Ira

                    Thanks,
                    Ira
                    Wow, I guess. I have often wondered how you get the hood open if the latches stick or the cable breaks or gets loose. That would be a major problem alright!
                    Big Tanks In the High Mountains of New Mexico

                    Comment

                    • Terry M.
                      Beyond Control Poster
                      • September 30, 1980
                      • 15573

                      #11
                      Re: 67 Hood Latch problem

                      Originally posted by Michael Johnson (49879)
                      Wow, I guess. I have often wondered how you get the hood open if the latches stick or the cable breaks or gets loose. That would be a major problem alright!
                      That would be a good Restorer article -- how to open the hood when all else fauls. I know about C3s, but not a clue about mid-years.
                      Terry

                      Comment

                      • Kirk M.
                        Extremely Frequent Poster
                        • June 30, 2006
                        • 1036

                        #12
                        Re: 67 Hood Latch problem

                        Along those lines, my hood release cable broke a couple of years back. So, I couldn't get my 67's hood open. Funny thing is that my mechanic buddy who helps me on many of my projects is always complaining about the fact that my car has air conditioning - it really complicates spark plug changes, shielding removal and re-installation and so on. However, in this one case it saved the day. How? Because AC cars had their batteries moved to the driver's side to create more room for the compressor and when they did that they installed a battery access panel in the driver's side wheel well. So, off came the access panel and from there is was an easy reach to the cable and open came the hood. If the access door hadn't been there, I was told I was going to need a very long screw driver and some patience! Not sure exactly how that would have worked though.

                        Kirk

                        Comment

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