Does your DP have two (2) door jam striker bolts? One up near the top and one mid jam?
I have installed many of my new striker bolts over the past three years and many of the original striker bolts were misaligned or the "Hex head bolt" was not far enough extended to be interference free (from the door latching mechanism) on the inside end of hex head - simply adding a spacer washer could solve this problem. This caused many closing problems on the rigs I have looked at. Also, many of this bolts, if fixed securly in their installation were never set properly at the factory to begin with.
Here is "Oemy's"
web site of the new bolt design, in the "DIY" section.
Door Striker Upgrade
I got this idea from Max Hubrich. He, like some others, has ripped one or more shirts or lost some skin to the door striker on our Newmar coaches. The end of the striker is shaped like bolt head but it is very thin and kind of sharp. What we have found is this same door striker is used on many other RV's. We have found that some DP's need a slightly longer threaded section. So, if you need the long version please indicate that in your email.
If you think you may want to order one from the dealer read the following that was posted on IRV2.com.
"The stricker bolt on my entrance door latch is showing signs of wear. I have also had this part called a shoulder bolt. I have a 1999 gas Mt. Aire. I called a local Newmar dealer and they want $44.00 for this bolt. I tried calling Newmar direct, but they will not deal with a customer unless at a rally. Anyway, does anyone know of a source for a replacement bolt. I have tried auto dealer, parts store and lawnmower repair shop.
Tom Van de Bussche
Get one Free - Order Instructions
But, Max went out to his shop a came up with a bull nose design with 3/8" machine flat to allow you to use a wrench to tight it up when installing it.
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I suggest you remove one, or both (if you have two), of these bolts and closely examine them to look for interference problems and readjust them accordingly.
When adjusting these bolts make sure the coach is level as you would have it while living in it.