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mark d Samba Member

Joined: February 06, 2013 Posts: 236 Location: Costa Rica
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Posted: Sun May 18, 2025 4:15 pm Post subject: Door opens by it self on bumpy roads ? |
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Yes i used search. There were 39 hits. If the answer is there I missed it.
1972 Westfalia (the one in the photo) she opens the drivers door on her own on bumpy gravel roads...maybe she is trying to tell me something ?
also occasionally when i try to close the drivers door it acts like it is hitting something solid. the piece that goes in the striker is in the correct position when this happens
as always any help would be appreciated thanks,
Mark _________________ 1972ish westfalia
"what good are tractors without violins ?" jose figueres |
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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52569 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Sun May 18, 2025 4:48 pm Post subject: Re: Door opens by it self on bumpy roads ? |
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There really isn't a better way to describe door latch and striker check and adjustment than what is in the Bentley manual, it describes not only the latch's interaction with the striker but the part that pull rod and inner handle position plays, it even has pictures.
If you get all those properly dealt with and it still does it then latch wear is the next suspect. _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
Слава Україні! |
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mark d Samba Member

Joined: February 06, 2013 Posts: 236 Location: Costa Rica
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Posted: Sun May 18, 2025 4:53 pm Post subject: Re: Door opens by it self on bumpy roads ? |
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busdaddy wrote: |
There really isn't a better way to describe door latch and striker check and adjustment than what is in the Bentley manual, it describes not only the latch's interaction with the striker but the part that pull rod and inner handle position plays, it even has pictures.
If you get all those properly dealt with and it still does it then latch wear is the next suspect. |
thanks busdaddy. i will check my bentley when i get home. on my ship for another week _________________ 1972ish westfalia
"what good are tractors without violins ?" jose figueres |
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mikedjames Samba Member

Joined: July 02, 2012 Posts: 3262 Location: Hamble, Hampshire, UK
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Posted: Mon May 19, 2025 11:14 am Post subject: Re: Door opens by it self on bumpy roads ? |
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Lubrication might have something to do with it, I have had a sliding door that bounced and failed to lock until I lubricated the whole lock.
Alternatively the whole lock and striker are somehow adjusted so far out of alignment that it is only catching on the first detent..
All the locks on a VW originally have two detents for safety, quite often a front door can fail to go to the second detent if the rubber seal is stiff and it is closed too gently.
I have also had the striker on my sliding door worn half through causing the lock to bounce or fail to shut..I built it up with weld metal and filed it down. _________________ Ancient vehicles and vessels
1974 VW T2 : Devon Eurovette camper with 1641 DP T1 engine, Progressive carb, full flow oil cooler, EDIS crank timed ignition.
Engine 1: 40k miles (rocker shaft clip fell off), Engine 2: 30k miles (rebuild, dropped valve). Engine 3: a JK Preservation Parts "new" engine, aluminium case: 26k miles: new top end.
Gearbox rebuild 2021 by Bears.
1979 Westerly GK24 24 foot racer/cruiser yacht Forethought of Gosport.
1973 wooden Pacer sailing dinghy |
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KTPhil  Samba Member

Joined: April 06, 2006 Posts: 35704 Location: Conejo Valley, CA
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Posted: Mon May 19, 2025 11:39 am Post subject: Re: Door opens by it self on bumpy roads ? |
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Order seat belts ASAP. _________________ Current Fleet:
- '71 Fastback
- '69 Westfalia
Retired:
- '67 Beetle
- '65 Beetle (x2)
- '65 Bus
- '71 Squareback |
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Bnanwel Samba Member
Joined: November 10, 2022 Posts: 249 Location: Ft Lauderdale
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Posted: Mon May 19, 2025 11:44 am Post subject: Re: Door opens by it self on bumpy roads ? |
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x2 on above. This is especially true with a lot of the replacement rubber. Sometimes you get rebound before the second detent catches. Close the door from outside lightly so only the first catches and then again harder so that you can “see” the difference. I would bet that is your problem. _________________ ‘72 Karmann Ghia Conv.
‘73 Karmann Ghia Coupe
‘74 Karmann Ghia Coupe
‘70 Deluxe
‘72 Deluxe |
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mark d Samba Member

Joined: February 06, 2013 Posts: 236 Location: Costa Rica
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Posted: Mon May 19, 2025 2:37 pm Post subject: Re: Door opens by it self on bumpy roads ? |
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Thanks guys, will try all when I get home next week _________________ 1972ish westfalia
"what good are tractors without violins ?" jose figueres |
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Abscate  Samba Member
Joined: October 05, 2014 Posts: 23602 Location: NYC/Upstate/ROW
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Posted: Mon May 19, 2025 3:04 pm Post subject: Re: Door opens by it self on bumpy roads ? |
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Check the M plate to see if the Bus was made with the MIL code' for the military market, _________________ 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🍊 🍊 🍊 |
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Bnanwel Samba Member
Joined: November 10, 2022 Posts: 249 Location: Ft Lauderdale
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Posted: Mon May 19, 2025 8:09 pm Post subject: Re: Door opens by it self on bumpy roads ? |
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Out of curiosity, do mil spec doors open by themselves to allow faster deployment? _________________ ‘72 Karmann Ghia Conv.
‘73 Karmann Ghia Coupe
‘74 Karmann Ghia Coupe
‘70 Deluxe
‘72 Deluxe |
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Abscate  Samba Member
Joined: October 05, 2014 Posts: 23602 Location: NYC/Upstate/ROW
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Posted: Tue May 20, 2025 5:18 pm Post subject: Re: Door opens by it self on bumpy roads ? |
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No, but they operate to command “ fall out”
Thanks for playing! _________________ 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🇺🇸 🍊 🍊 🍊 |
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