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[Solved] VW Passat B5 FL: Trunk Lid Lock Insert Issue & Disassembly Guide - Brands, Manuals, Key Jam

Michał844 11490 9
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How can I disassemble and clean a jammed VW Passat B5 FL trunk lid lock insert that the key barely enters and won’t turn?

Yes, the lock insert can be dismantled and cleaned; the likely cause is oxidation/seizure from being unused and unlubricated. Try freeing it with WD-40 or oil first, and kerosene was also recommended for soaking and cleaning the mechanism [#17161458][#17161492][#17162668] One reply notes that the lock cylinder/mechanism is similar across this VAG era, and that the aluminum body and brass parts can weld together from corrosion [#17162668] A video guide for dismantling the trunk lock was also linked as a practical help for the removal process [#17161492] Be careful with WD-40 on painted surfaces, and if it still won’t move, the next step suggested was to gently dismantle and clean the insert [#17162668][#17163227]
AI summary based on the discussion. May contain errors.
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  • Trunk lock insert jammed after lid swap

    #1 17161315
    Michał844
    Level 6  
    Posts: 80
    Rate: 43
    Hello, I changed the trunk lid at home, it's time to move the insert what turned out as I pulled out something touched me to check if it works, I put the key in the insert hard to enter, I do not want to turn.
    Is it possible to disassemble it as it is jammed, and maybe such an option that if it is removed does not work before I remember it worked, but I did not use it at all, so I do not know when it was operational, there are some manuals for disassembly of the insert and cleaning it
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  • #2 17161458
    tomjed
    Level 28  
    Posts: 1065
    Help: 81
    Rate: 303
    Well, if you didn't use or lubricate it oxidized and tarnished. Will be hard. Try to piss WD, maybe with oil. Maybe it will move.
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  • #4 17161517
    Michał844
    Level 6  
    Posts: 80
    Rate: 43
    He will treat WD and see what will be the best then at night I will leave in some oil or oil.
    storgi this is a link to a completely different insert than in the B5 FL
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  • #5 17161777
    storgi
    Level 9  
    Posts: 6
    Rate: 5
    Actually this one is from B5 but I think "gutters should not be too different and the way the insert is fastened ....
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  • #6 17162568
    Michał844
    Level 6  
    Posts: 80
    Rate: 43
    From what I see it is very different

  • Corroded aluminum insert may seize lock drum

    #7 17162668
    tomjed
    Level 28  
    Posts: 1065
    Help: 81
    Rate: 303
    But the insert and "mechanism of action" is the same for the entire VAG group from this period. Of course, the complete mechanisms differ, but the drums are rather the same. The bobbin case is made of amelinium and if it was not lubricated and got salt it oxidized and welded together with the casing. I also suspect that the teeth that are made of brass also "welded" with the drum and that one does not jump into place and locks. Be careful with WD, because it has a bad effect on varnish ...

    pzdr
  • #8 17163227
    Michał844
    Level 6  
    Posts: 80
    Rate: 43
    tomjed thanks for the info.
    The insert is removed so I do not have to think of varnish, from yesterday evening it soaked in kerosene, so I will see maybe something will start, and if I will not use the link to demolish it slowly and clean it gently.
  • #9 17168136
    Michał844
    Level 6  
    Posts: 80
    Rate: 43
    The insert, however, is a bit different and has been damaged
  • #10 17168139
    Michał844
    Level 6  
    Posts: 80
    Rate: 43
    The insert, however, is a bit different and has been damaged

    Added after 38 [seconds]:

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Topic summary

LABEL_AI_GENERATED
The discussion revolves around a jammed trunk lid lock insert on a VW Passat B5 FL. The user reports difficulty inserting the key and seeks guidance on disassembly and cleaning. Responses suggest that lack of lubrication may have caused oxidation, making the insert hard to operate. Recommendations include using WD-40 or kerosene for cleaning and soaking the insert in oil. Some participants note that while the insert mechanism may differ slightly, the general design is consistent across the VAG group vehicles from that era. The user plans to proceed with disassembly and cleaning, although they later mention that the insert appears damaged.
AI summary based on the discussion. May contain errors.
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