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Headlight fixing screws

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Uponblocks
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Uponblocks PCGB Member
2019/01/19 17:50:07 (permalink)

Headlight fixing screws

Hi all, 
hoping someone can help????
I've just replaced the H4 bulbs on my 964. 
I purchased new retaining screws as old ones were corroded (part number 911 631 033 00 - headlamp inner screw) but I cant seem to find a way to attach them to the lug on the bottom of the headlamp cavity.  
Is the lug in the cavity - see attached picture (not my car btw) supposed to have a thread?? if so, mine doesn't, looks like they might have been drilled out at some point? or is there supposed to be some sort of speed clip nut attached to the lug? 
 
help!
 
thanks in advance.

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8 Replies

PaulR964
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Re: Headlight fixing screws 2019/01/20 08:36:19 (permalink)
Hi.  Yes the tag you are referring to is, in my car - white 964 like the photo, threaded.  I have recently renewed my H4 bulbs hoping for some improvement (the thought triggered by the metallic build-up inside Christmas decoration lights!); the improvement's small, and I think mainly attributable to improving the aim.  Back to the fixing screw lug/tag, when refitting the headlights I found it quite difficult to get the screw at the correct angle to prevent cross threading, and because the tag is quite thin, it wouldn't be difficult to form a new thread, which is something you might get away with once or twice but it doesn't surprise me to read your story.  It would be interesting to know how you end up solving it; I assume there must be some suitably threaded clips available.
 
...Paul.  
T911UK
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Re: Headlight fixing screws 2019/01/20 09:34:36 (permalink)
Use a speed nut or glue a normal nut to the tag

www.type911.co.uk
993 Turbo
964 C4
911 SC Targa - Backdate to 1971
911 SC Targa - Minted
Cayenne Turbo S
Boxster 987 2.7
Dekker
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Dekker Guest of the Club
Re: Headlight fixing screws 2019/01/20 12:13:00 (permalink)
Between the tag and the headlamp rim is a standoff, 1st you screw the standoff into the tag then mount the headlamp and srew that to the standoff. As a fix you can get a self tapper of appropriate length so you can secure the headlamp but don't screw it hard up onto the tag otherwise you'll distort the headlamp rim. A prper fix is to get a speednut that fits over the tag and use the standoff or a blob of weld and drill and tap the tag so the standoff screws home.
Use plenty of copperslip.
post edited by Dekker - 2019/01/20 12:14:24

David Bladon
964 C4 Cabriolet Cobalt Blue
964 C2 Coupe Marine Blue
SAAB 900 T16 Ruby 1993 all weather
Uponblocks
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Re: Headlight fixing screws 2019/01/25 18:10:35 (permalink)
David -
do you happen to know the part number for the "standoff" you mention?.... failing that a picture or image?
Thanks. 
911 targa
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911 targa Guest of the Club
Re: Headlight fixing screws 2019/01/25 18:46:02 (permalink)
My nuts stripped so a local machine shop to make exstended thread units and fitted nuts on the backs
Paul 
T911UK
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Re: Headlight fixing screws 2019/01/26 09:42:13 (permalink)
Think he means the bolt? There isnt anything else in there
post edited by Dekker - 2019/01/26 11:06:53

www.type911.co.uk
993 Turbo
964 C4
911 SC Targa - Backdate to 1971
911 SC Targa - Minted
Cayenne Turbo S
Boxster 987 2.7
Dekker
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Dekker Guest of the Club
Re: Headlight fixing screws 2019/01/26 11:09:29 (permalink)
T911UK
Think he means the bolt? There isnt anything else in there


 
I do indeed.   911 631 033 00 but check with your local OPC.
Note that there are 2 x nylon washers to help stop galvanic corrosion.

David Bladon
964 C4 Cabriolet Cobalt Blue
964 C2 Coupe Marine Blue
SAAB 900 T16 Ruby 1993 all weather
ghia70
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ghia70 PCGB Member
Re: Headlight fixing screws 2020/10/26 18:23:02 (permalink)
Hi, 
Have the same issue on a 912 SWB - does this also have the standoff originally or just a longer screw into the threaded tab.
Thanks
 
Danny
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