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can you tell me what this brace is?

Stephenjk

Stephenjk

PCGB Member
I was under the rear of my car on Saturday and noticed this rusty looking brace. The rust appears to be mostly surface, so two questions if you can help

1. what is this thing called if i need to replace it?
2. do you think I'll get away with brushing and painting it or is going to need to be replaced?

This is c4 1990 coupe.

BTW i was under there replacing the bumper supports, which i did successfully for one of the two. The other one the screw was rusted in place so any ideas for how to remove? i dont think i would want to get a blow torch under there and penetrating oil didnt help.

thanks
Stephen
 
Are they these that help support the shark fin side trims.

See attachment.
I recently bought a pair of new ones on ebay and had them gloss black powder coated.
There is guy reproducing them and selling them on ebay.

Regards
Dean

 
Stephenjk said:
Mine are pretty much straight so I’m not sure they are the same as those. Could they be the pipe holder 964 504 875 00? I found these as i was searching for the shark fin support you mentioned on ebay. These look more similar to what i have in the picture

https://www.ebay.co.uk/itm/Support-Pipe-Holder-for-Bumper-Rear-Porsche-911-964-Carrera-2-96450487500/162113047510?epid=25005568017&hash=item25beb0cbd6:g:jKoAAOSwd4tTtBDZ
Click to expand...
That looks like the part. When I refurbished the rear end I bought some stainless steel tubing and flattened the ends in a friends hydraulic press.
The only trouble now is the paint gets blasted off by the rain and road grit leaving it shiny, but no rust.

With regards to the stuck screw, drill it out. Often they will free themselves in the process from the heat generated from the drilling.
 
'Support Tube' [Part # 964 504 875 00] is what it looks like. A bracket to support a heat protection piece/shielding. Is your C4 Turbo Bodied?

Remove if you can and wire brush/sand what you can of it. If in reasonable condition then maybe Kurust it and apply a heat resistant Hammerite paint coat. Otherwise, as it's pretty much a straight angled bracket, it should be relatively easy to make up and powder coat.






 
715374d1364392071-rear-bumper-side-braces-where-to-find-pg_0271.jpg
Item 19?
964-RearBumperSupport1.jpg

Is this the type of thing? I had some similar on my 3.2.

Ray
 
mcgc0 said:
'Support Tube' [Part # 964 504 875 00] is what it looks like. A bracket to support a heat protection piece/shielding. Is your C4 Turbo Bodied?

Remove if you can and wire brush/sand what you can of it. If in reasonable condition then maybe Kurust it and apply a heat resistant Hammerite paint coat. Otherwise, as it's pretty much a straight angled bracket, it should be relatively easy to make up and powder coat.
Click to expand...
Thanks. No not turbo bodied, just normal c4.
 
I would suggest you start a separate thread for that. I dont know the answer but you'll likely get more of a response on it's own topic.
 
There is 'how many left', but that will only tell you how many of a certain type of car are still registered in the UK, so not really what you want.
 
Ref screw if you can get pliers to hold the metal bracket that the screw is screwed into you should be able with force be able to undo plus more penetrative oil first.
 
Thanks for all the advice. I bought 2 from carpoint.de for £64 delivered, which I think is pretty good and much cheaper than design 911. I also will try plusgas on the screw and it that doesn’t work will try the tips below. I have been using just penetrating oil but apparently plusgas is more effective.
 
Partial success at the weekend. I got the first bolt out okay the higher of the two. The second bolt was stiff and came out about half way before snapping. Luckily it snapped near the head so it left enough of the body for me to get the new support part with a nut holding it in place. Any suggestions on removing the bolt thread? I was thinking maybe a nut screwed on might work But didnt seem to work (i was also bit wary about force to apply). There isnt enough of the thread to put 2 nuts on to unlock it that way.
 
Try not to use too much force. I tend to screw it back and forth dowsing it with Plusgas each time I screw it in. In your present circumstances your only option I can see is using mole-grips on the stub using the technique above.
Are you any good with MIG welders, you could weld a nut on the end.

 
Yes that is second set of parts from carpoint.de i have bought via ebay. I have some brake backing plates too at half the uk price.

What i really need is a cheap place to buy bolts and screws. I've been using design911 but they are expensive plus charge courier prices for everything so few bolts costs an arm and a leg.

Btw i inon used one of my supports if anyone needs one.
 
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