mad_pete Posted March 11, 2018 Share Posted March 11, 2018 Now I have the dash off I’m seeing more daylight through the bulk head from the engine bay through unused holes and wide cable runs than I would like. What do people use to seal things like this up with? Quote Link to comment Share on other sites More sharing options...
monkie Posted March 11, 2018 Share Posted March 11, 2018 I use a hot glue gun. It seals the holes but you can the wires out again when you need to. Quote Link to comment Share on other sites More sharing options...
Scotts90 Posted March 11, 2018 Share Posted March 11, 2018 Dumdum is my sealant of choice (think it's no longer made though)...butyl mastic strips I think is what you can get it in these days. Quote Link to comment Share on other sites More sharing options...
GW8IZR Posted March 11, 2018 Share Posted March 11, 2018 I use this stuff, been using it on cables , even under water for years and its never let me down. http://solutions.3m.co.uk/wps/portal/3M/en_GB/ElectricalMkts/ElectricalSupplies/products/electrical-tapes/mastic-tape/scotchfil-putty-insulation-tape/ Quote Link to comment Share on other sites More sharing options...
Peaklander Posted March 12, 2018 Share Posted March 12, 2018 Yes DumDum is great and luckily I have half a tin left but I also use silicone like this RTV which some won’t like but it behaves well and can be peeled off / out. However I do like that tape ^^^^^ Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 15, 2018 Share Posted March 15, 2018 New grommets. 1 Quote Link to comment Share on other sites More sharing options...
reb78 Posted March 15, 2018 Share Posted March 15, 2018 Plumbers putty can work well over holes like those. Quote Link to comment Share on other sites More sharing options...
Peaklander Posted March 15, 2018 Share Posted March 15, 2018 If you mean plumbers mait, it doesn’t stop moving! It tends to dribble, slowly, downwards! Quote Link to comment Share on other sites More sharing options...
reb78 Posted March 15, 2018 Share Posted March 15, 2018 I’ve used it on various things. It needs an occasional prod but it does the job. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 16, 2018 Share Posted March 16, 2018 Sugru? 1 Quote Link to comment Share on other sites More sharing options...
Mutley Posted March 16, 2018 Share Posted March 16, 2018 So HOW does SUGAR work then!?! 😁 Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted March 16, 2018 Share Posted March 16, 2018 Proper cable gland... Quote Link to comment Share on other sites More sharing options...
Jon White Posted March 18, 2018 Share Posted March 18, 2018 Just leave them. There’s about a million other holes anyway. If you’re worrying about water getting in then by the time it’s deep enough for that then you’re arse is getting wet anyway..... 1 Quote Link to comment Share on other sites More sharing options...
mad_pete Posted March 19, 2018 Author Share Posted March 19, 2018 It’s for the noise and general engine bay nastiness I don’t want coming into the cab. I am going round and looking to seal up all the holes I can find. I think I’m down to a couple of hundred left.... Quote Link to comment Share on other sites More sharing options...
dave88sw Posted March 19, 2018 Share Posted March 19, 2018 I hope you don't mind me tagging on this thread, my dads lost the grommet plates you have pictured above during his bulkhead change. I've just found the price for new ones (£30 each!!) and can't really afford to spend that much. Does anybody know the part number for the later td5 ones which are all rubber and just squeeze into the oval tubes behind? Or does anyone have a completely different alternative? Quote Link to comment Share on other sites More sharing options...
Mutley Posted March 19, 2018 Share Posted March 19, 2018 Could you not get some aluminium plate or thin metal sheet cut it to size, then mark the fixing holes and drill, then drill x3 large holes for the cables? It doesn't look anything special maybe wrong. 1 Quote Link to comment Share on other sites More sharing options...
mad_pete Posted March 19, 2018 Author Share Posted March 19, 2018 You could try a breakers. I’ll check I might have a spare one from my bulkhead change you could have. Did you need both ? I think I only have one but that’s would a start. Quote Link to comment Share on other sites More sharing options...
Tanuki Posted March 19, 2018 Share Posted March 19, 2018 Back in the days when I played with rally-cars, some scrutineers were really rather obsessive about any holes in the 'firewalls' between the engine/boot-compartments and the driver-space. "In a crash, burning petrol /hot oil/boiling coolant could run through...." Significant gaps, process-holes etc. had to be plated over [25-gauge steel sheet and pop-rivets] and sealed, usually by sandwiching fireproof-resin-impregnated fibreglass mat behind the plate before the pop-rivets went in. But sometimes gaps remained. It was quite normal therefore to take a packet of Blu-Tack along to scrutineering so if the scroot found a hole/crack/gap he disliked you could easily bung it up. Quote Link to comment Share on other sites More sharing options...
mickeyw Posted March 19, 2018 Share Posted March 19, 2018 Some of the grommets you are looking at are fitted when the loom is built, before any crimps and connectors are fitted. Therefore they are not a simple job to replace. The one around the speedo cable normally comes pre-fitted over a new drive cable. The heater control one should be accessible enough, although I have yet to find a source of that sized grommet. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 19, 2018 Share Posted March 19, 2018 On 16/03/2018 at 7:47 PM, Mutley said: So HOW does SUGAR work then!?! 😁 Put your reading glasses on: https://sugru.com/about/ Quote Link to comment Share on other sites More sharing options...
Mutley Posted March 19, 2018 Share Posted March 19, 2018 5 hours ago, FridgeFreezer said: Put your reading glasses on: https://sugru.com/about/ Will do......Arrgh That's better!.... SUPERGLUE now it starts to make sense!?! 😉 Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 20, 2018 Share Posted March 20, 2018 Ah but it's not superglue - it's like blu-tack that sets more like hard rubber. If you want it not to stick to something, you can rub vaseline or wrap it in something (cling film, masking tape, etc.) before sticking sugru in the gap to form a custom cable seal. They have a few tips / tricks like that on their website. It's good stuff, I try to keep a pack or two in the toolbox. Only real problem is it has a short-ish shelf life. 1 Quote Link to comment Share on other sites More sharing options...
reb78 Posted March 20, 2018 Share Posted March 20, 2018 What about sikaflex or similar. It'd be a sod to get off if you ever need to, but chances are you wont be replacing the cables as they run through very often. Dispense a load of the stuff around the cables mould it to cover the holes and get in between the cables and let it set before you go for a drive and let the engine bay get hot. Any silicone type of sealant would probably do, but sikaflex would certainly stick to everything and seal the hole. Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted March 20, 2018 Share Posted March 20, 2018 Rubber grommet, cut, put round loom, superglue together. Quote Link to comment Share on other sites More sharing options...
dave88sw Posted March 20, 2018 Share Posted March 20, 2018 On 3/19/2018 at 9:16 AM, mad_pete said: You could try a breakers. I’ll check I might have a spare one from my bulkhead change you could have. Did you need both ? I think I only have one but that’s would a start. I appreciate the offer but i've just emailed a breaker asking about a number of parts and he can do both for a very reasonable price so i think i'm all sorted. Thanks anyway. Quote Link to comment Share on other sites More sharing options...
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