im just going through round 4 of replacing sensors and connectors on my 2015 T5 - quite frustrating. every time there is heavy rain i lose one or two sensors. has anyone tried sealing them in better? shrink wrap/ motoX foam even in bumper space?? its extremely frustrating to mess with this stuff every few months....im concerned about them airing out to dry as well.
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Silicone grease.
Don’t use oil based products like WD40 as the seals will swell and distort.
around the outer (rear facing) top-hat surface seal area? the water ingress always seems to be under the connection cover in mine (the wee black plastic 2 clip skirt thing) and in the 3 pin plug area too. id assumed it came from spray from tyres - but ill certainly try sealing the outer top-hat seal as well! - thanks!
just feeding back after numerous replacements of rear parking sensors and frequent problems. i ran the van without the interior panel for some months and discovered either condensation or water collecting on the cable area im pointing at in the second pic - which was dripping onto the loom for the parking sensors. you couldnt really see but could definitely feel it. i started by making a simple shroud for the loom that sits directly under from electrical tape and since - many months of rain - no issues since. maybe this will help someone else!
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