A few tips for re-installing or repairing rain sensor - Club Lexus Forums

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A few tips for re-installing or repairing rain sensor

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Old 09-28-13, 11:38 AM   #1
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Thumbs up A few tips for re-installing or repairing rain sensor

Two years ago I had my windshield replaced in my 02' UL due to stone damage. A good friend owns a glass shop and did the work. He was able to install my rain sensor and it has worked flawlessly ever since. I know this is not always the case as three members emailed me in the last month asking about how he replaced. I had a thread from back then with some info, but I saw my friend this week and picked his brain.
He shared a few tips on reinstalling the rain sensor that may help if you need to do the same. Many insurance companies will not pay for OEM windshields so if you are replacing you need to mount the bracket to the glass. The first step is to remove all adhesive from the bracket using a razor. He pulled the small black retainer clip under the sensor and the bracket pulled right out. Once the bracket was cleaned by the razor he wiped it down with acetone. He wiped the windshield area where he was to install the bracket with acetone as well. He applied krazy glue to the bracket and held it in place for 5 minutes. Then he heated it with a heat gun for 2 minutes.
Next he took the clear plastic membrane that mates with the glass and placed it in a plastic cup. He filled the cup with mineral oil from Ikea. Yes, Ikea. It is called SKYDD. He told me he has used a dozen or so oils and this one is the best. He let the membrane sit in the oil for 5-6 minutes and while it sat, he used a micro paint brush to coat both the glass and the sensor back with the same oil.
He connected the wire and replaced the sensor. He then looked at the glass on the outside to check for air bubbles. This is very important. If you see any bubbles he said to take the heat gun and work it on the outside of the glass back and forth until the bubbles disappear.
He installed my sensor 2 years ago and she works great!

Email me with any questions.

Every part on your car is broken, you just don't know it yet...

Last edited by BT3100; 09-28-13 at 07:23 PM.
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Old 09-28-13, 06:54 PM   #2
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A hearty THANK YOU for taking the time to post this. I don't need to use this info now but it'll surely help someone that finds themselves in this situation.
Cars: 2001 LS430 UL Silver/Ecru (Sold); 2003 LX470 White/tan; 2006 SC430 Black/Saddle; 2004 RX330; 2008 Toyota Sienna Ltd; 2004 RX330
Cycles: 1999 Honda Valkyrie Interstate, 2000 Honda Valkyrie Supercharged; 1986 Yamaha V-Max; 1965 Honda 305 Dream
Bicycles: Specialized Tarmac
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Old 09-30-13, 06:57 AM   #3
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Yes... thank you for taking the time to research this and post it...
1. 2004 Mercury Metallic LS 430 - 52K and counting...slowly
2. 2002 Millennium Silver LS 430 - 150K
3. 2004 Toyota Tundra...111K
4. 2000 Mazda Miata 5 spd... the new daily driver.
5. 1998 LS400 Pearl White and back in the saddle at 207k
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