How to glue suction cups

RoverTtx

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I live in Texas and the extreme heat tends to make my suction cups fail a lot. I clean my windshield well, and apply them right but they get so hot they just fall sometimes.
A while ago somebody mentioned using a black adhesive to permanently attach the cups but I can't find what. Anybody have Reccomendations for gluing cups down? I don't want the 3m tape.

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RoverTtx

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I believe someone said to use a drop of black rtv silicon in the cups to glue them down

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Carbuff2

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Does anyone know of a source for the 'StickyCups' used by Escort on their mounts, or the same sticky suction cups used by SCOSCHE in with their (very sturdy) phone mounts?


If I knew the right terms I could search for them...
 

DC Fluid

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I live in Texas and the extreme heat tends to make my suction cups fail a lot. I clean my windshield well, and apply them right but they get so hot they just fall sometimes.
A while ago somebody mentioned using a black adhesive to permanently attach the cups but I can't find what. Anybody have Reccomendations for gluing cups down? I don't want the 3m tape.

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Loctite polyurethane adhesive.
Black in a small squeeze tube.
From any large automotive supply store that has silicone and gasket sealant displays.
This polyurethane is the stuff modern windshields are glued into your car with.
I personally find that removing the suction cups and using the 3M or Gorilla mounting tape to be most ridgid for holding detector and eliminating bounces.
Glueing the cups in place still allows some flex and bounce in the cup material/mount fit.
Different story if you are using large single cup mounts. Tape not so useable then.
 

RedHot1LE

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I've got the same problem. This Texas heat! I'm going to try a Permanent Windshield Mount from formulaoneracer001 on eBay. When I was searching around on the forum I found several members recommending them.

 

DC Fluid

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Funny.
Mine would fall off when frozen....
Care to share some heat, point a fan north, we could use some summer here this year.
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Screenshot_20190816-140753_Maps.jpg
 
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Kennyc56

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I vote for the perm Ebay tape mounts! If you clean your windshield with alcohol, press it in place very hard for a couple of minutes and let it sit at least 12 hrs or so, they are bulletproof! I got sick and tired of suction cups a few years ago.and have had no problems at all in summer NC heat or winter cold. The only problem comes when it's time to remove them! I know the OP said he didn't want the tape mounts, but I thought I'd let him know how great they work for me.
 
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DC Fluid

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Dave G

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Remove suction cups and apply gorilla mounting tape. Worked perfect on my DFR9.

Screenshot_2019-08-17-08-06-59-1.png
 

Kennyc56

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I like the mounting location of my cups and the give they have like suspension. Never gotten a mount where I like it without cups

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Funny how we all like different things! I want a mount that I can get as high and tight against my headliner as I can get it that I never have to mess with again with no movement or bounce. To each his own!
 

RoverTtx

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Funny how we all like different things! I want a mount that I can get as high and tight against my headliner as I can get it that I never have to mess with again with no movement or bounce. To each his own!
Normally I like your setup too. With my car If I put it high and near the headliner it gets wacked by the sun visor. So I like a little give. Usually it's almost all the way up on the windshield but the cups offset it enough to help.

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Kennyc56

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Normally I like your setup too. With my car If I put it high and near the headliner it gets wacked by the sun visor. So I like a little give. Usually it's almost all the way up on the windshield but the cups offset it enough to help.

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That's one reason I love my R1's so much. An R7 is just too damn big to fit above the rear view mirror of all 3 of our Mustangs. I still have full use of all of my sun visors. They are also behind tint strips as well.
 

DC Fluid

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That's one reason I love my R1's so much. An R7 is just too damn big to fit above the rear view mirror of all 3 of our Mustangs. I still have full use of all of my sun visors. They are also behind tint strips as well.
I replaced my R3 with R7.
No longer can get sunvisor past it.
 

RoadDogg

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I have had a problem with my suction cups staying on in the heat too. I normally take my detector down when not in use. I recently soaked my CR97 and R3 suction cups in water with dishwashing soap overnight and let them dry on a paper towel. I also cleaned my Max360c windshield mag mounts as well with soap and water. My Max360c windshield mag mounts have given me more of a problem falling off of the windshield. My R3 suction cups (I use the smaller mount with two small suction cups) are working great and seem “like new” again, and it has helped keep my Max360c windshield mount in place keeping it clean. I haven’t tried the CR97 suction cups yet.

I haven’t thought about trying glue or adhesive because I normally use and alternate between several different detectors, but if you just use one particular detector, that would be a great option.


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RoverTtx

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I have had a problem with my suction cups staying on in the heat too. I normally take my detector down when not in use. I recently soaked my CR97 and R3 suction cups in water with dishwashing soap overnight and let them dry on a paper towel. I also cleaned my Max360c windshield mag mounts as well with soap and water. My Max360c windshield mag mounts have given me more of a problem falling off of the windshield. My R3 suction cups (I use the smaller mount with two small suction cups) are working great and seem “like new” again, and it has helped keep my Max360c windshield mount in place keeping it clean. I haven’t tried the CR97 suction cups yet.

I haven’t thought about trying glue or adhesive because I normally use and alternate between several different detectors, but if you just use one particular detector, that would be a great option.


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I run a V1 and an r1 or r3. I have gotten accustomed to leaving them mounted in the car 24/7 but my worst fear is having one fall off and either tear the headliner with the cable or break the device. That's why I want glue.


My cars mirror is mounted at the top of the windshield so there's no space above it, thus my detectors are off to the side and in the way of the visor.


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DC Fluid

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I got my R7 yesterday and got it mounted to the RAM magnetic mount.
The R3 moved around less because the shape of the bottom allowed the housing to sit tight down onto the RAM base, the steel plate not quite bottoming out onto the magnet surface.
R7 has a flat bottom and the steel plate goes completely down to the magnets, leaving a small gap under the detector housing.
This let's the R7 pivot around in the mount, not staying straight.
So I added some polyurethane glue to the sides of the plate to tighten up clearances side to side in the magnet pocket.
Success! Snaps into place and very little wiggle room.
Caution! Polyurethane glue is runny and sticky. It can be messy and hard to clean up.
Squeeze out an amount onto a disposable item, then use a disposalbe applicator to carefully apply around your item. Smooth it out carefully with lots of spit on your finger like doing silicone caulking, but remember this is way runnier and sticky.
Let dry an hour and away you go.
Use this glue on windshield for any permanent mounting.
I used Gorilla tape as it has equal or better specs than the 3M equivalent.
Pics
View attachment 124877View attachment 124878View attachment 124881View attachment 124882View attachment 124881View attachment 124882
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Reason for Gorrila tape is that I have applied the steel plate to 3 detectors now....
This is the glue and tape for all mounting woes.....
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That's better viewing.
20190706_131044.jpg
 

TomsMoComp

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I vote for the perm Ebay tape mounts! If you clean your windshield with alcohol, press it in place very hard for a couple of minutes and let it sit at least 12 hrs or so, they are bulletproof! I got sick and tired of suction cups a few years ago.and have had no problems at all in summer NC heat or winter cold. The only problem comes when it's time to remove them! I know the OP said he didn't want the tape mounts, but I thought I'd let him know how great they work for me.
This technique of using dental floss worked well for me for removing 3M VHB:
 

Kennyc56

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This technique of using dental floss worked well for me for removing 3M VHB:
I'll have to try that next time! I've been using a thin plastic spatula we got from home depot that works, but always seems to bend the bracket.
 

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