How to stick suction cup mounts that won't stick


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canderson

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Joined
Dec 28, 2007
Messages
11,355
Location
Colorado, USA
TomTom Model(s)
GO720, GO740TM Live, GO 1535 Live, Via 1535, Via 1605, GO 52, GO 600, GO 620, GO 630, TomTom Bridge
Although that's not always why they don't stick, and if trying to resolve the above, a hair dryer really is the better solution.
 
Joined
Mar 1, 2011
Messages
22
Location
Quebec province
TomTom Model(s)
XL 350 2G TTS
Did you try with air dryer ? it could be not hot enough?

I try with a lighter, it is easy but I was afraid.

Before, my cup hold my Tom-Tom not more than 15 minutes.
After I test with my T-T and cup hold it more the 5 hours when I removed and was alway sticky
 
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canderson

Moderator
Joined
Dec 28, 2007
Messages
11,355
Location
Colorado, USA
TomTom Model(s)
GO720, GO740TM Live, GO 1535 Live, Via 1535, Via 1605, GO 52, GO 600, GO 620, GO 630, TomTom Bridge
Hair dryer, properly applied, will be hot enough.

Shape is one thing, and the better mechanisms will retract the center sufficiently to avoid flattening.
Other things to keep in mind:

Avoid abrading the inside surface of the cup. Never wipe with a dry towel. If/when cleaning it up, always use liquid only (preferably water, perhaps a dash of dish soap) and let it air dry. When storing it, avoid placing the inside of the cup against other objects. Yeah, it's a nice elastomer, but it depends upon zero leaks, and roughing up the surface, especially around the vulnerable outside edges, is an issue.

When storing, avoid locations where any dust could accumulate on the inside of the cup -- if you don't have to clean it, so much the better.

Another huge reason for suction loss -- temperature changes. When possible, install when warm, not cold. If installed 'cold', the increased temperature when taking the device into a hot sunny day will increase the pressure of the remaining air under the cup. That reduces the suction considerably -- and repeating this can cause it to release completely..
 
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Joined
Mar 1, 2011
Messages
22
Location
Quebec province
TomTom Model(s)
XL 350 2G TTS
WD40 , for my succion cup I check everything you write and long time before I use lighter.
Nothing work except lighter
 

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