How to Glue Rear View Mirrors

Written by allen moore
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Automotive rear view mirrors use a special adhesive to hold their mounting buttons to the inside of the windshield. If the wrong adhesive is used, or the adhesive is improperly applied, the mirror will most likely fall off within the first few hours after mounting. Since a rear view mirror is an important safety feature in your vehicle, you should make sure it's glued on right. Anyone with mechanical aptitude and 25 minutes of free time can glue a rear view mirror onto a windshield.

Skill level:
Moderately Challenging

Things you need

  • Crayon or grease pencil
  • Razor blade scraper
  • Rear view mirror adhesive kit
  • Allen wrench set
  • Rag

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  1. 1

    Mark an outline around the old rear view mirror mounting button on the outside of the windshield using a crayon or grease pencil. If your old mounting button has come off, find a place on the outside of the windshield, between 4 to 6 inches below the top of the windshield, in the centre and draw a small circle.

  2. 2

    Sit in one of the vehicle's front seats. Scrape any adhesive residue off the inside of the windshield where the mirror button attaches using the razor blade scraper. Wipe the area clean when done using the cleaning swab provided in the rear view mirror adhesive kit.

  3. 3

    Wipe the mirror mounting buttons surface with the cleaning swab. Wait one minute for it to dry and then apply a pea-sized dab of rear view mirror adhesive. Allow the adhesive to cure for the time specified on the packaging; usually one to five minutes.

  4. 4

    Hold the rear view mirror mounting button firmly against the windshield for several minutes, as specified in the rear view mirror adhesive packaging. This is also anywhere from one to five minutes.

  5. 5

    Slip the rear view mirror over the mounting button. Tighten the rear view mirror mount set screw with an Allen wrench. Wipe the crayon or grease pencil outline off the outside of the windshield with a rag.

Tips and warnings

  • Certain brands of rear view mirror adhesive require you to wait anywhere from one minute to 24 hours before installing the mirror onto the button after the button is glued to the windshield. Consult your rear view mirror adhesive's specific instructions regarding this before installing the mirror.
  • Be careful not to push too hard on the mirror button when you hold it against the windshield as too much force can crack the windshield.

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