2004 chevy avalanche what glue to reattach the rearview mirror
The traffic seems unusually light this morning. In fact, you oasis't seen another motorcar to the rear for x miles. Time to brand a little time.
Just then there's a strange noise following you. Sounds like a siren. Hmmm. No lights backside you, so where is that sound coming from?
It's coming from the police car that's riding your tail. Y'all didn't run into it because your glued-on rearview mirror isn't on the windshield. Information technology's lying on the floor under the seat where your four-year-old has hidden it later discovering he couldn't do chin-ups on it. Tell that one to the judge.
Reattachment
Luckily, gluing your rearview mirror back on is ane of the easiest jobs for a Saturday mechanic. What you need nigh is patience and a clean working environment. Warm weather helps, too, only information technology isn't mandatory.
Beginning past running down to your local car parts store and picking upward a rearview-mirror adhesive kit. It'll come with a vial of superstrong mucilage and a vial of accelerant to help the glue cure very chop-chop. There are usually instructions on the back of the cardboard packaging, too, should y'all need some guidance. You'll also need a razor-blade-type scraper, a pocket-sized Allen wrench that fits the lockscrew on your mirror's baseplate, a grease pencil or some masking tape and, depending on your detail circumstances, a tape measure and a heat gun or pilus dryer.
Prepare?
Prepare to piece of work outside with the windows open, as the adhesive kit will probably comprise acrylic acid, methacrylic ester and trichloroethylene, which y'all don't desire to breathe in large quantities.
Considering the adhesive cures faster in warm ambience temperatures, plan on using the heat gun or hair dryer to warm the glass if you're forced to do this chore on a cold solar day. But utilize common sense. Water ice-cold glass will not appreciate beingness blasted by intense heat. You'll well-nigh definitely crack the windshield this mode. To avert this, hold the heat gun or hair dryer near 12 to 18 in. away from the drinking glass and waft the warm air back and along to gradually increment the drinking glass temperature. And make sure to scrape off the old glue earlier warming the drinking glass or yous'll create a gooey mess. An culling is to park the car facing the sun for a few hours before beginning the job.
If the quondam mirror left backside an obvious amount of residue on the inside of the glass, you won't need the tape measure out to locate the midpoint of the windshield. But if y'all, say, forgot to mark the spot earlier you cleaned the drinking glass completely, simply mensurate halfway across the peak of the window and about 3 to iv in. down from the headliner, and that will be your new mounting point.
You can begin the remounting process by marker the outside of the window with a grease pencil over the area where the old mucilage is. Or yous tin can cordon off the area on the inside with masking tape. (Some sort of mark is useful should you get interrupted subsequently removing the old mucilage.) The latter is the neater way to piece of work, but get out acceptable room around the work expanse for scraping and cleaning. Now, become at the sometime gum with your scraper. Once you're downward to shine glass again, wipe the spot down with isopropyl alcohol to get it squeaky clean. Practise the same matter on the back of the mirror baseplate so that you have clean metallic to work with. Don't touch either surface once it's cleaned or the oil that comes off your fingers will contaminate it.
The acceleration phase
The accelerant (primer) vial will have a double wall of plastic. The inside wall is designed to crack open when you lot bend the tube. The exterior wall simply flexes. This allows the accelerant to drench the felt tip of the vial without leaking out all over your hands. Apply the accelerant liberally to the mounting point on the glass. It needs 5 minutes to dry.
In the meantime, use your Allen wrench to undo the lockscrew and release the mirror from its baseplate. It's much easier to glue the baseplate onto the windshield first and install the mirror subsequently. Working with the whole assembly is besides awkward.
One time the baseplate is gratuitous, goop upwardly its flat mounting surface with the accelerant and let it dry, every bit well. Don't touch on either of the treated areas as they're now prepare to take the adhesive, which will cure faster considering of the accelerant.
Adhesive fourth dimension
Now you're fix to apply the adhesive. Neatly goop up the back of the baseplate and advisedly press it onto the glass. Squoosh it effectually just a petty flake to get good adhesion–and keep applying pressure. Don't let get for at least 2 minutes while the adhesive begins to gear up. Then allow it dry for at least some other 15 minutes. If information technology's really cold out, a little warm air from the heat gun or pilus dryer should speed up the curing process. Recollect, 15 minutes is a minimum. It's all-time to let the agglutinative cure every bit long as it is convenient–even overnight–before reattaching the mirror to the baseplate and tightening the lockscrew.
If you lot're a neatnick, trim the excess glue around the baseplate with a knife or one of the corners of your scraper bract. So reattach the mirror and readjust it for a safety rearward view.
Oh. And don't pull on the mirror to see how tightly it's mounted. With Tater'due south Police always in result, you just might rip it off the window over again. Just get out the mirror be–and continue your kid out of the forepart seat. The mirror volition probably stay up there for the life of the car.
Use a scraper or simply a razor blade to remove the quondam gum. This will be easier if the drinking glass is cold–so practice it before warming the windshield.
Applying accelerant to the mounting surface speeds the agglutinative curing. Don't touch the surface with your fingers.
Press on the baseplate firmly for at least 2 minutes to allow the fresh adhesive to start to set up on the drinking glass.
How It Works: The Antiglare Mirror
Most cars and trucks come with a manually dimmable day/night prismatic rearview mirror. You toggle a little lever from the day position to the night position. And the mirror glass is not flat, but rather askew. The top edge is thicker than the lesser edge. Here's how the day/night function works.
In the twenty-four hours position, the paradigm you see is reflected off the silvered surface on the back face of the mirror glass. The image is well-baked and vivid, because the silver provides an almost total reflection (eighty%) of the object.
In the night position, the toggle mechanism tilts the mirror drinking glass upward slightly. Now, the bright day prototype is deflected off the silvered surface and up into the vehicle'southward headliner. And the front (plain glass) surface of the mirror takes over, providing a v% reflective image. Everything appears very dark, but yous tin can all the same monitor traffic backside you lot.
Many carmakers offer an automatically dimming electrochromic rearview mirror that provides an space number of brightness levels. These darken automatically according to ambience light weather condition and the amount of headlight glare. Sensors feed input to electronics that determine how much voltage to apply to a special gel sandwiched between thin layers of reflective glass in the rear and clear glass upwards front. The more than glare present, the more voltage is applied, and the darker the gel becomes.
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Source: https://www.popularmechanics.com/cars/how-to/a87/1272426/
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