Rearview mirror install question |
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Rearview mirror install question |
Cevan |
Jul 13 2010, 06:34 AM
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#1
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Senior Member Group: Members Posts: 1,079 Joined: 11-December 06 From: Western Massachusetts Member No.: 7,351 |
My rearview mirror fell off a couple of days ago. I removed the small screw that appears to hold the base onto the rest of the mirror, but they still seem connected .
Also, I bought some 3M rearview mirror adhesive. Is this the right stuff. The part of the base that contacts the windshield seems to be made of hard rubber. |
tradisrad |
Jul 13 2010, 07:33 AM
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#2
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Senior Member Group: Members Posts: 985 Joined: 11-September 06 From: San Mateo, CA Member No.: 6,815 Region Association: Northern California |
Porshce makes an adhesive double sided sticker for mounting on the rear view mirror. I know High Performance house has them. Pelican also has them: http://www.pelicanparts.com/cgi-bin/smart/...29%2C%20Each%20
The hard rubber is probably the original sticker. You should clean that off and expose the aluminum base. All you "should" have to do is remove the small screw to seperate the base and arm. Perhaps someone glued them togeather to stop vibration or something. |
detoxcowboy |
Jul 13 2010, 07:38 AM
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#3
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Senior Member Group: Members Posts: 1,294 Joined: 30-January 08 Member No.: 8,642 Region Association: Africa |
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realred914 |
Jul 13 2010, 09:09 AM
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#4
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Senior Member Group: Retired Members Posts: 1,086 Joined: 1-April 10 From: california Member No.: 11,541 Region Association: None |
the removal of the small screw should allow the mirror to be pulled from the base (I found one once that someone had glued!!) use a doble sided rubberized pad to stick it to the glass, do NOT directly glue the metal base to the glass. use the duoble sided adhesive pad.
High Perfomance house sells the correct precut pad. make sure you glue the pad to the windo first then the base to the pad, this will allow you to smooth out air bubbles that you can see thru the glass from the outside. If you put the pad on the base first, then to the window, it would not be possible to work out any trapped air, and you will see the trapped air bubbles from outside the car. good luck |
McMark |
Jul 13 2010, 12:02 PM
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#5
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
I've never had luck with the liquid adhesives. Factory sticker pads for all my rearview mirrors.
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Tom_T |
Jul 13 2010, 12:42 PM
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#6
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TMI.... Group: Members Posts: 8,318 Joined: 19-March 09 From: Orange, CA Member No.: 10,181 Region Association: Southern California |
OEM sticky pads are available at all the usual sources, just pick the best price or fastest shipping to you - AA, Pelican, PP/Automotion, SMC, dealers, etc. A local Porsche parts store or dealer should also carry them for walk-in purchase, since it's the same pad as for the 911/912 & other models.
Stick with the factory part for both proper adhesion & proper release force in the case of an accident. If the adhesive is too strong, then the windshield gets cracked in an accident or when otherwise hit, due to the excessive force transmitted there - if too weak, then it falls off prematurely & usually at a bad time & often resulting in a broken mirror (which may be why the base of yours appears to be glued - if the mount was damaged in such a fall). (IMG:style_emoticons/default/idea.gif) .... hmmmmm ...... realred's suggestion of pad to window 1st sounds like a good idea - IF you can position it properly to have the mirror/base square to the top/sides of the windshield & placed in the proper position - maybe marking with a grease pencil on the glass, then clean-up before mounting the base. Otherwise, I'd rather have the mirror/base square & in proper position by putting the adhesive on the base first then stick it there, as a whacky mirror/base would stand out a heck of a lot more than a few air bubbles. Back in the day the Porsche dealers & shops did the base first the to the glass because it was faster & easier for them to do so that way - but they still charged you the 0.25-0.5 hrs. of labor. And they usually didn't bother to take the mirror off the base - so if you can't get the mounting screw to base loose because some PO or shop used superglue up there, thn you could still mount it that way. A razor blade & some hi-test denatured alcohol or acetone will remove the remnant adhesive from both surfaces, otherwise chances are high that the mirror will decide to practice cliff diving just when you need it! (IMG:style_emoticons/default/biggrin.gif) |
Cevan |
Jul 13 2010, 12:44 PM
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#7
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Senior Member Group: Members Posts: 1,079 Joined: 11-December 06 From: Western Massachusetts Member No.: 7,351 |
Ahh, that makes sense. The adhesive pad is still on the windshield. Is the base supposed to be metal where it contacts the windshield?
I ordered 2 adhesive pads from my local dealer for $5 each. I should have them by Friday. |
avidfanjpl |
Jul 13 2010, 03:41 PM
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#8
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914 Hemophiliac Group: Members Posts: 720 Joined: 6-April 10 From: Bear, Delaware Member No.: 11,566 Region Association: MidAtlantic Region |
I did the nonpad adhesive and used the wipe included. I cleaned both the windshield and the aluminum square from any contaminants, then had a bud help me sight it in. Held it in place for a minute, and it has been on for a year. It was mounted too high by PO.
Worked fine for only a few bucks from Autozone. John |
markb |
Jul 13 2010, 03:50 PM
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#9
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914less :( Group: Members Posts: 5,449 Joined: 22-January 03 From: Nipomo, CA Member No.: 180 Region Association: Central California |
Ahh, that makes sense. The adhesive pad is still on the windshield. Is the base supposed to be metal where it contacts the windshield? I ordered 2 adhesive pads from my local dealer for $5 each. I should have them by Friday. Before you pull the old pad from the window, put scotch tape on the outside of the window & trace the outline of the old pad with a felt marker. When you pull the pad, you can position the new one in the same place. |
Elliot Cannon |
Jul 13 2010, 03:51 PM
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#10
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None |
I got tired of mine falling off, so I did the BMW mirror trick. Mounted it to the windshield frame and drilled holes for the sun visors.
Attached image(s) |
Drums66 |
Jul 13 2010, 03:55 PM
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#11
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914 Rudiments Group: Members Posts: 5,321 Joined: 15-January 03 From: Coronado,Cali Member No.: 151 Region Association: Southwest Region |
I've never had luck with the liquid adhesives. Factory sticker pads for all my rearview mirrors. ...Me either!...I will also use the pads. (IMG:style_emoticons/default/thumb3d.gif) (IMG:style_emoticons/default/biggrin.gif) |
1970 Neun vierzehn |
Jul 13 2010, 09:27 PM
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#12
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Advanced Member Group: Members Posts: 3,199 Joined: 16-March 06 From: cincinnati, ohio Member No.: 5,727 |
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chrispy |
Sep 18 2010, 12:23 PM
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#13
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Newbie Group: Members Posts: 48 Joined: 5-May 09 From: modesto, ca Member No.: 10,337 Region Association: None |
I got tired of mine falling off, so I did the BMW mirror trick. Mounted it to the windshield frame and drilled holes for the sun visors. I saw your method or using a BMW mirror instead and I'm wondering what model/year mirror you used... ANy pointers on how to complete the process? Thanks! |
msglaigaie |
Sep 18 2010, 01:27 PM
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#14
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msglaigaie Group: Members Posts: 210 Joined: 14-March 05 From: Bellingham, Washington Member No.: 3,761 Region Association: Pacific Northwest |
TOMT said ""A razor blade & some hi-test denatured alcohol or acetone will remove the remnant adhesive from both surfaces, otherwise chances are high that the mirror will decide to practice cliff diving just when you need it!""
I have been meaning to ask how to get a mirror OFF my windscreen. I want to replace my street mirror and I would like to get it off in one piece. Any advice on this one?? |
jk76.914 |
Sep 18 2010, 02:08 PM
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#15
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Senior Member Group: Members Posts: 809 Joined: 12-April 05 From: Massachusetts Member No.: 3,925 Region Association: North East States |
I used one of those spring loaded curtain rods with a rubber tip at each end to hold it up overnight. I put a short piece of scrap 2x4 across the seats, and adjusted the length of the rod so it applied firm pressure but not too much, and left it overnight or a couple of days, I can't remember which.
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