G37 Coupe

speedometer plastic help needed

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Old Jul 1, 2011 | 11:50 AM
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Angry speedometer plastic help needed

Hi guys, i m new to this forum. I have a weird problem. while i m cleaning my seats in G37 using leather swipes, i also cleaned the plastic glass that's on the speedometer. a week later it left a very strong annoying stains on the plastic.(it exactly looks as if there are water bubbles inside) its very frustrating to see that plastic with those stains. I went to the infiniti dealer to have it replaced but they want 350$ to change that little plastic thing. can any one suggest me an idea to get rid of those stains. any input will be appreciated.

Please see the PICTURE in the post below

thank you

Last edited by daviefl86; Jul 1, 2011 at 12:28 PM.
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Old Jul 1, 2011 | 11:52 AM
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A picture would be helpful.
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Old Jul 1, 2011 | 12:00 PM
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Unfortunately I'm pretty sure that replacing it is your only real option. If you get lucky you may find one intact on a G37 in a salvage yard if you can find one.

Are you sure the plastic cover is $350? That doesn't sound right.
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Old Jul 1, 2011 | 12:03 PM
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Here is the Picture

Look carefully ..its not very visible in the picture but very annoying outside.
Attached Thumbnails speedometer plastic help needed-img_0065.jpg  
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Old Jul 1, 2011 | 12:04 PM
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Originally Posted by Black Betty
Unfortunately I'm pretty sure that replacing it is your only real option. If you get lucky you may find one intact on a G37 in a salvage yard if you can find one.

Are you sure the plastic cover is $350? That doesn't sound right.

the actual part is 80$. to replace it they are charging me the 270$
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Old Jul 1, 2011 | 01:09 PM
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Originally Posted by daviefl86
Hi guys, i m new to this forum. I have a weird problem. while i m cleaning my seats in G37 using leather swipes, i also cleaned the plastic glass that's on the speedometer. a week later it left a very strong annoying stains on the plastic.(it exactly looks as if there are water bubbles inside) its very frustrating to see that plastic with those stains. I went to the infiniti dealer to have it replaced but they want 350$ to change that little plastic thing. can any one suggest me an idea to get rid of those stains. any input will be appreciated.

Please see the PICTURE in the post below

thank you
Have you tried using a light plastic polish on it with microfiber to buff them out?
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Old Jul 1, 2011 | 01:46 PM
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try a headlight polish
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Old Jul 1, 2011 | 02:47 PM
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Originally Posted by JonnyOzero3
Have you tried using a light plastic polish on it with microfiber to buff them out?
No, Could you tell me the specific polish name to use. and any other tools that i may need..so that i will buy and try them out.. thanks
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Old Jul 1, 2011 | 03:13 PM
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IMHO, without any warranty...
The Blue Magic may work. I have personally used Flitz metal and fiberglass polish for things *like* this, but not on a speedo cover. Maybe you'd like to try one of the polishes in a small spot and see how it works. If all fails, you can still replace the plastic. Let us know your results...
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Old Jul 1, 2011 | 04:25 PM
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I will try this weekend and let u guys know.. Thanks for the help..
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Old Jul 1, 2011 | 04:56 PM
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what brand leather wipes did you use?
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Old Jul 1, 2011 | 05:05 PM
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the plastic cover for the gauge cluster is $58 dollars from the dealer. I could not figure out how to get the dash off to get to the cluster. I would pay 350 to have mine fix because it drives me nuts also. I have little stains on the center of mine
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Old Jul 1, 2011 | 05:07 PM
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I think you can polish it out! Try using some Meguiar's!

I would try Plastx: Meguiar's Direct PlastX Clear Plastic Cleaner & Polish <-Made just for Clear plastics!

Also a great rubbing compound like Meguiar's Ultimate works good on haze on plastic too: Meguiar's Direct Ultimate Compound

Use with microfiber cloth to polish and wipe/clean up.

If you do use the compound, use plastx after since it has oils like a wax that specifically protect your plastic. You may need to buff at it for awhile.
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Old Jul 4, 2011 | 03:46 PM
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I took it to the car wash today. The guy at the wash is very patient enough to try a couple of compounds and polishes. He was able to make the stains look 35% lighter. They stains are still there but lighter than before. He asked me come back next week, so he can try more stuff. Hope he will fix it.!!!!
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Old Jul 4, 2011 | 07:02 PM
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The solution may be as simple (and cheap) as buying a Mr. Clean Magic Eraser (melamine foam).

From wiki:
Rubbing with a slightly moistened foam may remove otherwise "uncleanable" external markings from surfaces. For example, it can remove crayon, magic marker, and grease from painted walls, wood finishings, plastic-adhering paints from treated wooden tables, adhesive residue, and grime from hub caps. If the surface being cleaned is not sufficiently hard, it may be finely scratched by the melamine material. The foam wears away, rather like a pencil eraser, leaving behind a slight residue which can be rinsed off.
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