Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Plastic trim discoloration

Old 11-06-2012, 02:59 PM
groomsxxx's Avatar
Senior Member
Join Date: Oct 2012
Location: SC
Posts: 234

I painted mine just over a week ago.
Old 11-07-2012, 04:36 PM
Join Date: Oct 2012
Location: Stouts Creek
Posts: 57

Ignore it...
Old 11-08-2012, 06:34 PM
OUTLAW's Avatar
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Join Date: Oct 2005
Location: Jersey
Posts: 151

Tried just about everything, still comes back. Paint may be the final solution.
Old 11-08-2012, 08:22 PM
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Join Date: Feb 2011
Posts: 501

I've been a painter for over 20 years. It's never a good idea to paint plastic. Yes, they do have paint that is specifically formulated for plastic surfaces, and it holds a little bit better than paint that is for metal...............but not much. Something rubbing up against it will scratch the paint right off. If you're off road at all and limbs touch it same thing. When someone comes to me asking to paint something that is plastic I refuse because it just does not last. Just spray tire shine on a rag and wipe it on all the plastics and they will look as good as new. We do it once a week when we wash the Hummer.
Old 11-09-2012, 06:45 AM
Senior Member
Join Date: Aug 2012
Location: new Brunswick Canada
Posts: 300

Yea tire shine is your best answer. I believe the better stuff to use is stuff with silicone in it there is advanced polymer stuff too. I used some of it on mine and worked well. But the coating or something was peeling off of mine in a tiny spot when i bought it so never new looking. I never hit it with preasure washer either. Scared it will peel alot more.
The stuff in the tire shine that makes your tires greasy and shine, moistens the plastic and soaks in deep helping it last.
Old 11-12-2012, 11:26 AM
WBZ is offline
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Join Date: Aug 2011
Location: Indiana
Posts: 27

Originally Posted by djren12 View Post
I use Mothers Back to black after every wash and it works great
I second that motion. I have not used it on my H3 yet as it is garage kept and has not really faded. I have used it on my 97 cherokee XJ and the results are a small miracle. I just did this recently so I cant say how often i will need to repeat the process. I do however have a small place next to the windshield where the finish is starting to peal on the black trim
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