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Old 02-20-2019, 12:14 AM   #91 (permalink)
nis350
A True Z Fanatic
 
Join Date: Oct 2014
Location: socal
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Drives: 370z
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my car is always garage in socal where the temperature is quite mild.

Based on all my readings here, I have tried cleaning the dash with just water with a little soap. the dash would look quite nice and non-sticky, but after a month or so, the dash would turn a bit grayish on the surface, it almost felt like a film because it would turn a bit darker if I just wipe it with my hand.

I would clean it again with water and put a very light coat of meguiar natural vinyl protectant. The dash color would restore and looks really nice. However, after I drive the car under the sun for awhile, the surface started to turn oily and develop glare on the windshield, probably due to the heat.

I have recently repeated the process, but with the 303 vinyl protectant as you suggested. The temperature has been quite cold recently, so the dash still looks pretty good.

I am ok to repeat this process once a month as long as the dash doesn't crack.

Quote:
Originally Posted by cv129 View Post
Yep, dark + moisture seem to be the real culprit. I have 3 cases on my hand now, all developed under similar conditions. I also had an old Escort 8500 mounted in the Z, and the rubber cover on the coiled power cord did the same thing.

If the Z is being stored, I suggest:
  • Be sure the dash is clean,
  • Be sure the dash is protected (like the 303 spray)
  • Put one of those moisture absorbing thing in the the interior.
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