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VW MKV-A5 Golf/Jettas Discussions area for A5/MkV Jetta/Golf (2005/2006 PD and 2009 CR).

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Old May 14th, 2015, 05:03   #1
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DidJettarun's Avatar
Join Date: Nov 2008
Location: South Carolina
Default Melting tail light bulbs repeatedly

Hi All

Been a while since my last post but my 2005.5 Jetta has decided to start burning up right tail light bulbs. Pull bulbs and the bases on the bulbs are melted to the point that the access to the inside of the bulb is open. I have replaced 6 bulbs in the last couple of months.

Cleaned the contacts very thoroughly before last replacement and 3 days later bulb bases burned off....

Always the right tail light both bulbs

2005.5 Jetta, package 2, RC 1+, DG Bypass Oil Filter,Metalnerd Magnetic Oil Plug
2003 Jetta GLS, Cat Fuel Filter
"When the people fear the Government that is tyranny; when the people fear the camshaft it's a PD
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Old May 14th, 2015, 12:08   #2
Join Date: Jan 2001
Location: mi 48xxx
Fuel Economy: 53 max, 42 min, average 46

Just some ideas here...

Chinese bulbs?

Wrong bulb with a higher wattage maybe?
Tail light bulbs are meant to be on for long periods of time. Brake light and turn signal bulbs are only on intermittently. Being that the latter are brighter and higher wattage they create more heat. To mistake the two can melt the fixture plastic, too.
1999.5 a4 Jetta, port matched, RC2, sprint 520's, 1.5" lift kit
1996 Passat B4V, coat hanger supported exhaust system,
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Last edited by JETaah; May 14th, 2015 at 13:48.
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Old May 15th, 2015, 12:57   #3
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Join Date: Mar 2001
Location: Newtownards, N. Ireland
Fuel Economy: 38.5- 47 Forester, Citroen 55- 63

are the contacts springy enough?
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