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How to clean the inside of the headlights

Pelican Technical Article:

How to clean the inside of the headlights


<1 hour






Broad Flathead screwdriver or putty knife, lint free cloth, glass cleaner.

Applicable Models:

Porsche 993 Carrera (1995-98)
Porsche 993 Carrera 4 (1995-98)
Porsche 993 Carrera 4S (1996-98)
Porsche 993 Carrera S (1998)
Porsche 993 Targa (1996-98)
Porsche 993 Turbo (1996-97)

Performance Gain:

Restored headlight performance and appearance.

Complementary Modification:

Upgrade to HID headlights

How to clean the inside of the headlights

30 minutes to cleaner (& better) lights
Posted By: Dan (96C2 St.Louis) on Rennlist 993/996 discussion board
Date: Sunday, 18 February 2001, at 5:08 p.m. 

I noticed that my 993 headlight reflectors and the inside of the lenses were covered w/a dust/dirt film and were not as bright as a friend's 993 lights. I guess it's from 5+ years & 34k miles of use. The headlight assemblies are NOT airtight (open venting under the spring lock area), nor is the headlight fender bucket. 

I decided to clean the INSIDE of my headlights which turned out to be easy, fast and effective. Obviously, remove the headlights following the simple owner's manual instructions. 

The assemblies are easily opened by prying up each of the 5 catches connecting the lens assembly from the body. Two of the catches are "sealed" by a melted down plastic area. Gentle prying broke open the seals. I then gently pried the 2 parts open by working around the assembly with a broad screwdriver/putty knife. Once opened I carefully cleaned the inside lens glass & the projector glass lens with a lint free cloth & glass cleaner. I also cleaned the reflectors with a dry, clean, lint free cloth. Reassembly was easy. Just slide the 2 pieces together until the catches all snap into place. 

Result - The difference was amazing. Both reflectors & lenses now look like new (except for some external stone chips) with obvious benefits to light output. 

Comments and Suggestions:
AYYM Comments: This INSIDE headlamp cleaning tip on the 993 is useful. Do the 996 headlamps also come apart so the inside can be cleaned?
September 11, 2013
  Followup from the Pelican Staff: 996 covers are glued in. You're better off replacing the headlight. usually they are damaged when you try to remove them anyway. - Nick at Pelican Parts  

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Page last updated: Fri 1/19/2018 02:22:28 AM