tadisus

Cloudy, yellowed headlights are one of the most common ageing signs on Irish cars. It's not dirt on the surface, it's the plastic lens itself breaking down, and it happens gradually enough that most people don't notice how much light output they've lost. Why headlights turn yellow Headlight lenses are polycarbonate plastic with a UV-protective coating on top. Years of sun exposure, road grit and heat break that coating down, and once it's gone the plastic underneath oxidises and turns cloudy...

A headlight not lighting up usually means a blown bulb, but whether that's a five-minute job or one for the workshop depends entirely on what's under your bonnet. Halogen bulbs: usually a straightforward swap On many cars, a halogen headlight bulb is accessible from the engine bay and can be changed in a few minutes with basic tools. The main things to get right are handling the new bulb without touching the glass (skin oils shorten its life) and reseating the dust cover properly afterwards...

A scratched headlight lens is one of the most common things we see at the workshop. Road debris, careless washing, and even automatic car washes can all leave fine scratches or scuffs on the plastic lens. The good news: most scratches look worse than they are, and can be polished out rather than needing a full replacement. Is a scratch just cosmetic, or does it matter? Most light scratches are cosmetic and don't affect how your headlights perform. But deeper scratches can scatter light at...