Tuesday, April 1, 2014
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Proper headlamp performance is vital to the safe operation of a motor vehicle at night or in inclement conditions. If you have noticed the light output from your 2008 GMC Acadia headlights has diminished, or if one or more bulbs has burned out, it is time to replace them. Replacing the headlamps in your Acadia is an easy process that requires no tools. You will be rewarded with improved nighttime visibility in your vehicle after a small investment of time.
Instructions
1 Turn off the engine and turn the light selector switch to the off position.
2 Open the hood of the vehicle and prop open. Remove the electrical connector at the back of the headlamp assembly by depressing the plastic tab and pulling straight back. Some side to side movement may be needed if the connector is especially snug.
3 Remove the protective dust cap on the back of the headlamp by grasping it and pulling straight back. This cover keeps dust and moisture out of the headlight housing, make sure not to damage it.
4 Remove the metal retaining clip by pushing downward and swinging it away from the bulb. Remove the bulb by pulling it straight back, being caul not to strike it against the headlight enclosure.
5 Insert the new bulb into the headlight assembly and swing retaining clip into place.
6 Reinstall the dust cap and ensure it is well seated by running your finger around the circumference.
7 Reattach the electrical connector. Applying a small amount of silicone lubricant gel will ensure the connector does not corrode and is easy to remove the next time. Repeat all steps for the other headlight bulb if needed.
Wednesday, March 19, 2014
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uplander
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The Chevrolet Uplander is a minivan introduced in 2005 as a replacement for the Venture and Astro. As with any vehicle, the Uplanders headlights provide very important safety components to the vehicle. If you drive your Chevy Uplander with faulty headlights, your road division can be severely diminished and other vehicles will have difficulty seeing you on the road. The headlamp replacement process takes a few minutes and requires a screwdriver and replacement bulb.
Instructions
1 Park the vehicle and turn off the engine. Open and secure the hood of the Uplander and put on the clean gloves.
2 Remove the headlamp retainer pin by rotating it toward the headlamp assembly and pulling it out. Use the screwdriver to remove the screw from the top of the headlamp assembly.
3 Pull the assembly out of the vehicle and disconnect the socket wiring harness connector from the rear of the assembly.
4 Rotate the bulb socket counterclockwise to remove it from the assembly.
5 Disconnect the bulb socket wiring harness from the old bulb by pulling it off. Place the wiring harness onto the replacement bulb.
6 Reinstall and secure the bulb socket by inserting it into the bulb assembly and rotating it clockwise.
7 Reconnect the socket wiring harness connector to the rear of the assembly and place it back into the Uplander.
8 Reattach the screw on top of the headlamp assembly and reattach the retainer pin. Close the hood.
Wednesday, October 9, 2013
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Nearly all vehicles are susceptible to oxidation in their headlight lenses. Being exposed to ultraviolet rays, road sand and exhaust makes oxidation impossible to avoid, and has led to an entire industry of products and methods to remove and prevent this foggy nuisance. Non-abrasive compounds are your best bet for this activity, and you should take care not to scratch or damage the lens by using toothpaste or sandpaper unless the oxidation is severe. If left untreated, the yellowish coating can become permanent, reducing the appeal and resale value of your vehicle.
Instructions
1 Protect the bumper and hood around the headlight with blue painters tape. The de-oxidizing compound is harmful to paint, and the tape will prevent any accidentally spilled solution from causing harm.
2 Dab a small amount of de-oxidizing solution onto a clean rag and rub it lightly on the plastic lens. For light oxidation, one or two applications should be plenty to clear up the polycarbonate lens.
3 Continue applying solution in a horizontal motion. It may take several coats for stubborn oxidation to clear up. Yellow stains indicate the worst oxidation and are often impossible to remove using a compound. Light sandpaper may be a last resort before replacing the headlight altogether.
4 Sand in horizontal motions using 1,000 grit sandpaper to remove yellowish oxidation stains. Wipe down the headlight with a wet sponge to remove the dirt and debris that was removed. Follow that with 2,000 grit sandpaper, and wipe second time. Apply a coat of polish to the headlight in the same horizontal motion to fill in the tiny grooves made by the sandpaper.
