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How to remove the brake light bulb of Bestune X40?

4 Answers
AnthonyDella
07/29/25 1:24pm
The replacement procedure for the Bestune X40 brake light bulb is as follows: 1. Open the engine hood. The release button is located below the lower right side of the steering wheel. Press it to open the hood, then reach into the engine compartment slightly left of center towards the GS and pull the release. 2. Unscrew the screws and fasteners. 3. Remove the dust cover of the headlight. The dust cover is made of flexible rubber and can be removed directly. 4. Rotate the halogen bulb counterclockwise to remove it. Be careful when handling the bulb - ensure it's not hot before removal. 5. Screw the new bulb back in clockwise.
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MacJake
08/14/25 3:51am
I've personally replaced the brake lights on my Bestune X40 several times. Here's a simplified step-by-step process: First, open the trunk and locate a black plastic cover panel on the inner side of the taillight. Use a Phillips screwdriver to remove the two securing screws, then carefully remove the cover. This will expose the bulb socket - the brake light is usually the outer bulb with dual contacts. Pinch the socket and rotate it counterclockwise about 30 degrees to remove the entire assembly, then pull the old bulb straight out vertically. When installing the new bulb, avoid touching the glass part with bare fingers to prevent oil residue that could shorten its lifespan - wearing gloves is recommended. Align and firmly insert the new bulb, then reassemble the socket in reverse order. Always test the brake light before reinstalling the cover. The whole process takes about 20 minutes, and the key is getting the correct bulb model - P21W.
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VanThomas
10/10/25 2:53am
Last time I helped my buddy replace the brake light on his Besturn X40, I discovered a little trick: The cover panel near the trunk taillight is actually connected with clips, so don't yank it hard after removing the screws. When taking out the lamp holder, pay attention to the rotation angle—I've counted and a quarter turn works best. A common mistake is accidentally removing the entire taillight assembly when you only need to work on the lamp holder part. For bulbs, I recommend brand-name parts like Philips, which cost way less than dealership prices. During installation, a 'click' sound means it's properly seated. Always test the brakes afterward, preferably in a dimly lit underground garage for better visibility. If doing it yourself, prepare a Phillips screwdriver and a clean cloth in advance to avoid dirtying the lens.
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LeCaroline
11/23/25 4:04am
The key to replacing the brake light on the Bestune X40 lies in the bulb holder location: Open the trunk and look at the back of the taillight, then remove the screws of the black plastic cover. After taking off the cover, you'll find three bulb slots—the middle one on the outer side is the brake light. Pinch the gray plastic bulb holder and twist it counterclockwise, similar to opening a mineral water bottle. Pull out the old bulb directly and replace it with a new one, requiring no professional tools throughout the process. Pay special attention to hearing a click when reinstalling, as failure to do so may cause the bulb to loosen due to road bumps. For bulb models, either a single-contact 1156 or a double-contact P21W will work, costing about ten yuan each, saving you hundreds compared to a repair shop.
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