Basically, this little valve lets you release pressure or fluids from a system, usually coolant in this case. Think of it like a safety release. It’s a small opening, often with a screw or cap on it, that you use to let air or excess fluid out of a closed loop. Sometimes it's used during a flush, or when refilling a system, to get all the air bubbles out. You'll typically find these on cooling systems, specifically connected to the EGR – that’s Exhaust Gas Recirculation. The EGR system sends some exhaust gas back into the engine to lower emissions, and that system gets hot. The bleeder valve on the EGR cooler lets you purge any air pockets that form in that loop. Air in there can cause overheating or poor performance. It’s not something you’ll mess with regularly, thankfully. If the valve fails or gets clogged, air can get trapped. You’ll notice if the EGR cooler isn't working right, maybe with a check engine light coming on, or your engine running a little rough. Trapped air can cause corrosion too, potentially damaging the EGR cooler over time. It’s a small part, but it plays a key role in keeping that system running smoothly. We carry a good selection of these at Fixparts Online, and getting a new one is a lot cheaper than replacing a damaged EGR cooler. It’s a preventative thing, really. Highly rated and reliable: Bleeder Valve (MPN 06D133400A) includes a 12-month warranty!

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• Get parts made specifically for your VW, ensuring a perfect fit and reliable performance. • Volkswagen parts are quality-tested to meet high standards, so you can drive with confidence. • Using genuine VW parts helps maintain your vehicle’s value. • We have a wide selection of parts, from everyday maintenance items to more complex components. Drive with confidence – choose Volkswagen parts at FixParts Online.