![]() ![]() #137 A 119 094 71 82 HOSE FROM CONNECTOR TO CYLINDER HEAD COVER #134 A 119 094 31 82 HOSE FROM CONNECTOR TO INTAKE MANIFOLD FLANGE,LEFT #131 A 119 094 40 82 HOSE FROM CONNECTOR TO INTAKE MANIFOLD FLANGE,RIGHT #128 A 119 094 28 82 HOSE FROM CONNECTOR TO INTAKE MANIFOLD FLANGE,RIGHT #125 A 119 094 27 82 HOSE PIPE SOCKET TO CYLINDER HEAD COVER #122 A 119 094 26 82 HOSE PIPE SOCKET TO CYLINDER HEAD COVER #119 A 117 990 15 78 CONNECTOR FROM CONNECTOR TO INTAKE MANIFOLD FLANGE,RIGHT #119 A 117 990 15 78 CONNECTOR AT FUEL DISTRIBUTOR LINE (x2) #119 A 117 990 15 78 CONNECTOR PIPE SOCKET TO CYLINDER HEAD COVER #116 A 102 094 02 12 CONNECTOR FROM CONNECTOR TO CYLINDER HEAD COVER (x2) The ONLY source for all of these PCV hoses / connectors is from a dealer of Genuine Mercedes parts such as MB Naperville, MB Gainesville, MB Annapolis, MB Asheville, Husker, a similar online dealer, or your local stealership.Īaarrrrggg! I didn't see the other pages!ĭo they sell this as a kit so I make sure to get everything needed, or do I need to just get all the part numbers? I see a few of these have a 117 part number does it still apply? I've BT and DT, several of these so-called OEM pieces ended up being aftermarket Febi and were absolutely not OE nor OEM. Also, do not trust aftermarket vendors which show the brand as "OEM". (Update - see PDF file attached in post #6 below.)ĮDIT: If you replace any of the PCV hoses, replace all, with OE/dealer only. Spendly little boogers!!!īTW, you are right, I do need to write a post with all the part numbers - haven't done that yet. all new pipes + fittings ends up >$200 even at wholesale. Trying to change one will likely break the connector or adjacent pipe, leading to a complete replacement (which is recommended anyway). ![]() They are usually fossilized by engine heat. Those tubes are supposed to be soft rubber, they are not plastic pipes. If replacing your PCV valve hose is something you would rather leave to a professional, have one of YourMechanic’s certified technicians perform the replacement.EPC - Engine Group 14 (Intake & Exhaust Manifolds), Subgroup 030 (Intake Manifold). Keeping your vehicle’s PCV valve hose in good working order will help the engine run cleaner and more efficiently. Reinstall any engine covers or plastic covers that were removed. Make sure to secure the hose ends with the type of clamps it is designed to use. Clamp the hose by using either the clamps provided or the old clamps. If needed, you can apply a very thin layer of grease to help slip it over the PCV valve or the intake fitting. ![]() The hose will typically slip right over the fitting when installing. Position the clamp on the PCV valve hose. Once you have identified and removed the connector, remove the PCV valve hose by gently twisting and pulling the hose away from the fitting. This requires first examining how the quick disconnect works. Quick disconnectors are removed by releasing and slightly pulling to remove. Spring hose clamps are removed by using a pair of pliers to collapse and slide the clamp away from the hose end. Gear type hose clamps are removed by using a ¼ inch or 5/16 inch socket to loosen the hose clamp and slide it from the hose ends. Your vehicle may use quick disconnectors, spring hose clamps, or gear type hose clamps. Once you locate the PCV valve, you will see how the PCV valve hose is attached to the PCV valve and the intake. It will either be retained by nuts and bolts or just snapped into place with rubber insulators. If there is a engine cover in the way of the PCV valve hose, you will need to remove it. The image above shows a PCV valve (1) and the PCV valve hose (2). The PCV valve is located on a valve cover, which is in various locations on the valve cover depending on the make. Part 1 of 1: Replacing the PCV valve hose A PCV valve hose failure can cause poor fuel economy, a Check Engine Light to come on, and can cause the engine to run rough. The engine reburns these gases, which reduces emissions and keeps the engine running cleaner. These gases raise emissions, so to reduce the emissions the PCV valve routes these excess gases through the PCV valve hose to the intake airbox or intake manifold. The PCV valve is activated when crankcase pressure rises in the engine when running. The Positive Crankcase Ventilation (PCV) valve hose is a hose running from the valve cover on the engine to either the intake air box or the intake manifold. ![]()
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