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PCV valve (also known as air/oil separator) issues are not unusual in late version Volkswagens. The constant strain of regulation the vacuum in modern-day engines wears at the internals that the PCV system, resulting in a selection of different symptoms the varying levels of severity. The PCV valve interacts v just around every component of the engine and can reason an issue with the fuel system, oiling system, and vacuum system. Acquisition a look in ~ the PCV valve during any engine-troubleshooting provides you a great chance at finding a potential issue.

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Contrary to most ideas about modern German engines, transforming the PCV valve ~ above VW’s modern TSI engine is a breeze. Instead of the PCV valve is short, simple, and also doable with just a few hand tools. The expense of the part is reasonably cheap, making the replacement as component of preventative maintenance simple choice.


Volkswagen Models and Years Applicable:

2013-2017 Volkswagen Beetle2013-2015 Volkswagen Jetta
2014-2017 Volkswagen Passat2015-2018 Volkswagen GTI
2015-2018 Volkswagen Golf2015-2018 Volkswagen Golf SportWagen
2017-2018 Volkswagen Golf Alltrack

Symptoms of a failing VW PCV valve:

Vacuum LeaksIlluminated inspect Engine LightIlluminated Oil pressure LightRough IdleHigh Oil ConsumptionLean & Misfire codes P0300 & P0171Idle Regulation CodesWhistling Noise indigenous Engine CoverOil Leak indigenous Rear main Seal

Owners generally see symptom of a failing PCV system between 60,000 and also 80,000 miles. However, it isn’t uncommon for lock to appear well prior to or after that range. The concerns the PCV valve can reason don’t always allude right to it, but because it is an easy part to replace, checking it is a an excellent idea.

How lot will it cost to replace a VW PCV valve?

The brand-new OEM PCV valve, or oil separator, together VW call it, costs $140 on our website. If you select to go aftermarket, it’ll cost $78.08. No other parts are essential in this DIY.

A dealership or independent shop will charge you about an hour of labor, doubling the cost of the job.

How long will it take it to change a VW PCV valve?

Newer cars might not be as DIY friendly as those of twenty years ago, however this project is as an easy as castle come. Set aside thirty minutes to finish the swap.

Tools required to replace a VW PCV valve:

Parts required to change a VW PCV valve:

Steps required to replace a VW PCV valve:

Step 1: remove the coil packs on cylinders 3 and also 4

Open the hood and remove the plastic engine cover. Then usage the 10mm socket to eliminate the nut securing the grounds to the coil packs. Pull the soil wires turn off of the studs and also again use the socket to eliminate the studs themselves from the coil packs.

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Next, use the pick device to pry up on the ignition exploit to eliminate it from the coil packs. Pull up on the coil packs because that cylinders 3 and also 4 to eliminate them.

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Step 2: eliminate the PCV valve

There space two lines associated to the PCV valve. A rubber hose organized on through a standard hose clamp is linked to the right side of it. Usage pliers to release the clamp and also walk it earlier on the hose. Then, usage the pick tool to separate the hose from the nipple and also release any type of corrosion connecting the two. Pull earlier on the water tap to pull it turn off of the PCV valve.

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At the earlier of the PCV is the connection for a turbocharger breather line. Remove the screw the secures the heat to the PCV housing with a T30 bit.

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Next, remove the 7 T30 fasteners securing the PCV valve housing to the cylinder head. The fasteners can not be fully removed indigenous the housing, so ago them out as much as they’ll go.

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The turbocharger line is still linked to the PCV valve housing and also needs to be unclipped. Usage a screwdriver or the hook device to press down ~ above the real estate to cost-free the bottom the the line and then pry in between the 2 to totally free their connection.

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Step 3: download the new PCV valve

Use a clean rag through some brake clean and wipe the surface that the PCV valve real estate seals too. Constantly wipe far from the inside of the cylinder head so as not to let any type of debris inside.

Start the installation process by it is registered the new PCV valve to the turbocharger line. Make sure the o-ring isn’t visible when the heat is clipped into place. Climate seat the PCV valve top top the cylinder head and also tighten down the seven T30 fasteners. Every one of the fasteners have to thread in by hand. Readjust the position of the housing if lock don’t.

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Next, for sure the turbocharger line to the PCV valve real estate with the T30 fastener.

Step 4: Reinstall the coil packs

Place the coil packs ago into the cylinder head. Orientate them exactly how they as soon as they were pulled out and also thread in the studs securing the coil come the head. Snug the stud v a 10mm socket, ar the ground wire onto the stud. Climate snug the nut the secures the ground wire to the stud through a 10mm socket.

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Last, plug the ignition harness back into the coil packs and also refit the engine cover.

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Now your Volkswagen is earlier to complete health, and you deserve to get back to control without any kind of worries. If you’re interested in much more DIYs for her Volkswagen, you can visit vw.gimpppa.org.com and subscribe come our YouTube channel. If friend have any type of questions about this job, leave them in the comments section below.