If you are a semi handy mechanic, you can DIY this relatively easily.
Squeaking noise when starting or stopping your engine. Symptoms of a Serpentine Belt or Accessory Belt Tensioner Failing: If the tensioner does fail, you’re at risk of your serpentine belt snapping entirely, which would cause issues with the accessories listed above. Just like every part inside of an engine, the higher miles your vehicle has, the more likely it is the tensioner will start to fail due to normal wear and tear. The serpentine belt is important because it powers a lot of accessories in your Vr6, such as the water pump, power steering pump, alternator, and A/C compressor. As the name says, the serpentine belt tensioner keeps the serpentine belt tight. The serpentine belt (also known as the accessory belt or the drive belt) tensioner is one of those parts that is destined to fail in any VW’s. Now we have seen people DIY this, but it is for the more advanced mechanic.ĭIY Difficulty: Advanced 3. Unfortunately, if your head gasket is blown or has a leak, the cost you will face to take this to a shop will be around $1,500. “Milky” oil or bubbles from the dipstick. Fast pressure rise in the cooling system. Unexplained coolant loss without evident leaks. To ensure your head gasket’s reliability, make sure your coolant levels are where they should be. With a part that undergoes such a variance in temperature, if not maintained properly, can slowly develop a leak and cause real problems for your vehicle. Since the head gasket is the seal from the engine block to the cylinder head, it experiences extremely high temperatures from the combustion gases and extremely low temperatures from the engine coolant. If you have a blown head gasket or leak, you will be able to tell immediately.Ī leaky/faulty head gasket is much more common as your vehicle’s miles increase, depending on maintenance. It seals the cylinders’ pressure to make sure that maximum compression is achieved. The head gasket is one of the most, if not the most, important gaskets your engine has. 
Vr6 Leaking Head GasketĪnother issue in Volkswagen Vr6 engines is a faulty head gasket.
Ignition Coil/Coil pack Replacement Options:ĭIY Difficulty: Easy 2. Something to note with individual ignition coils is that if you need to replace one, replace all, that way there are all in the same condition. If you are a handy mechanic (or even semi-handy), we would highly advise DIYing. If you were to take your VW to the dealership or local shop to replace your ignition coils, you would be looking at a cost of $600 for labor, parts, and diagnostics.
MK4 O2J REMOVAL INSTALL
Regardless of single ignition coils or ignition coil packs, the install or replacement is a fairly easy task.
Check Engine Light (CEL) or Engine Management Light (EML) flashing or staying on. Something to note is that a coil pack is just one ignition coil for all 6 cylinders, whereas individual coils go into all 6 cylinders. In some cases, coil packs may even be more efficient and provide a better spark, but this is on a case-by-case basis and depends on which Vr6 engine your vehicle has. They are a more modern take on individual ignition coils and serve the same purpose. It converts the battery’s lower voltage into a higher voltage that is needed to spark the spark plugs, which in turn ignites the fuel.Ĭoil packs house ignition coils within them. The ignition coils are a very important part for your vehicles to start and move. Depending on which Vr6 engine your vehicle has, you could be looking at coil packs (12v) or 6 individual coils (24v). To no surprise, ignition coils going out is a common problem in almost all VW vehicles. Vr6 Common Problems are Applicable for:Ītlas 2017-Present The 6 Most Common Volkswagen Vr6 Engine Problems Since there are many different types of the Vr6 engine, we couldn’t list them all. If taken care of properly, following maintenance schedules, this engine can be very reliable.Īlso, for the replacement options listed below, PLEASE make sure they will fit your vehicle before ordering. 
When Volkswagen introduced this engine, it was ahead of its time, with it being almost the same size as their signature inline 4s but having 6 zig zag cylinders resting on one cylinder head.īefore we get into common problems for the Vr6 engine, we want to preface that not all engines are made the same, so these may be applicable to some, but not to others. However, we are starting to see a shift from the Vr6 towards more efficient engines with progressing technology. The Vr6 engine was introduced in the early 1990’s and is still being used in the Atlas and Passat. Disclosure: This post may contain affiliate links, meaning when you click the links and make a purchase, we receive a commission.
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