Excess crankcase pressure is vented from the crankcase through the PCV system, where it is drawn into the intake manifold and returned by the engine. This recirculated air contains aerated oil from the crankcase which is burned by the engine. Turbo charged engines often draw significant amounts of oil into the engine through the PCV system. This oil catch tank system removes aerated oil so that it can be drained and recycled.
This kit is suitable for intallation to the 2 litre FSi engines found in the VW MK5 Golf , MK5 Golf Edition 30 and SEAT Leon Cupra (not for engine codes CCTA CBFA) The kit is available in two versions, as in different geographic locations these vehicles are fitted with a carbon filter, located at the front of the engine bay (on the left as you open the bonnet / hood)
If you do not have this carbon filter then this product will fit your vehicle. Please note however that if aftermarket engine mounts are installed, there may not be enough clearance for the installation of the tank.
If you do have a carbon filter you will require this alternative kit, part number FMMK5CTC
Kit incorporates features such as:
The stock PCV assembly incorporates a system of check valves that can effectively cause a boost leak of pressure back into the crankcase when they fail. This assembly also deposits the water, fuel, and oil vapors back into the intake manifold leading directly to valve deposits that can inhibit airflow and power over time. Forge's plate completely replaces this OEM assembly, bypassing the intake manifold entirely which will minimize intake valve deposits as well as eliminate the potential for a boost leak the wrong way through the system. The plate still incorporates the necessary provision for equalizing the crankcase pressure from the lower portion of the block with the valve cover, and it also features appropriately placed fittings for the venting of PCV gases to the tank. A unique feature included with the kit is a double-o-ring sealed clip-on intake manifold cap with three available ports to source a vacuum/boost reference for various engine accessories, such as a boost gauge, bypass valve, or a water/methanol injection trigger. Any unused ports can be plugged with the included grub screws.