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PCV Plate Installation Guide

  • Difficulty Level (1-10): 3
  • Time Required: ~2 hrs
  • Tools Needed:
    • 8mm socket with various extensions & 8mm box end wrench (ratcheting is best)
    • Pliers and needle nose
    • Flat head screw driver
  • Additional Parts Needed for Install:
    • Several feet of 5/8" hose (suitable for PCV gasses and oil)
    • Hose clamps
    • If the PCV Plate was purchased without a Check-Valve Kit (coming soon), you'll need a good quality check valve with 5/8" barbs
    • Depending on where the new PCV port will be routed, you may need a 5/8" barb 'T', or various other fittings

Before diving in on this install, give this tech article a quick read to make sure you have a solid understanding of the principles behind this product.

PCV Theory

Installations for this product will vary depending on the current state of your car's PCV setup.  Some cars may already be running a sealed catch can between the intake manifold and crank case, some may have the valve cover port vented to a VTA catch can, or a slash cut in the exhaust, or still connected to the turbo inlet pipe.  These slight differences will only affect the routing of various hoses, and this guide should still serve as a suitable how-to.  The car used in this guide has a stock PCV setup (e.g. no catch cans).

Here's the shot of the PCV Plate contents: Plate, Banjo Bolt Assembly, PCV Retainer, (PCV valve not included).

Plate With Fittings Diag

Go ahead and jack up your car and secure it on jack-stands, as you'll need to reach up under the intake manifold to swap out PVC plates.

NOTE: This install would be quite a bit easier with the intake manifold removed, so if you happen to have it off for some other reason (valve cleaning or injector seals), that would be a good opportunity to do the plate swap as well.

Jack Up the Fail Boat

The PCV Plate we're changing out is under the intake manifold... way down there.

PCV Plate Is Down There

Here's a view from underneath.

View From Bottom

To get the OEM plate out, you'll need an 8mm socket, extensions and a pair of pliers to remove the oem hose clamps.

Tools to Remove OEM Bolts

It's not easy.... but also not impossible.  First remove the OEM PCV hose clamp and hose from the intake manifold.  You can then push it out of the way to access the upper bolts on the stock plate.

Remove OEM PCV Line

Be careful not to break the stock PCV valve, it's only plastic, and will break if you stress it too much.  You can remove the whole stock hose if you want at this point, or later once the plate is unbolted from the block.  Whichever is easier.  There are 8 bolts on the stock plate that need to be removed, and the locations are exactly the same as the new PERM plate, so you can use that for reference.  In order to shimmy the stock plate out from under the car, the stock PCV hose will need to be removed.  It's a tight fit with the dip stick tube, but don't force anything, it will come out once you get the right orientation.

OEM Plate Birth

Now we need to get the stock PCV valve out of the stock plate, since we're going to install it into the new plate.  Using some needle nose pliers, or something similar, you can carefully squeeze the ring on the front and back (between the vertical rib marks), and rotate the ring to pop it over the retention tabs.

PCV Needle Nose

Once the ring has started to lift, you can carefully coerce it the rest of the way off with a flat blade screw driver.  If the ring is damaged, it's okay... A new retainer is provided with the new PCV Plate, and the OEM ring can be discarded.

PCV Screw Driver

Here's the PCV valve freed from the stock plate.

PCV Removed

Clean the valve up with some carb cleaner or gasoline... Chances are it'll be pretty filthy.  Next we need to remove the stock plate o-ring gasket, since that will be reused on the new PERM Plate.  There's a small tab you can grab, and carefully peel it out.

Remove OEM Gasket

Now lets get the new PERM plate ready to install.  Go ahead and install and align the Banjo Bolt assembly in a direction that you think will work best.  You can adjust it a little bit more if necessary once the plate is installed on the car, so it doesn't have to be perfect, just close.

Assemble the Banjo Bolt with an o-ring on each side of the banjo nipple fitting.

Banjo Assy Seq

When threading the Banjo Bolt assembly into the PCV Plate, make sure the o-ring between the plate and the nipple fitting is flush!  There's a slight shoulder on the threaded bolt, and the o-ring needs to sit on top of in order to seal properly against the plate.

Banjo O ring Flush

Next, we'll install the OEM PCV valve.  First, remove the small o-ring from the PCV valve, and insert it into the receptacle on the PCV Plate.  It should sit flush against the bottom-most groove in the receptacle.

PCV O ring In Groove

Once the o-ring is seated in the bottom-most groove, you can press the OEM PCV valve into the receptacle.

PCV Inserting

Lastly, you can secure it with the supplied retainer clip.  It's fine for the clip to be slightly loose, it will hold the valve in securely.

PCV Retainer Clip

Next, install the OEM gasket into the new PERM Plate groove.  It's always a good idea to lube rubber gaskets with a little bit of motor oil first, that will keep them from drying out.  Align the gasket tab with the groove in the PCV Plate, and carefully work the gasket into the groove, moving away in both directions from the tab.

O ring Tab Backside

O ring Backside Installed

Wipe down the mating surface on the block to make sure it's clean, and install the new perm plate.  Start with the middle bolts and work your way outward, as you would with any component that uses a gasket.  The torque specification for these bolts is only 70-100 inch-lb... that's less than 10 ft-lbs.... so there's no need to over-torque them.  You can make any necessary adjustments to the fittings on the PERM Plate at this time. Once the Banjo Bolt is in a satisfactory postion, tighten it down to 10 ft-lbs.  Don't over-torque the Banjo Bolt either.

NOTE: Updated pictures coming soon

Torque All Bolts

For this installation, no sealed catch can was used (although we do recommend the use of one), so we'll reuse the factory hose between the intake manifold and the PCV valve.  If a sealed catch can is being used, there will likely be a hose with check valve coming off the intake manifold to the catch can, and a second hose from the other port on the catch can routed to the PCV valve on the new plate.  Follow the catch can manufacturer's suggested routing and setup in this case.

Stock PCV Line Done

Next, attach the new hose that will be used as the second crank case vent to the Banjo Bolt fitting.

Attach New Line

The new 5/8" check valve will go in-line with this hose.  ***IMPORTANT***  Make sure you have the correct orientation on the new check valve.  If you get it backwards, it will not vent crank case pressure but instead will defeat the stock crank case flow under vacuum conditions (see the tech article here if you don't understand this).

Here's a picture showing the proper check valve orientation.

CV Orientation

At this point, route the new line to your desired vent location (either 'T' it in with the stock valve cover port hose, or route it to a vented OCC).  Once routed, find a convenient spot to put the new check valve in-line with the hose, and voila... you're done.

Congratulations on a job well-done!  You can now go put band-aids on your hands and enjoy a nice cold beer.