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BD Diesel Crank Case Vent Filter - Easy Ford Installs

Part Two: Crankcase Vent Filter Kit For '99½ to '03 7.3L Power Strokes

Text By Mike McGlothlin, Photography by Mike McGlothlin
Parts

Following last month's CFM Plus intake manifold install on the 7.3L Power Stroke, we decided to bring you another easy bolt-on option for your '991/2 to '03 Super Duty-BD Diesel's crank case vent filter kit for the 7.3L Power Stroke. This is an aftermarket product that prevents the factory crank case breather system from introducing oil into the air intake.

By adding a filter and oil catch can system to the factory closed crank case vent system, its kit also prevents crank case oil vapor from contaminating the intake tract, which keeps intake boots from blowing off and increases boot life. The system also reduces the amount of oil found in the intercooler. Since it's a breeze to put on, the guys at Diesel Tech in San Jacinto, California, had our system installed in about an hour. Here's how it went.

  • Bd Diesel Crank Case Vent Filter Installation Factory Air Filter
    BD Diesel's kit required just a few wrenches to get the job done: 1/4-inch, 7⁄16-inch, 1/2-inch, 9⁄16-inch, and a Phillips screwdriver. First to come off our '02 Power Stroke was the air filter and intake tube.
    Bd Diesel Crank Case Vent Filter Installation Factory Air Filter
    BD Diesel's kit required just a few wrenches to get the job done: 1/4-inch, 7⁄16-inch, 1/2
  • Bd Diesel Crank Case Vent Filter Installation Turbo Inlet Tube
    Next, the guys at Diesel Tech removed the turbo inlet tube and pulled the hose off the factory breather box at the rear of the driver-side valve cover.
    Bd Diesel Crank Case Vent Filter Installation Turbo Inlet Tube
    Next, the guys at Diesel Tech removed the turbo inlet tube and pulled the hose off the fac
  • Bd Diesel Crank Case Vent Filter Installation O Ring
    Then the two Phillips head screws that hold the breather vent box on were loosened and it was removed. After that, the large O-rings on the valve cover were replaced with the supplied ones (PN 1302187), the breather vent box was rotated 180 degrees, and it was reinstalled using the new hex studs and O-rings (shown).
    Bd Diesel Crank Case Vent Filter Installation O Ring
    Then the two Phillips head screws that hold the breather vent box on were loosened and it
  • Bd Diesel Crank Case Vent Filter Installation Inlet Hose
    With the breather vent box snug (be careful not to overtighten or it will crack), the inlet hose (PN 1302178) was installed onto the breather vent using one of the supplied spring clamps.
    Bd Diesel Crank Case Vent Filter Installation Inlet Hose
    With the breather vent box snug (be careful not to overtighten or it will crack), the inle
  • Bd Diesel Crank Case Vent Filter Installation Ccv Canister
    Next, the CCV canister was mounted to the supplied stainless steel bracket via two 5⁄16-inch bolts, washers, lock washers, nuts, and then the supplied drain hose was connected to the CCV canister with an included spring clamp.
    Bd Diesel Crank Case Vent Filter Installation Ccv Canister
    Next, the CCV canister was mounted to the supplied stainless steel bracket via two 5⁄16-in
  • Bd Diesel Crank Case Vent Filter Installation Rubber Breather Hose
    With the CCV canister secured to the mounting bracket, it was placed over the hex studs in the breather vent box and tightened using the supplied Nyloc nuts and washers. After that, the rubber breather hose was connected to the upper port on the CCV canister via a spring clamp.
    Bd Diesel Crank Case Vent Filter Installation Rubber Breather Hose
    With the CCV canister secured to the mounting bracket, it was placed over the hex studs in
By Mike McGlothlin
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