V6 LFX Catch Can Installation

AutoInstruct » Manufacturer » Holden » VE Commodore » V6 LFX Catch Can Installation

Introduction

This guide will show you how to install a catch can in your VE or VF Commodore fitted with an LFX engine (MY12+ Vehicles). This process is also very similar for late model Camaro vehicles fitted with the LFX engine.

Difficulty Rating

Moderate

Tools/Parts Required

  • Hose Cutters
  • Socket Set
  • Catch Can
  • Oil/Fuel Hose (Internal Diameter 10mm)
  • Mounting Hardware
  • Cable Ties

Step 1

Remove the engine cover by pulling upwards on the front, then sliding the cover off the engine.

VE Commodore Engine Cover

Step 2

Remove the shield pictured by popping the two clips on the top of the engine. The shield can then be wiggled off the engine.

VE Commodore LFX Engine

Step 3

Remove the PCV (Positive Crankcase Ventilation) hose located on top of the intake manifold. This rigid hose is highlighted in Yellow. Refer to the next step for the removal process.

VE Commodore Manifold Insulator / Spacer

Step 4

Follow this hose to the rear of the engine where you will find a clip-down fitting. To release this fitting, push the plastic tab across whilst pulling up on the hose.

VE Commodore Manifold Insulator / Spacer

Step 5

Now rotate the hose 90 degrees in an anti-clockwise direction. You will need to bend it around the other hoses that may be in the way. This step is required to release the other end from the manifold.

Once rotated 90 degrees, pull the PCV hose upwards and remove from the vehicle.

VE Commodore Manifold Insulator / Spacer

Step 6

With the PCV pipe removed, you will need to cut it in half as circled in the image.

Both halves can then be reconnected to the engine.

LFX Catch Can

Step 7

You will now need to mount the catch can in a suitable location. This will largely depend on the size and design of the catch can.

We chose to affix the catch can to a bracket, which was then bolted to the upper radiator mount as seen in the image.

LFX Catch Can

Step 8

With two appropriately sized hoses, they will need to be routed as follows:

Connect the ‘clean side’ (Green) line to the intake manifold (1) and the catch can outlet (2)

Connect the ‘dirty side’ (Red) line to the crankcase ventilation (3) and the catch can inlet (4)

LFX Catch Can

Step 9

Neaten the installation with a few cable ties, re-install remaining parts, then the job is complete.

The dirty air will flow from the crankcase ventilation through the top of the catch can (Red). Within the catch can the oil particles will rapidly condense and collect in the bottom as a liquid. The clean air will then exit through the outlet and return to the engine via the intake manifold (Green).

This clean air will result in a huge reduction of oil deposits within your intake system. This means a cleaner, better performing engine. Don’t forget to empty the catch can alongside scheduled oil changes, or more frequently if required.

VE Commodore Engine Bay

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This Post Has 6 Comments

  1. Dave C July 15, 2016

    Hi , just wanting to know what diameter hose to use . Thanks

    1. Staff @ AutoInstruct July 24, 2016

      Hi Dave, We used a hose with an internal diameter of 10mm

  2. Gerrard September 24, 2016

    Hi, how much 4 can? from ebay? it comes with mounting braket as well??

    Thanks

    1. Staff @ AutoInstruct September 24, 2016

      Hello, You can find Catch Cans from eBay, to local automotive stores. Each is different. Ours is from Elite Engineering in the USA. We had to modify the bracket.

  3. matama0b March 6, 2019

    Good day,

    can you please make instruction for V8 Catch Can Installation

    1. Staff @ AutoInstruct March 7, 2019

      We don’t have a V8 to do this on sorry!

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