Breather Line for Hyundai Trajet 2000 Valve Cover.

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Introduction: Breather Line for Hyundai Trajet 2000 Valve Cover.

About: As of April 2017 I have decided to no longer post on instructables. The fact that several of my published works have been removed without my consent is inexcusable. Also the insult of an author having no co...

Ever since I used a warm air intake in my wife's car, the valve cover I let breathe via an independent air filter. In my quest for improved fuel economy, which is dismal thus far, I want the valve cover breathing via the engine air filter as per the original Hyundai design.

Here is how I modified the cone filter to accept a breather line. The tools are;
-cone air filter.
-drill bits.
-cordless drill.
-clear pvc tubing 1/4inch OD.

The first step is to remove the air filter.

Step 1: FITTING IN THE BREATHER LINE.

Drilling a pilot hole followed by the final bit size, I made an entry at the base of the cone filter. I made sure to shake out all the metallic pieces from inside the cone.

I wanted the tube very snug into the hole to have an airtight seal.

Step 2: ADDING TO THE ENGINE.

I fitted the modified filter onto the manifold. I also removed the air filter for the valve cover. I used a length of silicone tubing to join the pvc tubing to the valve cover.

Step 3: COMPLETION!

I started the engine and it ran well! The idle rpm was a little higher from this modification plus the engine idled smoother and I'm very happy about that. Hopefully the fuel economy can improve a bit in time.

Update:

After less than a month of implementation, the fuel economy of the engine has almost doubled! Also the engine idles far smoother and vehicle acceleration is better. We are extremely pleased here.

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