Fuel vent DIY for mk4 VW Jetta New Beetle Golf and Passat TDI VW TDI… — Volkswagen Passat B2

4 Апр 2015 | Author: | Комментарии к записи Fuel vent DIY for mk4 VW Jetta New Beetle Golf and Passat TDI VW TDI… — Volkswagen Passat B2 отключены
Volkswagen Passat B2

Fuel vent DIY for mk4 VW Jetta, New Golf, and Passat TDI

Fuel DIY for mk4 VW Jetta, New Beetle, Golf, and TDI

Fuel vent FAQ for 1999-2005 VW New Beetle/Golf and 2004-2005 Passat, TDI

to see the mk3 TDI vent FAQ, please to 1000q: mk3 fuel venting

All mk3 and mk4 VW TDI used a fuel tank in the fuel filler neck to air out. Venting is when you on the vent to release trapped air to add fuel to the tank, extending car#039;s range per tank. inside the filler neck and you can see a see below for detailed pics. on it when the tank is almost and you will hear the hiss of air This lets you add about 2 gallons of fuel. Venting not increase fuel economy at it just lets you add a little fuel to increase miles per You can also remove the vent#039;s loaded internals so that you have to press on the button venting faster. This is in this article. This not apply to mk5 cars (2005.5+

Warning: Do not do it on a gasoline car. vapors are flammable and should not be to the atmosphere. A gasoline fuel is connected to the engine emissions and they burn these Removing the vent or otherwise the fuel filler neck cause a fire hazard!

The TDI only connects the filler and the fuel tank. It#039;s not to anything else like an system. This is because is a heavier fuel than and the vapors are not flammable at room and pressure. This procedure release any extra diesel and later Jetta/Golf TDI fuel are vented to the atmosphere anyways. also works on b2 passat and a2 diesel but those are pre-TDI and the scope of this article. The is normally opened with you put the cap back on.

The only problem could cause is if you were to the tank all the way up to the very top of the filler and then park the car in the heat. diesel expands much than gasoline so the likelihood of fuel is very low but spilled can melt asphalt and should be cleaned up. Vent at your own If you vented all the way, just a little bit to lower the fuel and you should not have any problem fuel spills. Disclaimer: As any other information on this it is done at your own risk! website is not responsible for damage to driveway, any persons and/or resulting from any tips you here!

Truck high flow pumps are larger and can cause if you fill at their max speed. The flow large pumps not fit all the way into the mk5 filler neck due to a rib. The mk5 cars don#039;t use vent anyways.

Do not attempt on a gasoline car because it is part of emissions system, gasoline much more, and it can create a hazard. The air space may also prevent fuel spills in a when the tank is full, important with a gas car since gas is volatile than diesel. The vapors are normally trapped and in a gas car and the vent helps route gas back to the fuel nozzle of into the atmosphere. The TDI does not use a canister or evaporative emissions

While you are working on the fuel here is another mod to make it pop much further when you the release button: 1000q: door spring open mod

Procedure for mk4 Jetta, Golf, New and Passat TDI

— additional for New Beetle below

Here is a with the fuel tank for illustration. Not shown is backflushing the of any dirt before putting the body back. Below are instructions.

Open the fuel door and remove the T-20 bolt by the filler door Remove the filler cap and stuff a paper towel down the filler to avoid getting inside.

Pivot the rubber surround out and to the right. As you pull it out you will to pull the entire assembly to the The fuel filler door out with it. Set aside to get more The latch strike can also be off. Pinch the sides and it off the latch solenoid button.

is a small tab on the rear of the vent push up on it (white arrow) pushing the vent button the rear of the car (the direction of the arrow). This should the white plastic vent Pictured below is the vent halfway out. The 2004-2005 VW TDI fuel vent body is instead of white. Clean the and backflush the vent tube to dirt from getting in when you put the vent back.

Volkswagen Passat B2

You push the black plastic out, only the black and the parts inside the black tube. It will look this (below). There are two holding the vent internals in the body, pull them out and the vent internals should out under spring pressure. You can or keep the vent internals. with a white arrow was where you had to push up during the step (vent is upside

Backflush the vent tube carb or brake cleaner water) to keep the vent clean.

Put the vent body (minus the internals) and make the white tab snaps the vent back in place. The vent are now removed, letting you vent and easier.

New beetle TDI fuel vent additional notes

You can the vent in the NB 2 ways. The first way is to the above instructions. The second way may be you remove the right taillight to get to the back of the vent. Instructions for the NB are

Open the rear hatch and pry off the taillight cover on the inside of the Unscrew the plastic knob holds the taillight in place.

Insert a screwdriver at the 8 o#039;clock looking at the light to release a clip holding the taillight. the taillight. If the taillight doesn#039;t out easily, the clip is still the taillight.

You can now access the vent from the rear instead of the fuel filler door and surround. The rest of the instructions are to the above. Below is a picture of the as viewed through the rear position.


Modified: Apr 15, 2014 at 10:38 PM

Volkswagen Passat B2

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