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how to replace vw golf mk4 breather hose

by Afton Dickens Published 2 years ago Updated 1 year ago
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Part of a video titled VW mk4 TDI ALH CCV breather hose removal and install
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Take our hose clamp. Off i need to loosen it up a little bit more. Okay here's the crack right hereMoreTake our hose clamp. Off i need to loosen it up a little bit more. Okay here's the crack right here in the hose right at the accordion part there i believe this is the original.

How do you change a breather hose?

0:262:26How to Replace Crankcase Breather Hose 05-09 Audi A4 - YouTubeYouTubeStart of suggested clipEnd of suggested clipBasically on this one you squeeze from the side. And pull and this one closer to the engine youMoreBasically on this one you squeeze from the side. And pull and this one closer to the engine you squeeze top and bottom. And pull the part that we removed from the vehicle. And new part from 1a auto.

How do you remove a breather pipe?

0:001:26RS5 Breather hose removal - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow we need to get the four prongs of the tool into the four holes on the plastic so to do that.MoreNow we need to get the four prongs of the tool into the four holes on the plastic so to do that. Just pull it down there you go okay. So now as you can see the prongs are in the hole it's fully.

Where is the crankcase breather hose located?

0:001:46Got Oil in Crankcase Breather Hose? Try This - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay if you want to wear the crankcase breather is that says right here on the top it is this lineMoreOkay if you want to wear the crankcase breather is that says right here on the top it is this line and it goes down to the air filter housing. It goes to underneath here.

Is the crankcase breather hose important?

Excessive crankcase pressure can furthermore lead to engine oil leaks past the crankshaft seals and other engine seals and gaskets. Therefore, it becomes imperative that a crankcase ventilation system be used.

How do you remove a valve cover breather hose?

0:472:01How to Remove Valve Cover Hoses - YouTubeYouTubeStart of suggested clipEnd of suggested clipTo remove this hose's pcv hose and it just clips into a rubber grommet. So simply by wiggling aMoreTo remove this hose's pcv hose and it just clips into a rubber grommet. So simply by wiggling a little bit and pulling it straight out it will pop out the grommet.

What is the breather hose?

This is where breather hoses come in: plastic or rubber pipes that conduct combustion chamber gasses from the engine to the intake system, thereby allowing the hydrocarbons present in these gasses to be reused.

What are the symptoms of a bad crankcase breather hose?

Excessive Exhaust. White or blue smoke coming from the engine exhaust is a strong indicator that the crankcase breather is clogged. Thick black smoke usually indicates the problem is more advanced, and built-up pressure is forcing oil into the cylinder where it burns off and sends black smoke through the exhaust.

How do you change a crankcase hose?

1:423:10How To: Diagnose and Replace a PCV Valve - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou'll have to pull on it to release it once the tab is disengaged. Attach your new valve by turningMoreYou'll have to pull on it to release it once the tab is disengaged. Attach your new valve by turning it clockwise onto. The oil fill tube and engaging the tab. Reconnect the vent hose to the intake.

Why is oil coming out of my breather hose?

Oil filler cap or oil fill gasket is damaged or missing. Breather mechanism is dirty, damaged or defective. Piston ring gaps are aligned. Piston rings are worn.

What happens when engine breather is blocked?

If an engine's breathing system should become blocked or restricted, the crankcase will pressurise causing any one or more of the following problems: The oil/air mix will force its way out through any other convenient exit e.g. oil seals, dip stick, filler cap, etc.

What does a fuel tank breather hose do?

It allows for the optimum intake of air as fuel is released from the tank, and expulsion of air as fuel is deposited into the tank (or expands within the tank).

How do you test a crankcase breather?

3:004:21How a Small Engine Crankcase Breather Works and How to Quick ...YouTubeStart of suggested clipEnd of suggested clipBy creating pressure in a vacuum with your mouth. By blowing on this hose. I'm going to try and doMoreBy creating pressure in a vacuum with your mouth. By blowing on this hose. I'm going to try and do this up close so you can see this diaphragm moving as I do this.

What does a breather tube do?

The breather tube is the key component of the breather system in a lawn mower. Instead of allowing the hot gases to move freely, the breather tube directs that air toward the exhaust system and muffler. Along with the oil, this system provides cooling for the engine.

What happens when engine breather is blocked?

If an engine's breathing system should become blocked or restricted, the crankcase will pressurise causing any one or more of the following problems: The oil/air mix will force its way out through any other convenient exit e.g. oil seals, dip stick, filler cap, etc.

What is oil breather pipe?

The oil cap seals your car's oil chamber to stop leaks. The breather pipe vents air to reduce pressure in the crankcase.

What is a valve cover breather?

2:3525:59Why & When You NEED A Valve Cover Breather (Prevent Oil Leaks ...YouTubeStart of suggested clipEnd of suggested clipPressure can I run one of these on my stock motor. Absolutely this is why the check ball is. SoMorePressure can I run one of these on my stock motor. Absolutely this is why the check ball is. So awesome is because it's made to utilize. The stock OEM PCV.

The cooling system on your vehicle is one of the most important and yet neglected parts of the car

Nothing can leave you stranded faster than not replacing a rubber hose before it goes bad. I recommend inspecting your hoses and couplings every two years or so. As they age, they have a tendency to get hard and brittle. When you gently squeeze a hose, it should be relatively soft and easy to indent with your hand.

Project Photos

Figure 1 With the front of the vehicle removed you can see the major hoses you will want to check or replace. Note; you do NOT need to remove the front of the car to perform this work this is strictly for demonstration purposes.

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