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The crankcase holds the crankshaft and encloses other important engine parts. With so many things going on inside this metal casing, pressure buildup is almost inevitable. To prevent this buildup, a pipe known as the crankcase breather is used for releasing trapped air and steam. If there's any crack in the pipe, however, more gas will be released, which is bad for the engine. With a damaged breather pipe, there will be an oil leak dripping through all those crevices. What's more, any blockage in the pipe can also lead to excessive oil use. To fix the problem, others simply wrap the damaged pipe with duct tape or use a seal. However, this is not a long-term solution against possible engine failure. The best thing to do is to have the damaged crankcase breather replaced with a durable pipe. Fortunately, we have crankcase breather replacements built to withstand high pressure and exposure to other dust and elements. They can be easily attached to the crankcase and other outlets since they're designed to be a direct fit. Through round-the-clock customer service, we can help you find the perfect OE replacement. Get huge savings when you shop at Auto Parts Warehouse. Place an order now!
Tips on Buying a Replacement Crankcase Breather
The components that make up your automobile are made from some tough stuff, but over time, they will have to be replaced. The crankcase breather in your car's engine is one of them. Typically, a crankcase breather should be replaced once every 12,000 miles along with the PCV valve, but if it becomes extremely clogged with oil and dirt, it should be replaced immediately. Luckily, crankcase breathers are not that hard to install in the engine and are easy to find in the market. In this guide, we are going to show you some pointers on buying a replacement crankcase breather for your vehicle.
Types of breather
There are different types of crankcase breather on the market. Some of these include:
- Alloy base
to atmospherebreather: This crankcase breather is fitted with a 13mm diameter neck leading to a crushed aluminum filtration medium that's resistant to most chemicals and one that absorbs moisture. Some models also come with either polished silver or anodized filter caps.
- Rubber base
to atmospherebreather: This is similar to the alloy base
to atmospherebreather except that, as its name implies, it has a rubber base. It also comes in more varied neck diameters, ranging from 13mm to 19mm.
- Alloy base sealed inline breather: This breather comes with a reticulated foam filter, which provides good filtration capabilities and high air intake. The filter can also be reusable and washed regularly. In addition, the breather also comes with a 13mm inlet and outlet neck for the air to come through.
Make sure that you get the right crankcase breather for your car. Installing the wrong kind of breather in your car may lead to oil dripping out of the valve cover gaskets.
In addition to original equipment manufacturer (OEM) replacement breathers, there are also aftermarket crankcase breathers that you can purchase. This type of breather is not made to follow the exact same specifications set by the manufacturer (as with OEM crankcase breather) but instead has its own unique features that may increase the efficiency of the engine or make it last longer than a factory breather. Some aftermarket breathers, for example, are made from lighter but more durable spun aluminum alloy, while some are fitted with special
media traps that collect more contaminants. However, these aftermarket components are not guaranteed to perform or last in a similar fashion as OEM breathers.
How to Change Your Car's Crankcase Breather
The crankcase breather is designed to vent oil-contaminated air out of the engine block. And when the breather in your car breaks down, the mixture will flow back into the engine directly or through the air filter. This, in turn, will spoil the optimum air-fuel ratio in the engine and lead to significant power loss. Typically, both the crankcase breather and the breather filter should be replaced every engine tune-up, but if these components already show signs of wear or they are extremely soiled, they must be replaced immediately. In this guide, we are going to teach you how to replace the crankcase breather components in your car.
Difficulty level: Moderate
- Flat-head and Philips screwdrivers
- Damp cloth
- Can of compressed air
Step 1: Pop open the hood and look for the crankcase breather. The breather's location is dependent on the car make and model, so the car's user manual is a good reference.
Step 2: Once you've found the crankcase breather in your vehicle, loosen the fasteners of the filter housing cover and lift out the cover and the air filter itself. Check the condition of the filter; it it's completely dirty, replace it with a new one. If it's fairly in good condition, clean it using a can of compressed air.
Step 3: Remove the crankcase breather element. If it is too oily and dirty, it will have to be replaced as well.
Step 4: Remove the fasteners or retaining clips that hold the crankcase breather housing in place and lift the housing out. Once the housing is free, detach the breather itself.
Step 5: Clean any accumulated debris on the crankcase breather housing and install the new breather.
Step 6: Clean the filter housing cover with a damp cloth. Replace the filter housing cover and the air filter.
Step 7: With all the components back in their places, close the hood and test drive your car.
- Be sure that the engine is turned off and cooled down before you start working on the crankcase breather.
- Be careful not to get any dirt or debris in the air duct when replacing or cleaning the crankcase breather components.
- Keep all the screws and fasteners in one place to prevent them from getting misplaced