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<h2>Bad crankcase breather hose&nbsp;symptoms</h2>Issues with the crankcase breather hose can manifest in various problematic symptoms. These include oil leaks, engine oil pollution, irregular idling or stalling, excessive oil consumption, heightened emissions, engine knocking or pinging, and decreased overall engine efficiency. The root cause is that a damaged or clogged vent hose can lead to pressure imbalances in the crankcase. This, in turn, forces oil out through unintended openings, contaminates the oil supply, and disrupts the engine's proper breathing and combustion.Addressing problems with the crankcase breather hose is critical for maintaining engine health and performance. Any of the symptoms mentioned should prompt a thorough inspection and potentially replace this important component.<h2 style="text-align: justify;">Crankcase breather hose replacement</h2><ol><li style="text-align: justify;">Locate and disconnect the old hose: Find the breather hose, typically running between the valve cover and air intake, and carefully disconnect it from both ends, loosening any clamps or fasteners.</li><li style="text-align: justify;">Inspect the old hose: Examine the removed hose for any cracks, holes, or signs of deterioration that may have caused the issue.</li><li style="text-align: justify;">Install the new replacement hose: Obtain the correct replacement hose and gently push it onto the valve cover and air intake connections, securing it in place with any necessary clamps or fasteners.</li><li style="text-align: justify;">Secure the new hose: Use zip ties or small hose clamps to hold the replacement breather hose firmly in place and prevent any movement or rubbing against other engine components.</li><li style="text-align: justify;">Check for leaks and clear codes: Start the engine and inspect the connections for any oil or air leaks, tightening if needed. Then use an <a href="https://a-premium.com/code-readers-and-scanners">OBD-II</a> scanner to clear any trouble codes that may have been set by the old, faulty hose.</li></ol><h2>Breathe easy with A-Premium</h2>A-Premium's crankcase breather hose is built to withstand the rigors of the engine bay. Crafted from premium, heat-resistant materials, our hose offers superior durability and flexibility to outlast the competition. The precision-fitted design and airtight seals ensure optimal crankcase ventilation for improved engine efficiency and longevity. Corrosion-resistant construction and chemical compatibility make this breather hose a reliable choice you can trust. Backed by our industry-leading warranty, the A-Premium crankcase breather hose is the smart solution for maintaining peak engine health. Additionally, our commitment to you extends beyond just a 90-day return window and a 1-year warranty - our customer service team is on hand 24 hours a day, 7 days a week to address your needs.

Crankcase Breather Hose

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Air Cleaner

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Air Filter Box

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Mass Air Flow Sensors/Car MAF Sensors | A-Premium

Air Flow Sensor

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Air Intake Duct

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Air Intake Hose

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Air Intake Manifold Actuator Control Solenoid

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Air Intake Manifold Flap Adjuster

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Air Intake Manifold Runner Control Sensor

Air Intake Resonator

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Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

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Intake Manifold Flap Actuator

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Intake Manifold Repair Bracket

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Intake Manifold Runner Control Valve

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Intercooler

Intercooler Hose

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Oxygen Sensor

Car Oxygen Sensor Price From $24.99 | A-Premium

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Pressure Sensor

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Supercharger Pulley Drive Unit

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Supercharger Snout Rebuild Kit

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Throttle Body

Throttle Cable

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Throttle Position Sensor

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Turbocharger

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Turbocharger Gasket Kit

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Turbocharger Oil Line

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Vacuum Pump

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Air Filters & Intake Systems

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Camshaft Adjuster

Camshaft Adjuster Cover

Camshaft Kit

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Camshaft Timing Gear

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Camshafts

Chain Tensioner Adjuster

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Cylinder Head

Cylinder Head Assembly

Eccentric Shaft Actuator

Engine Timing Belt

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Engine Valve Cover

Engine Valve Cover Gasket

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Harmonic Balancer

Rocker Arm

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Rocker Arm Shaft Lifter Assembly

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Timing Belt Kit

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Timing Chain Gear

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

Valve Cover Gasket

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Valve Lifter Guides

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Valve Lifters Tappet

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Cams, Timing & Valvetrain

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Belt Tensioner

Coolant Level Sensor

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Crank Installer Tool

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Crankcase Breather Valve

https://yt-prod-media-assets.s3.us-east-2.amazonaws.com/2022/item/description/image0f26e0448a8b4d72a06bbefb2c03ab27.txt

Crankshaft Position Sensor

Crankshaft Pulley

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Engine Oil Dipstick

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

Harmonic Balancer Crankshaft Hub

Knock Sensor

Oil Baffle

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Oil Cooler

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Oil Cooler Line

Oil Drip Pan

Oil Filler Cap

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Oil Filter

Oil Filter Base

Oil Filter Cover

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Oil Filter Housing

Oil Filter Housing Cover

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Oil Level Sensor

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Oil Pan

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Oil Pump

Oil Pump Drive Gear Shaft

Oil Pump Pickup Tube

Oil Separator

Serpentine Belt

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Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

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Electronic Ignition System

Engine Valve Covers & Ignition Coils Kits

Glow Plug

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Glow Plug Relay Module

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Ignition Coil

Ignition Coils & Spark Plugs & Wires Kits

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Ignition Coils & Spark Plugs Kits

Ignition Coils & Wires Kits

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Ignition Distributor

Ignition Lock Cylinder

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Ignition Starter Switch

Ignition Switch Actuator

Kill Switch

Knock Detonation Sensor

Relay

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Spark Plug

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Spark Plug Wire

Electronic Control Modules, Ignition & Distributors

Engine Wiring Harness

Intake Manifold Repair Kit

Pulley

Engine Components & Accessories

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Active Grille Shutter Actuator

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Auxiliary Water Pump

Drive Motor Inverter Cooler

Electric Engine Water Pump

Engine Coolant Air Bleeder Valve

Engine Coolant Pipe

Engine Coolant Shut Off Valve

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Expansion Tank

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Expansion Tank Mounting Plate

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Fan Pulley Bracket

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Fuel Cooler

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Overflow Hose Connector

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Radiator

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Engine Cooling

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The engine comprises many essential elements such as the lower cylinder block, upper cylinder head(s), and the cooling & lubricating systems. With A-Premium aftermarket engine components, you can expect that your engine deliver years of reliable performance. We offer a diverse selection of engine components from air filters and ignition coils (kits) to fuel pumps to cater to your needs.

BMW 645Ci Crankcase Breather Hose