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<h2>What is a CV axle shaft?</h2>
Most front-wheel drive automobiles, many all-wheel drive vehicles, and some rear-wheel drive vehicles all have CV joints. A CV joint is a joint made with the least amount of internal play and friction possible to transmit consistent power through a wide variety of angles. Two CV joints are located on either end of a CV shaft, which enables the front wheels to turn left and right and the suspension to flex over bumps as the vehicle is being pushed ahead. Vehicles with two-wheel drive have two CV shafts, whereas those with all four-wheel drive might have up to four CV shafts.&nbsp;
A <a href="/blogs/what-does-a-cv-axle-do">CV axle shaft works</a> by transferring power from the vehicle's transmission to the wheels while accommodating changes in wheel position and suspension movement without causing power loss or mechanical binding.&nbsp;
<h2>What are CV axle failure symptoms?</h2>
The following <a href="/blogs/signs-of-a-bad-cv-axle-shaft">signs of a bad CV axle</a> will let you know if you need to repair or replace your CV axle shaft：&nbsp;
<ul>
<li>Grease on the inside or edge of the tires</li>
<li>Vibration while driving&nbsp;</li>
<li>&ldquo;Clicking&rdquo; noises when turning</li>
<li>A knocking sound&nbsp;&nbsp;</li>
</ul>
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CV Axle Shaft

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Air Filter Box

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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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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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Intercooler

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Oxygen Sensor

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Pressure Sensor

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Throttle Body

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Vacuum Pump

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Camshaft Adjuster

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Timing Belt Kit

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

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Engine Oil Dipstick Tube

Engine Oil Filter

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Flywheel

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Oil Cooler Line

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Oil Filter

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Oil Filter Housing

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Oil Pump

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Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

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Connector Plug

Distributor Cap

Engine Valve Covers & Ignition Coils Kits

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Ignition Distributor

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Ignition Starter Switch

Ignition Switch Actuator

Knock Detonation Sensor

Relay

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Spark Plug

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Spark Plug Wire

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Engine Wiring Harness

Intake Manifold Repair Kit

Engine Components & Accessories

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Auxiliary Water Pump

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Engine Cooling

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Exhaust Manifold

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Nitrogen Oxide Sensor

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Secondary Air Injection Check Valve

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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.

2003 Mercury Mountaineer CV Axle Shaft

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