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<h2><span style="font-size: 18px;">Function of the camshaft timing gear</span></h2><p><span style="font-size: 14px;">The camshaft timing gear, also known as the camshaft sprocket or cam timing gear, is a key component in the internal combustion engine. On the one hand, the cam timing gear is connected to the camshaft and can control the opening and closing of the engine's intake and exhaust valves. On the other hand, it can be synchronized with the crankshaft. This synchronization ensures that the camshaft rotates at half the speed of the crankshaft, thereby maintaining correct valve timing relative to the piston position. In addition, the operation of the variable valve timing (VVT) system is ensured. In modern engines, some camshaft timing gears are equipped with advanced mechanisms to achieve variable valve timing. The camshaft sprocket plays a vital role in controlling the valve timing of an internal combustion engine. Its precise operation ensures efficient combustion, power delivery, and overall engine performance.</span></p><h2><span style="font-size: 18px;">Camshaft timing gear vs. crankshaft timing gear</span></h2><p><span style="font-size: 14px;">The camshaft timing gear and the crankshaft timing gear are integral parts of an engine's timing system. The former controls the intake and exhaust valve operation, and it is driven by the crankshaft timing gear and rotates at half the speed of the crankshaft. While the latter, mounted on the main rotating crankshaft, facilitates the transfer of rotational power to the camshaft timing gear. Together, they collaborate to maintain accurate valve timing.</span></p><h2><span style="font-size: 18px;">What are the symptoms of a bad camshaft timing gear?</span></h2><p><span style="font-size: 14px;">Some common symptoms of a bad or faulty camshaft timing gear to watch out for:</span></p><ul><li><span style="font-size: 14px;">A worn or damaged camshaft sprocket can cause incorrect valve timing, which can lead to engine misfiring or a rough engine running. You may experience a lack of power, hesitation, or a significant decrease in engine performance while driving.</span></li><li><span style="font-size: 14px;">When accelerating hard or climbing steep hills, you may feel a reduction in power output or a noticeable loss of acceleration, accompanied by rattling, clicking, or knocking sounds in the engine compartment.</span></li><li><span style="font-size: 14px;">A damaged camshaft timing gear can disrupt engine timing, causing engine starting problems and even intermittent stalling.</span></li></ul><p><span style="font-size: 14px;">If you experience any of these symptoms, it is recommended to promptly diagnose the problem and determine whether the camshaft timing gear or related components need repair or replacement.</span></p><h2><span style="font-size: 18px;">High quality to enhance your driving experience: A-Premium auto parts</span></h2><p><span style="font-size: 14px;">A-Premium's camshaft timing gear is built with precision engineering and durable materials. It not only provides excellent engine performance and combustion efficiency for your car but also effectively reduces noise and vibration for a smoother and quieter driving experience. At the same time, we provide you with a 3-year warranty and 90-day free return service to ensure that your consumption is worry-free. Choose A-Premium and inject exceptional power into your engine!</span></p>

Camshaft Timing Gear

Air Cleaner

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Air Filter Box

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Air Flow Sensor

Air Intake Duct

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Air Intake Hose

Air Intake Manifold Actuator Control Solenoid

Air Intake Manifold Flap Adjuster

Air Intake Manifold Runner Control Sensor

Air Intake Resonator

Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

Intake Manifold Flap Actuator

Intake Manifold Repair Bracket

Intake Manifold Runner Control Valve

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Intercooler

Intercooler Hose

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Oxygen Sensor

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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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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 Hose

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Crankcase Breather Valve

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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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Radiator Control Fan Module

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Radiator Core Support Skid Bar Plate

Radiator Fan Cooling Motor

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Radiator Hose

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Radiator Support Assembly

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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.

GMC Envoy XL Camshaft Timing Gear