Why is my Chevy Malibu making a clicking noise?

In many Chevys Malibu models, a clicking noise usually points to one of a few common issues: engine-related valvetrain or lubrication concerns, a worn CV joint, or an exhaust leak. Quick diagnosis can prevent bigger problems down the line.

The source of a clicking sound depends on when and where you hear it. Engine-related ticks often come from lifters or valve-train components and can be influenced by oil level or oil quality. Drivetrain noises—like clicking when turning—usually indicate a CV joint or axle issue, while a ticking or tapping near the exhaust can signal a leak or a loose heat shield. Belt-driven accessories and other under-hood components can also produce rhythmic clicking if a pulley, tensioner, or bearing is failing. A careful inspection, road test, and, if needed, professional diagnosis are recommended, especially if the noise is persistent, sharp, or accompanied by performance changes.

Common engine and valvetrain sources

The following items are the most typical engine-related culprits to check first if the noise seems to originate from the engine bay.

Valvetrain and lubrication clues

• Low oil level or degraded oil that can cause lifters to tick or cam lobes to sound rough.


• Sticking hydraulic lifters or worn cam/lifter components leading to rhythmic tapping.


• Loose or damaged rocker arms or valve springs producing a clicking or clattering noise.


• Exhaust leak near the manifold or a loose heat shield that can sound like a tick, especially as the engine warms up.


• Timing chain tensioner or worn timing chain can create a rhythmic ticking sound in older engines.

If these symptoms match what you hear—especially a tick that changes with engine RPM or a light metallic knock at startup—start with oil level/condition checks and a visual inspection of the exhaust manifold and connections. A professional can perform a more precise valve-train check if needed.

Drivetrain and external sources

Noise that appears when turning, accelerating, or going over bumps often points to drivetrain or exterior components rather than the engine itself.

CV joints, wheels, and exhaust components

• Worn or damaged CV joints/axles that click when turning at low speed; torn CV boots can leak grease and accelerate wear.


• Bad wheel bearings or worn hub assemblies that produce clicking or clunking sounds during cornering or at speed.


• Exhaust components such as a loose heat shield or a small exhaust leak that creates ticking or rattling, particularly when the exhaust is hot.


• Belt-driven accessories (alternator, power steering pump, AC compressor) or a failing tensioner/pulley that emits a rhythmic clicking or chirp.

In cases where the noise is tied to steering input or road speed, suspect CV joints or bearings first; if the sound is more of a metallic rattle near the undercarriage that changes with engine heat, inspect exhaust shields and gaskets. A test drive with a service technician can help identify the exact component involved.

What to do next: diagnostic steps

To identify the source safely and efficiently, follow a structured diagnostic approach before committing to repairs.

1. Check the engine oil level and condition; if low or dirty, perform the recommended oil change and note whether the noise subsides.


2. Inspect for obvious exhaust leaks around the manifold, gaskets, joints, and heat shields; look for cracks or missing hardware.


3. Test drive with attention to when the noise occurs (idle, acceleration, steady cruise, turning) and note any changes with load or speed.


4. Examine the CV boots and axle area for grease or boot tears; a damaged boot often precedes CV joint failure.


5. Scan for diagnostic trouble codes with an OBD-II tool to check for misfires, fuel trim issues, or sensor faults that could accompany mechanical noises.


6. Inspect belt-driven components (belt tension, alternator, power steering pump, AC compressor) for wear, looseness, or bearing noise.


7. If the noise persists, arrange a professional inspection. A technician can use listening tools or a stethoscope to accurately locate the source without guesswork.

Collecting details such as when the noise starts, how it correlates with engine speed, and whether it changes with load will help a mechanic reproduce and diagnose the issue more quickly.

Summary

Most clicking noises in a Chevrolet Malibu fall into a few categories: valvetrain lubrication or timing-related ticks, exhaust leaks or heat shield rattles, or driveline issues such as CV joints or bearings. A methodical check—starting with oil level and visible exhaust checks, then moving to drivetrain inspection and diagnostic codes—helps isolate the cause. Prompt maintenance and timely repairs, along with avoiding aggressive driving if the noise is severe, can prevent further damage and keep your Malibu running smoothly.

Why is my Chevy making a ticking noise?

Low Oil Level or Oil Pressure
One of the most common causes of ticking sounds in engines is low oil. Oil lubricates the engine's moving parts, and if it's low, those parts can start to rub against each other, causing a ticking noise. It's also possible that the oil pressure is too low to properly lubricate everything.

Why is my car making a strange clicking sound?

Battery or Alternator Fault
There's probably something wrong with your car's electrical system if you hear a lot of clicking sounds. The issue may be caused by several things, but the biggest culprit is often a dead battery or an alternator that can't keep it charged.

What is the most common problem with Chevy Malibu?

The most common problems with the Chevy Malibu include engine and transmission issues (such as power loss and rough shifting), electrical system failures (like a failed Passlock sensor and instrument panel issues), and leaks (particularly oil and water from the third brake light). Specific models have also been recalled for issues like unstable driver's seats and problematic throttle controls.
 
This video discusses common problems with Chevy Malibu models from 2016 to 2022: 1mFixITYouTube · Mar 29, 2024
Engine and transmission problems

• Engine power loss: Some models experience a sudden loss of power, which has been linked to issues with the electronic throttle control and accelerator pedal position sensors. 
• Transmission issues: Common complaints include rough shifting, slipping, leaks, and issues with the gear selector and transmission computer. 
• Engine performance: Problems like hesitation and sluggishness have been reported, sometimes caused by a faulty high-pressure fuel pump. 

Electrical and ignition problems 

• Passlock sensor failure: A failed Passlock sensor can prevent the car from starting. 
• Instrument panel/dashboard issues: Flickering or dead dashboard lights, as well as a faulty dimmer module, are reported problems. 
• General electrical issues: This can include everything from a radio that turns on and off randomly to total battery drain overnight. 
• Ignition switch failure: Some models have experienced a "no start" condition due to a failed ignition switch. 

Other common issues

• Leaks: Oil and water leaks are frequently reported. Water can seep in from a loose third brake light, while oil leaks can be caused by issues with the piston or oil pan. 
• Driver's seat instability: Certain models have been recalled because of an improper weld in the power tilt-adjustment mechanism, which can cause instability. 
• Fuel gauge inaccuracy: The fuel gauge may not read correctly, sometimes accompanied by a check engine light. 

This video explains the top 5 problems for Chevy Malibu models from 2013 to 2015: 1m1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Apr 16, 2024

Is it safe to drive a car with clicking noise?

If there is a slight clicking sound, it should be safe to drive, but I recommend being cautious and possibly visiting the shop tomorrow. However, if the noise is a heavy clicking or grinding, I would advise against driving it.