2012 Land Rover LR4 Engine Makes A Ticking Noise

Diagnosing the Causes of Ticking Noises in Your 2012 Land Rover LR4 Engine and Recommended Solutions

Find Repair Location
Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
12% chance it's the
Exhaust Leak
0%
88% chance it's
Something else
The most common reasons a 2012 Land Rover LR4 engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak.
  • Exhaust Leak: A damaged exhaust manifold or a loose connection in the exhaust system can cause an exhaust leak, resulting in increased noise and potential loss of engine power.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2012 Land Rover LR4 engine makes a ticking noise?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

If the drive belt idler pulley fails, there will be a very audible chirping noise from the front of the engine. This is because the idler pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to slip off. If the belt falls off, the accessory that it drives will no longer function. For instance, if the alternator belt idler pulley fails, the alternator may stop functioning. Also if the pulley begins to wobble, allowing slack in the belt, it will make an extremely loud squeaking or screeching noise, especially on cold starts. This is the belt slipping on the crankshaft pulley, and will require belt replacement once the idler pulley is replaced.

If the drive belt tensioner fails, there will be a very audible chirping, grinding, or rattling noise from the front of the engine. This is because the tensioner pulley bearing is no longer smooth, and rotating causes metal to grind at high speeds. If it is not changed immediately, there is a chance it will become dislodged, or allow the drive belt to lose tension, or break. If the belt falls off, the accessory that it drives will no longer function. Also, if the tensioner spring fails, allowing slack in the belt, it may make an extremely loud squeaking or screeching noise combined with a rattle as the tensioner bounces back and forth under load. The squealing noise is the belt slipping on the crankshaft pulley, and will require belt replacement once the belt tensioner is replaced.

An engine leaking oil does not always make a puddle on the ground. A burning smell may be noticed from the front of the vehicle after driving. This is because engine oil leaks may fall onto hot engine components, especially the exhaust manifold, and burn off before making it to the ground. This poses a risk to the engine because the leak going unnoticed may deplete the engine oil reserve, and lead to an oil starvation issue. Some engine oil leaks only occur while the engine is running, so the leak may be larger than the small spot on the ground makes it seem.

Noises can be accompanied by many annoying or worrisome sensations. Consider the noise of grinding brakes, the noise sounds much like the brake pedal and steering wheel feel. This is important, as random noises can be difficult to replicate without knowing when the sound occurs, what must be done to make the sound, and what sound it is. Any professional technician can replicate and diagnose most noises, but to ensure the vehicle is more quickly diagnosed, make sure you tell your technician these three pieces of information.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What could be causing the ticking noise in a 2012 Land Rover LR4 engine?

When diagnosing the ticking noise in a 2012 Land Rover LR4 engine, it's essential to adopt a systematic approach that prioritizes simpler solutions before delving into more complex issues. Start by using a mechanics stethoscope to pinpoint the noise's origin, focusing on areas like the lifters, valves, and VVT solenoids, as these components are often culprits in ticking sounds. Next, inspect the exhaust manifold for any loose bolts or cracks, as these can create a ticking or chuffing noise, especially under acceleration. If the noise persists, check the engine mounts and accessory belt tension, as worn mounts can lead to engine movement that produces noise. Additionally, ensure that the oil pressure is adequate, as low oil pressure can contribute to ticking sounds, particularly when the engine is under load. Finally, consider environmental factors, as colder temperatures may exacerbate the noise. By following this diagnostic approach, you can effectively narrow down the potential causes and address the issue with confidence.

What are the common causes of a ticking noise in the engine of a 2012 Land Rover LR4?

When diagnosing a ticking noise in the engine of a 2012 Land Rover LR4, several common problems should be considered. One potential culprit is the hydraulic lifters, which can become stuck or worn, leading to a noticeable ticking sound, especially during idle or light load conditions. Another area to investigate is the exhaust manifold, where sheared bolts or leaks can create a chuffing noise that varies with engine load. Additionally, while the timing chains may not seem like the source, it's essential to rule them out, as stretched or loose chains can produce similar sounds. The Variable Valve Timing (VVT) solenoids are also worth checking, as a malfunction here can affect engine noise. Furthermore, worn engine mounts can cause excessive engine movement, resulting in various noises, including ticking. Low oil pressure, often due to an oil pump issue or incorrect oil viscosity, can lead to inadequate lubrication and ticking sounds as well. Lastly, consider inspecting the intake area for any sensors or components that may be contributing to the noise. By systematically checking these areas, DIYers can effectively narrow down the source of the ticking noise and take appropriate action to resolve the issue.

How urgent is it to address the ticking noise in the engine of a 2012 Land Rover LR4?

Addressing the ticking noise in your 2012 Land Rover LR4 is crucial, as neglecting it can lead to significant engine damage and costly repairs. The urgency of the situation largely depends on the underlying cause of the noise. For instance, if the ticking is linked to lifters or hydraulic valves, while it may not seem critical initially, it can escalate into more severe problems if left unchecked. Similarly, if the noise is associated with Variable Valve Timing (VVT) solenoids or sensors, it could indicate a malfunction that requires immediate attention to prevent further engine complications. Symptoms such as changes in the noise with load and RPM, or a constant presence that worsens at higher RPMs, signal that the issue may be more serious and warrants prompt inspection. Therefore, it is advisable to monitor your engine's performance closely and seek a professional mechanic's evaluation to determine the exact cause of the ticking noise. Taking action sooner rather than later can help safeguard your vehicle's performance and longevity, ultimately saving you from more extensive repairs down the line.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.