Why does my Land Rover engine make knocking o r rattling noises and what could it mean?
Home >
Gari Forums >
Land Rover Forums >
Land Rover Discovery 4 Forums >
Land Rover Discovery 4 Engine Forums
Why does my Land Rover engine make knocking o r rattling noises and what could it mean?
Many Land Rover owners report persistent engine noise like knocking, ticking, o r rattling especially during cold starts o r under load. This could indicate issues like timing chain wear, worn lifters, o r internal engine component stress that, if ignored, might lead to poor performance o r costly failures. What are the typical causes of these noises on Land Rover engines, how serious are they, and how should they be diagnosed and fixed in Pakistan?
1 Answer
10 views |
Talha Kyanii asked on 11 Dec 2025 12:10:47 pm
1 Answer
Gari Master - on 11 Dec 2025 12:11:50 pmKnocking o r rattling in Land Rover engines is often caused by:
Timing chain wear o r slack: Land Rover engines, especially the V6 and V8, are known for timing chain stretch over time. This can produce a rattling sound at startup o r under acceleration.
Worn lifters o r cam followers: Hydraulic lifters may wear out, causing ticking o r knocking sounds.
Low-quality o r degraded fuel: In Pakistan, the use of inconsistent octane fuels can cause knocking pre-ignition in petrol engines.
Carbon buildup in combustion chambers: Can also cause knocking and reduced performance.
What to do:
Inspect timing chains and guides for wear.
Check lifters and valve operation.
Use recommended fuel grades.
Timing chain wear o r slack: Land Rover engines, especially the V6 and V8, are known for timing chain stretch over time. This can produce a rattling sound at startup o r under acceleration.
Worn lifters o r cam followers: Hydraulic lifters may wear out, causing ticking o r knocking sounds.
Low-quality o r degraded fuel: In Pakistan, the use of inconsistent octane fuels can cause knocking pre-ignition in petrol engines.
Carbon buildup in combustion chambers: Can also cause knocking and reduced performance.
What to do:
Inspect timing chains and guides for wear.
Check lifters and valve operation.
Use recommended fuel grades.
Related Topics
User Also Viewed





