Does the Lexus GX 460 have a timing chain?
Yes, the Lexus GX 460 has a timing chain, not a timing belt. The timing chain is a critical component in the engine that ensures the proper synchronization of the valves and pistons, allowing the engine to run smoothly and efficiently.
What is a Timing Chain?
A timing chain is a metal chain that connects the crankshaft to the camshaft(s) in an internal combustion engine. It is responsible for precisely timing the opening and closing of the engine's valves, which allows the engine to intake air and fuel and expel exhaust. Unlike a timing belt, which is made of rubber and needs to be replaced periodically, a timing chain is designed to last the lifetime of the engine with proper maintenance.
Lexus GX 460 Engine and Timing Chain
The Lexus GX 460 is equipped with a 4.6-liter V8 engine that uses a timing chain to synchronize the engine's valvetrain. This engine, known as the 1UR-FE, has been used in various Toyota and Lexus models since the mid-2000s and is known for its reliability and durability.
The timing chain in the Lexus GX 460 is designed to last for the entire lifespan of the engine, typically around 200,000 miles or more with proper maintenance. Unlike a timing belt, which needs to be replaced every 60,000 to 100,000 miles, the timing chain in the GX 460 does not require periodic replacement, saving owners the cost and hassle of a major service.
Maintaining the Timing Chain
While the timing chain in the Lexus GX 460 is designed to be long-lasting, it still requires regular maintenance to ensure it continues to function properly. This includes:
- Regularly changing the engine oil and filter according to the manufacturer's recommendations
- Inspecting the timing chain for any signs of wear or damage during routine service
- Addressing any issues with the engine's cooling system, as overheating can accelerate timing chain wear
- Avoiding excessive engine revving or towing heavy loads, which can put additional stress on the timing chain
By following the recommended maintenance schedule and being mindful of the engine's usage, Lexus GX 460 owners can help ensure the timing chain lasts for the life of the vehicle.
How reliable is the Lexus GX 460 engine?
Lexus GX460 Reliability Rating Breakdown. The Lexus GX460 Reliability Rating is 3.5 out of 5.0, which ranks it 5th out of 14 for luxury midsize SUVs. The average annual repair cost is $770 which means it has average ownership costs.
Does the GX460 have a timing chain or belt?
2018 Lexus GX 460 Engine Timing Chain.
At what mileage should a timing chain be replaced?
between 80,000 and 100,000 miles
When Should It be Replaced? Unless your engine has a specific replacement interval, the commonly accepted mileage is between 80,000 and 100,000 miles. However, the timing chain isn't necessarily a maintenance item and can last the engine's life, provided you change the oil regularly and maintain the rest of the engine.
What is the life expectancy of a timing chain?
Unless your engine has a specific replacement interval, the commonly accepted mileage is between 80,000 and 100,000 miles. However, the timing chain isn't necessarily a maintenance item and can last the engine's life, provided you change the oil regularly and maintain the rest of the engine.
Is Lexus gx460 expensive to maintain?
A Lexus GX 460 will cost about $7,856 for maintenance and repairs during its first 10 years of service. This beats the industry average for luxury SUV models by $6,296.
Do Lexus timing chains need to be replaced?
The timing chain in this engine should last the life of the engine, so you do not have to replace it at any interval.
How much does it cost to replace the timing chain on a Lexus GX460?
The average cost for a Lexus GX460 Timing Chain Tensioner Replacement is between $1,478 and $1,759.
How can I tell if my car has a timing belt or a timing chain?
You can also check under the bonnet – if it has a plastic cover on the front, it uses a timing belt because it runs dry and doesn't need extra protection. In contrast, if you find that it is sealed under a metal cover (to prevent leaks), then it is quite likely fitted with a timing chain.
How much does it cost to replace a timing chain on a Lexus?
The average cost for a Lexus RX350 Timing Chain Tensioner Replacement is between $2,059 and $2,481. Labor costs are estimated between $1,618 and $2,040 while parts are typically priced around $441.
What year did Lexus start using timing chains?
It depends on the year. Since 2007 the engine uses a timing chain for durability. You can inspect the engine closely and tell, if you have any question.
