Chain structure type: separate
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View More >>Before replacement, disconnect the battery to prevent accidental engine start, and drain the engine oil to avoid contaminating the workspace.
It is recommended to use an engine support bracket to keep the engine stable and safe during disassembly and installation.
Ensure that all specialized timing chain tools are prepared, including tensioner installation tools, sprocket removal tools, and a torque wrench.
Huzhou Nanxun Jingtong Auto Parts Manufacturing Co., Ltd. specializes in automotive engine timing chain system products, mainly including:
| Product Type | Material | Standard | Features |
|---|---|---|---|
| Timing Chain | High-carbon chromium alloy steel | GB/T14212-2003 / JB/T10348-200 | High wear resistance, tensile strength, long service life |
| Guide | High-strength polyamide with metal core | GB/T14212-2003 | High temperature resistance, reduced friction, noise reduction |
| Tensioner | Alloy steel with oil piston | GB/T14212-2003 | Precise tensioning, automatic adjustment, ensures chain stability |
Before removal, use a marker to mark the crankshaft and camshaft gear positions to prevent misalignment during reassembly, which can damage the engine.
During removal, avoid scratching sprocket teeth or guide surfaces, as this may affect the lifespan of the new chain.
When using products from Huzhou Nanxun Jingtong, ensure that the chain, guide, and tensioner clearances are within the standard range.
After installing the new tensioner, manually stretch the chain to fully contact the guide before releasing the tensioner.
Sprocket and tensioner bolts should be tightened gradually in a cross pattern to prevent uneven chain stress.
After installation, rotate the engine manually for two turns to ensure smooth chain operation without binding.
Start the engine and observe noise and vibration, checking that the tensioner has adjusted automatically.
It is recommended to check chain tension and wear again within 5,000 km after replacement to ensure long-term stability.
For high-mileage or older vehicles, it is recommended to replace both the chain guide and tensioner to prevent chain skipping or engine damage.
The products from Huzhou Nanxun Jingtong Auto Parts Manufacturing Co., Ltd. use advanced manufacturing technology and strict quality control, ensuring stable quality for the chain, guide, and tensioner, which significantly extends the service life of the timing system.