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The main function of the engine timing chain is to drive the valve distribution mechanism of the engine, so that the engine inlet valve and exhaust valve can be opened or closed at an appropriate time to ensure that the engine cylinder can normally breathe in and exhaust; The timing chain transmission mode is reliable, durable and space saving. The hydraulic tensioner can automatically adjust the tension to make the chain tension consistent, free of maintenance for life and the same life as the engine; The timing chain has the inherent advantage of being sturdy and durable.
  • Audi timing chain 1213
    Audi timing chain 1213

    Category: Audi timing chain

  • Audi timing chain 1214
    Audi timing chain 1214

    Category: Audi timing chain

  • Audi timing chain 1215
    Audi timing chain 1215

    Category: Audi timing chain

  • Audi timing chain 1219
    Audi timing chain 1219

    Category: Audi timing chain

  • Audi timing chain 1220
    Audi timing chain 1220

    Category: Audi timing chain

  • Audi timing chain 1221
    Audi timing chain 1221

    Category: Audi timing chain

  • BMW timing chain 1402
    BMW timing chain 1402

    Category: BMW timing chain

  • BMW timing chain 1403
    BMW timing chain 1403

    Category: BMW timing chain

  • BMW timing chain 1404
    BMW timing chain 1404

    Category: BMW timing chain

  • BMW timing chain 1405
    BMW timing chain 1405

    Category: BMW timing chain

  • BMW timing chain 1406
    BMW timing chain 1406

    Category: BMW timing chain

  • BMW timing chain 1407
    BMW timing chain 1407

    Category: BMW timing chain

Car Engine Timing Chain Manufacturers

Huzhou Jingtong Auto Parts Manufacturing Co., Ltd is China car engine Timing Chain manufacturers and OEM car engine Timing Chain factory. We focus on auto engine timing chain kits, including timing chains, tensioners, guides, and gears. Our products are used for auto engine timing system parts. We have two our own manufacturing factory, we also have our own international sales department. we produce and sell all by ourselves. We will reply to you within 12 hours of the working day.

Honor & Certificate

  • GB/T14212-2003 Certificates
  • JB/T10348-200 Standard
  • GB/T14212-2003 Certificates
  • JB/T10348-200 Standard
  • GB/T14212-2003 Certificates
  • JB/T10348-200 Standard
  • Certificates
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INDUSTRY KNOWLEDGE

How to determine whether the timing chain needs to be replaced? Maintenance cost details

As a core component of the engine, the timing chain is responsible for accurately coordinating the operation of the crankshaft and camshaft. Once a failure occurs, it may cause serious damage to the engine. Although its life is longer than that of the timing belt, it is not "lifetime maintenance-free". The following are key indicators and maintenance cost analysis to determine when to replace it.

1. 5 signs that the timing chain needs to be replaced

Abnormal noise (metal friction/clattering sound)
When the chain is stretched or the tensioner fails, it will emit a clear "metal knocking sound" during cold start or low-speed operation (especially at the front end of the engine).
Note: The noise may be similar to other components (such as hydraulic top cylinders) and requires professional diagnosis.

Engine fault light is on
Chain skipping teeth will cause the camshaft and crankshaft signals to be out of sync, triggering fault codes (such as P0016/P0017).

Power reduction or ignition difficulty
Timing misalignment causes abnormal valve opening and closing, which is manifested as weak acceleration, increased fuel consumption, and even missing cylinders.

Insufficient oil pressure warning
The tensioner of some models depends on oil pressure. Oil deterioration or leakage can cause chain slack.

High mileage or lack of maintenance
Although it claims to be "maintenance-free", the actual life is affected by the quality of the oil (usually 150,000-250,000 kilometers need to be checked).

2. Detection method

Manual inspection: disassemble the valve cover and observe the chain slack or tensioner stroke (professional technicians are required).
Diagnostic instrument code reading: Check whether the camshaft/crankshaft position sensor data is synchronized.
Endoscope exploration: Some models can observe the chain status through the oil filling port.

3. Detailed explanation of maintenance costs

Item Cost Range (RMB) Description
Timing Chain Kit 800-3,000 RMB Includes chain, tensioner, and guides (price varies by brand, e.g., INA vs OEM)
Labor Cost 1,000-4,000 RMB Requires disassembly of engine front cover (4-8 hours, depending on model complexity)
Additional Repairs 500-2,000 RMB If replacing oil, seals, or related damaged parts (e.g., VVT sprocket)
Total Cost 2,300-9,000 RMB Higher for luxury cars or transverse-engine models

Money-saving suggestions:
Regular replacement of high-quality oil (full synthetic) can extend the life of the chain.
If only the tensioner fails, it can be replaced separately to reduce costs.

4. Common problems

❌ Misunderstanding: "Timing chain does not need to be replaced" → In fact, regular inspection is required (especially German turbocharged models).
⚠️ Risk warning: Delaying replacement may cause valve and piston collision, and repair costs may soar to tens of thousands of yuan!