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Wholesale Car Engine Timing Chain Tensioner Manufacturers

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Tensioner is a commonly used holding device on the belt and chain transmission system, which is characterized by maintaining that the belt and chain can have appropriate tension during the transmission process, so as to avoid belt slipping, or prevent the synchronous belt from dragging out due to tooth skipping and tooth detachment. Or it can prevent the chain from loosening and falling off, and reduce the wear of chain wheel and chain.
  • Audi timing chain tensioner 1201
    Audi timing chain tensioner 1201

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1202
    Audi timing chain tensioner 1202

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1203
    Audi timing chain tensioner 1203

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1204
    Audi timing chain tensioner 1204

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1205
    Audi timing chain tensioner 1205

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1206
    Audi timing chain tensioner 1206

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1207
    Audi timing chain tensioner 1207

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1208
    Audi timing chain tensioner 1208

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1210
    Audi timing chain tensioner 1210

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1211
    Audi timing chain tensioner 1211

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1212
    Audi timing chain tensioner 1212

    Category: Audi timing chain tensioner

  • Audi timing chain tensioner 1213
    Audi timing chain tensioner 1213

    Category: Audi timing chain tensioner

Car Engine Timing Chain Tensioner Manufacturers

Huzhou Jingtong Auto Parts Manufacturing Co., Ltd is China car engine Timing Chain Tensioner manufacturers and OEM car engine Timing Chain Tensioner 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.

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

Timing Chain Tensioner Replacement Guide: Man-hours, Costs and Precautions

The Timing Chain Tensioner is a key component of the engine timing system, responsible for maintaining proper tension on the chain and ensuring that the valve and piston movement are synchronized. Once the tensioner fails, it may cause the chain to jump teeth, abnormal engine noise, or even serious damage to the engine. This guide will detail the replacement man-hours, cost budgets and precautions to help car owners or repair technicians complete maintenance efficiently.

1. When do you need to replace the timing chain tensioner?

Common fault signs:
Abnormal engine noise (metal friction or "clicking" sound, especially during cold start)
Difficulty starting (chain slack causes timing misalignment)
Fault light on (some models will report timing-related fault codes such as P0016/P0017)
Power reduction or jitter (valve timing misalignment affects combustion efficiency)

Recommended replacement cycle:
Generally replaced simultaneously with the timing chain, about 80,000 to 150,000 kilometers (refer to the vehicle manual for details). Some hydraulic tensioners may fail prematurely due to insufficient oil pressure and need to be checked regularly.

2. Replacement time: Difficulty of disassembly and assembly for different models

Vehicle Type Estimated Time (hours) Description
Transverse-mounted FWD engines (e.g., Honda, Toyota) 3~5 More spacious engine bay makes timing cover removal relatively easier
Longitudinal RWD vehicles (e.g., BMW, Mercedes) 6~10 Requires removal of additional components (cooling fan, brackets, etc.)
V-configuration engines (e.g., VW VR6, American V8) 8~12 Complex structure with potential dual timing systems (left/right banks)
Hybrid/Turbocharged models +1~2 hours Additional steps for high-voltage systems or turbo piping

Note:
Some models require the removal of the engine bracket or oil pan, which increases the time.
If the chain or guide rail is worn and needs to be replaced simultaneously, the time may be extended by more than 50%.

3. Key points

(1) Preparation before replacement
Confirm the source of the fault: Use the diagnostic instrument to read the fault code and eliminate problems such as insufficient oil pressure.
Prepare the tools: Special timing tools (such as camshaft locating pins) are required to avoid misalignment.
Check chain wear: If the chain stretches beyond the limit (such as the length exceeds the standard by 3%), the entire set must be replaced.

(2) Disassembly and assembly points
Mark the timing position: Align the crankshaft and camshaft marks before disassembly to avoid installation misalignment.
Clean the oil circuit: The hydraulic tensioner relies on oil pressure, so impurities in the oil channel need to be cleaned.
Torque specification: The timing cover bolts must be tightened according to the manual (overtightening may cause oil leakage).

(3) Inspection after replacement
Crank the crankshaft manually for 2 turns: confirm that there is no interference before starting the engine.
Monitor abnormal noise: check whether the tensioner is working properly at idle speed.
Monitor power during road test: ensure that there is no shaking or acceleration failure.

4. FAQ

Q1: Can I replace only the tensioner without replacing the chain?
If the chain is slightly worn (e.g. within 100,000 kilometers), it can be replaced separately; but if it exceeds 150,000 kilometers, it is recommended to replace the entire set.

Q2: Does the hydraulic tensioner need to be "activated" after installation?
Some models require pre-pressurizing the oil chamber or idling for a few minutes after starting to allow the oil to fill the tensioner.

Q3: Is DIY replacement feasible?
A certain mechanical foundation and special tools are required. Incorrect installation may cause the engine to top the valve, which is a high risk.