1. 서론
This manual provides essential information for the installation and maintenance of the REVO Timing Chain Kit with VVT Gears. This kit is designed for specific BMW N20 engines to ensure precise engine timing and optimal performance. Proper installation is crucial for the longevity and correct operation of your vehicle's engine.
2. 호환성
This timing chain kit is compatible with BMW vehicles equipped with the 2.0T N20 engine, manufactured between 2012 and 2017/2018, depending on the specific model. Please verify your vehicle's engine code and model year before installation.
호환 모델:
- BMW 1 Series (F20) 125i 2.0T N20 B20 A (2012-2017)
- BMW 3 Series (F30, F80) 320i 2.0T N20 B20 A (2012-2018)
- BMW 3 Series Gran Turismo (F34) 320i 2.0T N20 B20 B (2013-2016)
- BMW 3 Series Touring (F31) 328i 2.0T N20 B20 A (2012-2015)
- BMW 4 Series Gran Coupe (F36) 420i 2.0T N20 B20 B (2014-2017)
- BMW 4 Series Gran Coupe (F36) 428i 2.0T N26 B20 A (2014-2016)
- BMW 5 Series (F10) 520i 2.0T N20 B20 B (2011-2016)
- BMW 5 Series Touring (F11) 528i N20 B20 A (2011-2017)
- BMW X1 (E84) xDrive 20i 2.0T N20 B20 A (2011-2015)
- BMW X3 (F25) xDrive 20i 2.0T N20 B20 A (2011-2017)
- BMW X5 (F15, F85) xDrive 40e 2.0T N20 B20 A (2015-2018)
- BMW Z4 Roadster (E89) sDrive 28i 2.0T N20 B20 A (2011-2016)
3. Kit Components and Specifications
The REVO Timing Chain Kit includes the following components, designed to meet original equipment (OE) standards for your BMW N20 engine.
포함된 부품:
- 1x Timing Chain (148 Link) - Reference: 11318648732; 11317516074; 11317584084
- 1x Timing Chain Tensioner - Reference: 11317567680; 11311439851
- 2x Timing Chain Guides - Reference: 11317592850; 11317516079; 11317584651; 552015610 (one guide), 11317592877 (second guide)
- 1x Sprocket Gear (19T) - Reference: 11317603944
- 2x Variable Valve Timing (VVT) Sprockets - Reference: 11367583818 (one VVT sprocket), 11367583819 (second VVT sprocket)
그림 3.1: 위에view of the REVO Timing Chain Kit components, including chains, guides, tensioner, and VVT gears.
그림 3.2: 클로즈업 view of the timing chain, a critical component for engine synchronization.
그림 3.3: The timing chain tensioner, responsible for maintaining proper chain tension.
그림 3.4: One of the timing chain guides, which directs the chain's path.
그림 3.5: Another timing chain guide, ensuring smooth operation and preventing chain slack.
그림 3.6: The sprocket gear, an essential part of the timing mechanism.
그림 3.7: One of the Variable Valve Timing (VVT) sprockets, crucial for valve timing adjustment.
그림 3.8: The second VVT sprocket, working in conjunction with the first for precise valve control.
4. 설치 가이드
중요한: Installation of a timing chain kit requires specialized knowledge and tools. It is highly recommended that this procedure be performed by a qualified mechanic. Refer to the appropriate shop manual for your specific vehicle model to obtain detailed, step-by-step instructions and torque specifications.
General Installation Steps (Consult a Professional Manual for Details):
- 준비: 엔진이 식었는지 확인하십시오. 배터리를 분리하십시오. 작업 공간 확보를 위해 필요한 경우 엔진 오일과 냉각수를 배출하십시오.
- 입장: Remove all components obstructing access to the timing chain cover (e.g., belts, pulleys, valve cover, oil pan, front engine cover).
- Timing Alignment: Before removing old components, carefully align the engine to Top Dead Center (TDC) for cylinder 1. Mark all timing components (camshafts, crankshaft) relative to the engine block to ensure correct reassembly.
- 구성 요소 제거: Remove the old timing chain, guides, tensioner, and sprockets. Inspect surrounding components for wear or damage.
- 새 구성 요소 설치: Install the new REVO timing chain, guides, tensioner, and VVT sprockets. Ensure all components are correctly seated and aligned with the timing marks established in step 3.
- 텐셔너 설치: Install the new timing chain tensioner. Follow the manufacturer's specific instructions for tensioner activation and setting.
- 확인: Manually rotate the crankshaft several times (e.g., two full rotations) and re-check all timing marks to confirm correct alignment.
- 재조립: Reinstall the timing chain cover, valve cover, oil pan, and all other removed components. Replace gaskets and seals as required.
- 체액 보충: 엔진 오일과 냉각수를 적정 수준까지 보충하십시오.
- 초기 시작: Start the engine and check for any unusual noises or warning lights. Allow the engine to reach operating temperature.
- VANOS Adaptation: As noted by experienced users, performing a VANOS adaptation after installation is crucial to avoid error codes and ensure optimal engine performance. This typically requires a diagnostic tool.
Installation Support Videos:
동영상 4.1 : 일반 오버view of a timing chain kit installation for BMW N20/N26 engines. This video provides a visual reference for the components and process.
동영상 4.2 : Demonstration on how to use a timing tool for BMW N20 N26 engines. This is essential for accurate camshaft and crankshaft alignment during installation.
동영상 4.3 : 위에view of an oil pump timing chain kit with camshaft gear for BMW 2.0L engines. Provides additional context for related timing components.
동영상 4.4 : A general video showcasing a timing chain kit, highlighting its components and function within an engine.
5. 설치 후 고려 사항
After successful installation of the timing chain kit, it is important to monitor engine performance and address any potential issues promptly.
- 엔진 소음: Listen for any unusual noises, especially from the timing chain area. A properly installed timing chain should operate quietly.
- 경고등: Ensure no engine warning lights (e.g., Check Engine Light) illuminate after initial start-up and driving.
- 성능: The engine should run smoothly with no noticeable loss of power or erratic idling.
- 진단 스캔: A professional diagnostic scan can confirm proper VANOS operation and absence of timing-related fault codes.
6. 유지관리
While timing chains are designed for long service life, regular engine maintenance contributes to their longevity and overall engine health.
- 오일 교환: Adhere to the manufacturer's recommended oil change intervals and use the specified engine oil type. Clean engine oil is vital for the hydraulic tensioner and VVT system operation.
- 오일 레벨: Regularly check and maintain the correct engine oil level. Low oil levels can affect hydraulic tensioner performance.
- 소음을 들어보세요: Pay attention to any new rattling or ticking noises from the engine, especially during cold starts, as these can indicate timing chain wear or tensioner issues.
- 전문 검사: Consider periodic professional inspections of the timing system, especially on high-mileage vehicles, to detect early signs of wear.
7. 문제 해결
If you experience issues after installing the timing chain kit, consider the following common problems and potential solutions. Always consult a qualified mechanic for diagnosis and repair.
일반적인 문제:
- Rattling Noise from Engine:
- 가능한 원인: Incorrectly installed timing chain tensioner, faulty tensioner, worn chain guides, or incorrect chain tension.
- 행동: Immediately cease engine operation to prevent further damage. Have a qualified mechanic inspect the timing chain system, focusing on tensioner function and chain tension.
- Check Engine Light (CEL) with Timing-Related Codes:
- 가능한 원인: Incorrect timing alignment, VVT sprocket malfunction, or issues with VANOS adaptation.
- 행동: Use a diagnostic scanner to retrieve fault codes. Perform a VANOS adaptation procedure if not already done. If codes persist, professional diagnosis of timing components and VVT system is required.
- Rough Idling or Reduced Performance:
- 가능한 원인: Incorrect timing, VVT system issues, or other engine-related problems.
- 행동: Verify timing alignment. Check for proper VVT operation. A comprehensive engine diagnostic by a professional is recommended.
8. 보증 및 지원
REVO products are manufactured using qualified technology and are designed for perfect fitment. All products can be returned or exchanged within 60 days unconditionally. For any questions or support, please contact REVO customer service. We aim to respond within 24 working hours.
연락처 정보: Please refer to your purchase documentation or the REVO web현재 고객 서비스 연락처 정보를 확인할 수 있는 사이트입니다.
