I assume you are referring to the serpentine belt, also known as the drive belt or accessory belt, in a vehicle’s engine.
The serpentine belt is a long, continuous belt that drives various engine accessories and components, such as the alternator, power steering pump, air conditioning compressor, water pump, and sometimes the radiator fan. It is responsible for transferring power from the engine’s crankshaft pulley to these accessories, allowing them to operate effectively.
Here are some key points about the serpentine belt:
- Material: Serpentine belts are typically made of durable materials like rubber reinforced with fibers or cords, often incorporating materials like Kevlar for added strength and longevity.
- Tensioner Pulley: A serpentine belt system usually includes a tensioner pulley. This pulley is designed to keep the belt properly tensioned, ensuring optimal performance and preventing slippage.
- Routing: The serpentine belt follows a specific routing path dictated by the manufacturer. It wraps around various pulleys on each accessory and the crankshaft pulley in a serpentine pattern, hence the name “serpentine belt.”
- Maintenance and Replacement: Serpentine belts are subject to wear and tear over time due to constant use and exposure to heat and contaminants. Regular inspection is necessary to check for signs of cracking, fraying, or excessive wear. If any of these issues are present, it’s crucial to replace the belt promptly to avoid unexpected belt failure and subsequent loss of accessory operation.
- Belt Tension: Proper belt tension is essential for optimal performance. The tensioner pulley automatically maintains the correct tension in most modern vehicles. However, some older vehicles may require manual adjustment of the tension using a separate component called a belt tensioner.
The serpentine belt plays a vital role in the operation of various engine accessories, ensuring their proper functionality. Regular inspection and timely replacement are essential for optimal performance and reliability of the vehicle’s accessory systems.
It’s important to consult the vehicle’s owner’s manual or follow the manufacturer’s recommendations regarding serpentine belt maintenance and replacement intervals. Additionally, if you notice any signs of belt damage or irregularities, it is advisable to have a qualified mechanic inspect and replace the belt as needed.
Toyota–丰田 车型 排量 发动机（底盘号） 皮带型号 年款 RAV4 2.4L 2AZ-FE 7PK1935 AZ 7PK1935 09款→13款 6PK1230 16款→ 威驰 1.0L 1SZ-FE 4PK1770 99款→01款 1.3L 2SZ-FE 6PK1755 06款→07款 2NZ-FE 4PK1210 08款→ 1.3L/1.5L 5A-FE/8A-FE 4PK830 03款→06款 3PK620 03款→06款 117MY21 03款→06款 5PK960 03款→06款 1.5L 1ZR-FE 6PK1230 08款→ 3SZ-FE 6PK1755 07款 AR 4PK820 03款→08款 6PK1150 13款→18款 逸致 1.6L 1ZR-FE 6PK1230 1.8L 3ZR-FE 6PK1245 老款佳美 2.0L 5S-FE 3PK750 163S8M27 5PK1110 2.2L 3S-FE 3PK760 163S8M27 5PK1100 2.4L 2AZ-FE 7PK1930 老款佳美VCV10 3.0L 3VZ 4PK805 191S8M32 6PK1050 花冠 1.8L 1ZZ-FE 6PK1880 04款→07款 雅力士 1.3L 2NZ-FE 4PK1210 09款→ 1.5L 3SZ 3PK850 01款→06款 4PK1180 01款→06款 1.6L 1ZR-FE 6PK1230 09款→ 皇冠 2.5L 5GR-FE 7PK1550 05款→ 3.0L 3GR-FE 7PK1550 05款→ 4.3L 3UZ-FE 211S8M34 6PK2125 皇冠JZS133 2JZ 143MY25 6PK1940 皇冠JZS155 1JZ 137XY25 6PK1930 考斯特 14B RECMF1440 04款 RECMF1515 04款 3RZ-FE 5PK890 15B RECMF6505 RECMF1455 3RZ-FE 4PK1100 5PK980 考斯特4.2D 7PK1350 考斯特TRB53 3.5L 2TR-FE 5PK990 7PK1870 考斯特老款 14B RECMF1440 98款 RECMF1480 98款 沙漠王子HZB50 1HZ RECMF1545 车型 排量 发动机（底盘号） 皮带型号 年款 沙漠王子HZB50 1HZ 94MR25 RECMF1395 新雅力士 1.6L 6PK1150 14款→ 新凯美瑞 2.0L AZ 7PK1960 11款→14款 2.5L AR 6PK1255 11款→14款 大霸王ACR30 2AZ-FE 7PK1920 大霸王ACR50 2AZ-FE 7PK1905 大霸王TCR10 4PK720 6PK820 特锐 1.3L 3PK640 4PK1645 普瑞维拉 2.4L 2AZ-FE 7PK1905 3.5L 2GR-FE 7PK1550 普拉多 2.7L 2TR-FE 7PK2280 雷凌 1.8L 6PK1220 14款→ 埃尔杰 2.4L 2AR-FE 6PK1250 2GR-FE 7PK1550 霸道2700 2.7L 2TR-FE 7PK2280 霸道4000 GRJ120 1GR-FE 7PK2120 霸道4000 GRJ150 1GR-FE 7PK2150 09款→ 霸道4500 FZJ80 RECMF6350 RECMF1445 霸道RZJ120 2.7L 3RZ-FE 4PK940 4PK1110 5PK865 霸道RZJ95 2.7L 3RZ-FE 4PK910 4PK1110 5PK865 杰路驰 2.5L 2AR-FE 6PK1250 兰德酷路泽 4.6L 1UR 8PK2410 兰德酷路泽 GRJ200 4.0L 1GR-FE 7PK2120 凯美瑞 2.0L 1AZ-FE 7PK1935 05款→11款 7PK1960 12款→ AR 6PK1255 15款→ 2.4L 2AZ-FE 7PK1935 05款→11款 7PK1960 12款→ 凯美瑞*骏瑞 2.5L 5AR-FE 6PK1260 12款→ 卡罗拉 1.6L 1ZR-FE 6PK1230 06款→ 6PK1220 08款→ 1.8L 2ZR-FE 6PK1240 09款→ 6PK1220 14款→19款 汉兰达 2.0T AR 6PK1670 15款→ 2.7L 1AR-FE 6PK1248 09款→ 3.5L 2GR-FE 7PK1550 09款→ 红杉 5.7L 3UR-FE 8PK2410 经典凯美瑞 2.0L/2.4L AZ 7PK1935 05款→15款 锐志 2.5L 5GR-FE 7PK1550 05款→ 陆地巡洋舰3400 5VZ-FE 4PK870 4PK1070 191XY36 4PK1050
Lexus–雷克萨斯 车型 排量 发动机（底盘号） 适用位置 皮带型号 年款 4700 1UZFE 正时 211S8M34 电机/助力/空调 6PK2200 电机/助力/空调 6PK2240 ES240 2GR-FE 电机/助力/空调 7PK2090 10款→ ES300 MCV10 1MZ 助力 4PK880 正时 211XY32 风扇/空调 6PK1035 ES350 3.5L 2GR-FE 电机/助力/空调 7PK2090 10款→ GSV40 2GR-FE 电机/助力/空调 7PK2090 06款→09款 GX450 3.5L 2GR-FE 电机/助力/空调 7PK2090 10款→ GX460 4.6L 3URFE 电机/助力/空调 8PK2410 10款→ IS200 1G-FE 空调 4PK900 助力 3PK890 正时 129XY27 风扇 4PK1070 LS400 1UZFU 正时 209S8M34 电机/助力/空调 6PK2245 LS460 4.6L 1UZ 电机/助力/空调 6PK2310 10款→ LX570 3URFE 电机/助力/空调 8PK2410 08款→ RX270 2.7L 1AR-FE 电机/助力/空调 6PK1265 11款→ RX300 3MZ 助力 4PK880 正时 211XY32 风扇 6PK1040 RX350 3.5L 2GR-FE 电机/助力/空调 7PK2070 11款→