Belt Tensioner Cummin



MODEL: HITACHI, KOMATSU, SUMITOMO, KOBELCO, VOLVO, DOOSAN, CATERPILLAR, HYUNDAI ISUZU: 4BD1T, 4BG1T, 6BD1T, 6RB1T, 6SD1T, 6BG1T, 6WG1T,6HK1T, 4HK1T, 4JJ1T HINO: H06CT, EP100T, J05E, J08E MITSUBISHI:: 6D22T, 6D31T, 6D15T, 4D31T, 6D14T,6D22T KOMATSU: S6D95, S6D108 CUMMIN: 6BT, 6CT, S6D102, S6D105, S6D107E, S6D114, S6D125 DOOSAN: D1146, D2366, DB58 VOLVO: D8K, D4D, D4E, D12D, D5E, D6E >>Whatsapp us 011-11623216 to confirm the model and size. FREE catalogue on our website:

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If the belt tensioner develops a crack, it can lead to several issues that affect the operation, performance, and safety of the vehicle. Here are some potential problems that can arise from a cracked belt tensioner:

Belt Slippage: One of the most immediate problems associated with a cracked belt tensioner is belt slippage. The belt tensioner is responsible for maintaining the proper tension on the engine's accessory belts, such as the serpentine belt or timing belt. If the tensioner is cracked, it may not be able to apply sufficient tension to the belt, leading to slippage. Belt slippage can cause various issues, including reduced power steering assistance, inadequate charging of the battery, and overheating of the engine.

Accessory Malfunctions: A cracked belt tensioner can lead to malfunctions in the vehicle's accessory systems. The serpentine belt is responsible for driving the alternator, power steering pump, air conditioning compressor, and other accessories. If the belt tensioner fails to maintain proper tension on the belt due to a crack, it can cause these accessories to malfunction or fail, leading to issues such as dimming headlights, loss of power steering assistance, and lack of air conditioning.

Engine Overheating: If the cracked belt tensioner causes the serpentine belt to slip or become misaligned, it can affect the operation of the engine cooling system. The water pump, which is driven by the serpentine belt, plays a crucial role in circulating coolant through the engine to dissipate heat. If the water pump fails to operate properly due to belt slippage caused by a cracked tensioner, it can lead to engine overheating and potential engine damage.

Timing Belt Issues: In vehicles equipped with a timing belt, a cracked tensioner can lead to timing belt issues. The timing belt tensioner maintains the proper tension on the timing belt, which controls the timing of the engine's valves. If the tensioner is cracked and fails to maintain proper tension on the timing belt, it can cause the belt to slip or jump teeth, leading to engine misfires, loss of power, and potential engine damage.

Belt Failure: Ultimately, if the cracked tensioner is not addressed promptly, it can lead to belt failure. A failed serpentine belt or timing belt can cause catastrophic engine damage, such as bent valves, damaged pistons, or seized bearings. This can result in costly repairs and potentially render the vehicle inoperable.

In summary, a cracked belt tensioner can lead to belt slippage, accessory malfunctions, engine overheating, timing belt issues, and belt failure. Prompt detection and repair or replacement of a cracked belt tensioner are essential to ensure the reliable and safe operation of the vehicle. Regular inspection and maintenance of the belt tensioner and accessory belts can help prevent issues and prolong the life of the vehicle's engine and accessory systems. 


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