Product Description

Many car owners may encounter abnormal buzzing or squeaking noises from their cars. Some may mistakenly think that there is an engine problem, but it is actually caused by the belt tensioner. Since there are bearings in the belt tensioner, when you hear abnormal noises from the car, it means that the bearing of the belt tensioner is damaged, and at this time, the car's engine will have timing jumps, ignition and valve timing disorders, which Seriously affect the normal use of the car.
When the belt tensioner is broken, what should you do? HangZhou Donna recommends the following 3 methods to help you solve it easily:
1. The abnormal noise emitted by the tensioner pulley is usually a continuous rustling sound. At this time, the bearing of the belt tensioner pulley has to bear relatively large lateral pressure. Therefore, when the car owner chooses to rotate the bearing of the tensioner pulley by hand, If you hear a slight abnormal sound or jamming in the bearing of the tensioner, it means that the bearing of the belt tensioner has been damaged. Therefore, when the car owner hears abnormal noises when driving the car, the belt tensioner should be replaced immediately.
2. Since the belt tensioner is a belt-driven tensioning device, when the center distance of the belt cannot be adjusted, the belt can be tightened by the belt tensioner. Therefore, the belt tensioner can change the wrap angle of the tensioner pulley and control the tension force, so that it can press on the follower pulley.
3. Pay attention to 2 aspects when using the belt tensioner: on the 1 hand, the tension of the belt tensioner cannot be too small. If it is too small, it will not only cause the belt to slip, but also reduce the friction between the belt and the working pulley; On the 1 hand, the tension of the belt tensioner should not be too large. Excessive tension will not only cause damage to the belt, but also increase the load on the belt.

Why choose our brand CHINAMFG timing belt tensioner and pulley, because of our technical standard:
1 The runout of the out shape rear rod machining and the positioning diameter is ≤0.15mm
2 The appearance no allowed obvious bumps or scratches
3The product is not allowed to rust
4 threads to ensure that the go-gauge go-no-stop
5. Internal and external spline span, major diameter and minor diameter meet the requirements of technical drawings
6 Internal and external splines need to be used, and the spline ring plug gauge passes smoothly
7 The static torsional strength of the rod is ≥28 21126-6 211261

Car Model For lada kamaz megapower Gaz Niva CHINAMFG UAZ VAZ  MOQ 50PCS/100PCS depend on car models and production details Quality/Product parameters OEM standard or Design as sample or drawing Payment Terms T/T, L/C, Credit card, Cash Product Guarantee 1 Year or 50,000kms Delivery Time 1. Sample: within 7 days if with stock roughcast                                                                    2. Batch : 30-45 days since receive deposit Package 1.Neutral bag+inner box+master carton                     
2.Customize brand bag and box design AS REQUIRE+master carton                             
Notes: all master carton with woven bag to avoid broken during transit, offer pallets service if demand
Loading Port HangZhou/ZheJiang /HangZhou/HangZhou or pointed port

Reference our belt tensioner pulley packing way,we have full experience to supply different brands all over the world:

Our HDAG belt tensioner and pulley machining and production workshops:

HDAG belt tensioner pulley pull push force and tensile testing, assemble Testing, full size tolerance testing: 
I. We only do OEM, produce high precisional Auto belt tensioner, belt tensioner pulley, tensioner pulley, timing pulley, idler pulley,  HALF SHAFT, WHEEL HUB BEARING, WHEEL BEARING, different with other factories

II.Quality guarantee: We promise to all of our old and new customers: ONE year guarantee or 50,000kms since B/L date, If we ship u wrong products or any quality problem, we will full compensation with free.

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If you need high quality Auto belt tensioner, tensioner pulley, idler pulley, timing pulley, Wheel Bearing Hub bearing for passenger cars, or to be HDAG distributor or agent, please don't hesitate to contact us.

Welcome contact us for sending interesting list by mail or Office ONE THREE NINE FIVE SEVEN SIX SIX SEVEN FIVE NINE SIX, THANKS   /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Three Years
Warranty: One Year
Type: OEM Standard
Material: St12 45# 40cr ADC12 Bearing Steel etc
Tolerance: OEM Standard
Certification: ISO/Ts16949


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What are the applications of pulleys in the automotive industry?

Pulleys have various applications in the automotive industry, contributing to the operation of different systems within vehicles. Here are some common applications of pulleys in the automotive industry:

1. Engine Systems: Pulleys are extensively used in the engine systems of vehicles. The crankshaft pulley, also known as the harmonic balancer, is connected to the engine crankshaft and drives various engine accessories through the use of belts. These accessories may include the alternator, power steering pump, water pump, air conditioning compressor, and more. The rotation of the crankshaft pulley powers these accessories, allowing them to perform their respective functions.

2. Serpentine Belt Systems: Modern vehicles often use a serpentine belt system, which is a single, long belt that drives multiple engine accessories simultaneously. The serpentine belt travels around various pulleys, including the crankshaft pulley, tensioner pulley, idler pulleys, and accessory pulleys. These pulleys guide and maintain the tension of the serpentine belt, ensuring efficient power transfer to the engine accessories.

3. Timing Belt/Chain Systems: Timing belts or chains are used in internal combustion engines to synchronize the opening and closing of engine valves with the movement of the pistons. Pulleys known as timing belt pulleys or timing sprockets are mounted on the camshafts and crankshafts, and they work together with the timing belt or chain to ensure precise valve timing. These pulleys play a crucial role in maintaining engine performance and preventing valve interference.

4. Supercharger/Blower Systems: Pulleys are integral components in supercharger or blower systems used in performance vehicles. These systems compress the incoming air to increase engine power and performance. The pulley on the supercharger or blower is driven by the engine crankshaft pulley through a belt or a drive system. By changing the size of the pulley, the speed and boost level of the supercharger or blower can be adjusted.

5. Tensioners and Idler Pulleys: Tensioners and idler pulleys are crucial in maintaining proper belt tension and alignment in automotive systems. Tensioner pulleys are designed to apply tension to belts, ensuring they remain properly seated on the pulleys throughout their operation. Idler pulleys guide the belt and help maintain its alignment. These pulleys contribute to the smooth and reliable operation of various belt-driven systems, reducing slippage and preventing premature belt wear.

6. Accessories and Auxiliary Systems: Pulleys are also employed in various auxiliary systems and accessories in vehicles. These may include systems such as power windows, windshield wipers, cooling fans, and more. Pulleys in these systems facilitate the transfer of rotational motion from motors to mechanical components, enabling the desired functionality.

Overall, pulleys play significant roles in the automotive industry by driving engine accessories, maintaining belt tension, synchronizing engine timing, enhancing performance, and supporting various auxiliary systems. Their proper functioning is crucial for the reliable and efficient operation of automotive systems and components.


How do pulleys work in garage door openers and winches?

Pulleys play a crucial role in both garage door openers and winches, enabling the smooth and efficient operation of these devices. They provide mechanical advantage, facilitate load lifting and lowering, and contribute to the overall functionality and safety of garage door openers and winches. Here's how pulleys work in each of these applications:

1. Garage Door Openers:

In a typical garage door opener system, pulleys are used in conjunction with a , drive belt or chain, and a set of cables or torsion springs. The pulleys are mounted on the garage door's torsion bar or header, and the cables or springs are connected to the bottom of the door. Here's how the pulleys work in a garage door opener:

– Motor and Drive Mechanism: The motor drives a pulley or sprocket, which is connected to a drive belt or chain. As the motor rotates the pulley, the drive belt or chain moves, transferring rotational motion to another pulley or sprocket mounted on the torsion bar.

– Torsion Bar and Cables: The torsion bar, equipped with a pulley, is located above the garage door. The cables are threaded through the pulleys and attached to the bottom of the door on each side. When the motor rotates the torsion bar pulley, the cables move, causing the garage door to open or close.

– Mechanical Advantage: By using pulleys, the garage door opener system creates a mechanical advantage. The arrangement of the pulleys and cables or springs helps distribute the load, making it easier for the motor to lift the heavy garage door. This mechanical advantage reduces the strain on the motor and ensures smooth and controlled movement of the door.

2. Winches:

Pulleys are also integral components of winches used for lifting and pulling heavy loads. Winches consist of a drum or spool around which a cable or rope is wrapped, and pulleys are used to guide and redirect the cable or rope. Here's how pulleys work in a winch:

– Load Lifting: The cable or rope is wound around the winch drum, and one end is attached to the load to be lifted or pulled. The other end is connected to a fixed point or a secondary pulley system. As the winch drum rotates, the cable or rope is wound or unwound, allowing the load to be lifted or lowered.

– Pulley Systems: Pulleys are used in winches to redirect the cable or rope, providing a mechanical advantage and ensuring smooth movement. Additional pulleys may be employed to create a block and tackle system, further increasing the mechanical advantage and the winch's lifting capacity.

– Control and Safety: Winches often incorporate braking systems and clutches to control the movement and secure the load. Pulleys play a role in these control mechanisms, helping to regulate the winch's speed and provide reliable stopping and holding power.

Overall, pulleys are essential components in garage door openers and winches, enabling the smooth and controlled movement of heavy loads. They provide mechanical advantage, facilitate load lifting and lowering, and contribute to the efficiency and safety of these devices.


How do pulleys contribute to load distribution and lifting?

Pulleys play a crucial role in load distribution and lifting by providing mechanical advantage and distributing the load over multiple segments of rope or belt. Here's how pulleys contribute to load distribution and lifting:

1. Mechanical Advantage: Pulleys provide mechanical advantage, which allows for the multiplication of the force applied to the rope or belt. When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. By distributing the load over multiple pulleys, the force required to lift the load is reduced, making it easier to lift heavier objects.

2. Load Sharing: Pulleys enable load sharing among multiple segments of the rope or belt. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt. Each segment carries a fraction of the load, reducing the strain on each individual segment. Load sharing ensures that the load is evenly distributed, minimizing the risk of overload or failure in any single segment.

3. Directional Change: Pulleys allow for directional change in the force applied to the load. By redirecting the force along a different path, pulleys enable lifting and moving loads in various directions, including vertically, horizontally, or at an angle. This directional change is particularly useful in situations where the force needs to be applied from a different position or angle than the original force application.

4. Balance and Stability: Pulleys contribute to load distribution and lifting by providing balance and stability. The use of multiple pulleys in a system helps to distribute the load evenly, preventing excessive stress on any single point. This balanced distribution of the load enhances stability and reduces the risk of tipping or imbalance during lifting operations.

5. Control and Precision: Pulleys provide control and precision in load distribution and lifting. By adjusting the tension in the rope or belt, operators can achieve precise positioning and movement of the load. This level of control allows for accurate placement of heavy objects and ensures smooth and controlled lifting operations.

6. Increased Lifting Capacity: By leveraging mechanical advantage and load distribution, pulleys increase the lifting capacity. The mechanical advantage gained through the use of pulleys allows for the lifting of heavier loads with less effort. The load is distributed over multiple segments of rope or belt, reducing the force required to lift the load and enabling the lifting of objects that would otherwise be too heavy to lift manually.

Overall, pulleys contribute to load distribution and lifting by providing mechanical advantage, load sharing, directional change, balance and stability, control and precision, and increased lifting capacity. These contributions make pulleys an essential component in various lifting and load handling applications.

China wholesaler OEM Car Parts MP406.1308080-28 740.51-1307220 740.11-1307220 740.11-1307220 Auto Belt Tensioner Pulley Factory for Lada Kamaz Megapower Gaz Niva CZPT Uaz Vaz   pulley puller		China wholesaler OEM Car Parts MP406.1308080-28 740.51-1307220 740.11-1307220 740.11-1307220 Auto Belt Tensioner Pulley Factory for Lada Kamaz Megapower Gaz Niva CZPT Uaz Vaz   pulley puller
editor by CX