How do you change a tensioner on an Audi a4?
Put it right on to that big tab. Right there well on tensioner flip the belt off and release the tension air slowly. The tensioner is held in by three 13 millimeter bolts you can remove the engine.
How much does it cost to replace tensioner belt?
Between $235 and $267
The Average Cost to Replace your Car’s Drive Belt Tensioner is Between $235 and $267, Depending on Whether You Go to the Mechanic or DIY.
How do you know if your belt tensioner needs to be replaced?
Appearance: Cycle the tensioner (mounted on the engine) through the entire range of motion (from stop to stop) by applying torque to the arm with a wrench. The tensioner arm should move smoothly and freely. Solution: If you notice a binding, sticking or grinding tensioner arm, the tensioner should be replaced.
How long does it take to replace a belt tensioner?
Introduction. Automatic belt tensioners, standard in most cars now, make changing a serpentine belt a simple DIY repair. Follow the clear photos and step-by-step instructions and you’ll be done in 15 minutes.
What can I use instead of a belt tensioner tool?
One then simply needs a long enough open end wrench (or spanner, if you prefer) and a jack. Simply jack the tensioner up until you can remove the belt.
What happens if you dont replace drive belt and tensioner?
This means your vehicle’s air conditioning, alternator, smog equipment, water pump, and power steering will be lost if the belt dislodges. The loss of power steering is likely to cause an accident as you will no longer be able to easily control your vehicle.
How long does it take to replace a tensioner pulley?
If you are doing the job at home, give yourself about four hours to change all the parts. You will need the following tools and parts: Replacement idler pulley. Tensioner pulley.
How many miles do belt tensioners last?
40,000-70,000 mile
You should expect to replace your belt tensioner in the 40,000-70,000 mile range. It is also customary to swap more than one part simultaneously, usually a worn-out pulley from other systems and even the serpentine belt itself.
What happens when a belt tensioner goes bad?
A seized or loose drive belt tensioner can cause the belt to snap, which will disables those accessories and can cause problems such as overheating, a dead electrical system and battery, or a disabled AC system.
Why do belt tensioners fail?
The most common causes of timing belt tensioner failure include: Wear and tear: On a new mechanical timing belt tensioner system, the timing belt tensioner spring is wound tightly by two tension rods. Over time, the spring stretches out and loses its tension. As a result, the entire tensioner becomes too weak.
How do you tighten a belt tensioner?
How To Check & Adjust Serpentine Drive Belt Tension On Your Car
How do you test a belt tensioner?
How to Diagnose a Loose or Stuck Belt Tensioner on Your Car or Truck
Can I drive with a noisy tensioner?
Driving with a bad belt tensioner is unsafe since the tensioner is meant to guarantee ample tension that powers accessories. Wear on the belt tensioner will eventually cause the belt to slip, generate loud noise, and also create an unsafe level of heat along the accessory pulleys.
How do I know if my tensioner is bad?
Grinding or squeaking noise from the belts or tensioner
The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started.
What happens if a belt tensioner breaks?
If the tensioner’s wear leads to the belt fully dislodging, likely through seizing, each of the components that rely on the belt for power will be lost. This means your vehicle’s air conditioning, alternator, smog equipment, water pump, and power steering will be lost if the belt dislodges.
Can I drive with a bad belt tensioner?
What does a faulty tensioner sound like?
Symptom 1: Squealing, rattling, or chirping.
When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise.
Can you drive with a loose belt?
A loose drive belt can compromise your vehicle’s ability to power accessories like power steering, air conditioning or your alternator, or could possibly even cause internal damage to the motor.
What does a loose belt sound like?
A loose drive belt will often be noisy, squeaking a bit, or emitting a high-pitched squeal. The most obvious sign of a loose drive belt, though, is in its appearance and tension. A loose belt, simply stated, looks and feels loose.
What does a broken belt tensioner sound like?
When a timing belt tensioner fails, it can result in a number of different symptoms. Symptom 1: Squealing, rattling, or chirping. When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises.
What causes a belt tensioner to go bad?
What does it sound like when a belt tensioner is bad?
How do you diagnose a bad tensioner?
What causes tensioner to fail?