How do you use the BMW stretch belt tool?

Where is the serpentine belt diagram?

Some vehicles have the serpentine belt diagram located on a decal somewhere in the engine compartment. But if your car does not have a decal, you can easily look up the diagram in a repair manual or repair database. Another option is to take a photo of the old belt before removal.

How long does it take to replace a serpentine belt on a BMW?

With the right tools in your hand, replacing the belt won’t take you any longer than 30-minutes.

How much does it cost to replace serpentine belt BMW?

Typically, a serpentine belt replacement may cost around $100-$195. This includes both labor charges ($75-$120) and spare parts ($25-$75).

Is a drive belt the same as a serpentine belt?

A serpentine belt is used for most makes and models because it’s known to last longer. And because it’s made of a more flexible material, you can remove it and have it replaced with a brand-new one. A drive belt is comprised of material that’s thicker and tougher than a serpentine belt.

Can I replace serpentine belt myself?

Serpentine belt replacement is easy because today’s automatic drive belt tensioners eliminate the need to loosen bolts or pry components into position for retensioning. Just rotate the tensioner, remove the old belt and install a new one.

What happens if serpentine belt breaks while driving?

This can lead to a sudden lost of power assist for the steering system, leading to the steering wheel all-of-a-sudden becoming very hard to turn. A broken serpentine belt may stop the water pump from circulating coolant through the cooling system, causing the engine can overheat.

What are the symptoms of a bad serpentine belt?

  • Cracking.
  • Abrasions.
  • Rib separation.
  • Uneven wear on ribs or belt.
  • Malformation or melting.

Can you drive with broken serpentine belt?

If you are wondering whether or not you can drive your car without a serpentine belt, the answer is firmly in the negative. Under no circumstances can you drive a vehicle without a serpentine belt because the serpentine belt serves the important function of delivering antifreeze to important parts of the engine.

How long can you drive without a serpentine belt?

It depends on what the belt runs. If it runs the water pump you won’t make it more than a few miles before overheating. If the water pump is still good you should be able to make it about 20 miles on a good battery.

Will a bad serpentine belt cause alternator problems?

A broken belt will prohibit the alternator from doing its job and can be the cause of the lights on the interior of your car becoming dim or flickering. Replacing the belt is essential in restoring the lights back to normal.

What causes serpentine belt squeal?

Top Three Reasons for the Squeal Low belt tension either caused by low installation tension, a stretched belt, extreme belt wear, tension spring degradation or a belt that’s too long. High accessory/idler pulley drag from seized bearings or accessory failure/lock-up.

Is there a way to stretch a serpentine belt?

But stretching the belt with the right tools is often the only way stretch belts can be installed. Stretch belts can take loads off of the main accessory belt drive, allow for better packaging and solve NVH problems that can occur with a longer serpentine belt.

Can you reuse a stretch belt?

Dismounting and reusing stretch belts is not recommended. A new belt should be installed anytime one is removed.

How do you use a stretchy belt tool?

What are the 3 drive belts?

  • Serpentine Belt. A serpentine belt is located under the hood of a car, and it “snakes” its way between various pulleys and accessories.
  • V-Belt. A V-belt runs off a crank and pulley and typically travels between one or two engine accessories.
  • Timing Belt.

What are the 3 belts in a car?

  • Timing Belts. A timing belt, is a notched rubber belt that opens and closes the engine valves in proper timing with the pistons.
  • Serpentine Belts. Your car’s serpentine belt is a long continuous belt that drives all your engine components.
  • V-Belts.

How do I know if my drive belt needs to be replaced?

Visual Signs of Wear In addition to chunks of the belt missing, other signs that it’s time for a replacement include rot or large cracks to the piece. It if looks like the belt is wearing unevenly, you may simply need a re-adjustment.

What tool do I need to change serpentine belt?

  1. ratchet and socket set.
  2. torque wrench.
  3. new replacement belt.
  4. new tensioner.
  5. new pulley.
  6. wrench set.
  7. jack and axle stands or ramps.

How many years should a serpentine belt last?

The serpentine belt “snakes” around several components of the engine, transferring mechanical power to nearly every critical part. Under normal conditions, the belt needs to be replaced every 4 to 6 years.

Should I replace tensioner with serpentine belt?

Chances are, you’ll replace the serpentine belt at least once before you have to replace a tensioner. In most cases, you’ll replace the belt several times before the tensioner. But every time you replace the belt, you should check the tensioner. A bad tensioner could ruin a brand new belt.

Does serpentine belt affect acceleration?

Can A Bad Serpentine Belt Cause Acceleration Problems? Yes, it could. Bad serpentine belts cause loss of power. Especially in situations where slippage occurs and the alternator supplies power to the ECM.

What does a slipping serpentine belt sound like?

It can squeak, squeal, chirp and clunk, imitating a bad engine-driven accessory or engine bearing. These noises can fool even the most experienced mechanic and lead to an expensive misdiagnosis. Squeals and chirps are definitely the two most common serpentine belt noises and usually result from different problems.

How long can you drive with a squeaky serpentine belt?

That’s why it’s recommended that the serpentine belt is replaced early when the squealing symptoms are first noticed. Although it may be safe to drive with the squealing for a few days or weeks, the belt will eventually need to be replaced, and for safety, the earlier it’s repaired, the better.

How do I test my serpentine belt?

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