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Mazda B2500 Serpentine/Drive Belt Replacement at your home or office.

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Serpentine/Drive Belt Replacement Service

How much does a Serpentine/Drive Belt Replacement cost?

On average, the cost for a Mazda B2500 Serpentine/Drive Belt Replacement is $192 with $52 for parts and $140 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2001 Mazda B2500L4-2.5LService typeSerpentine/Drive Belt ReplacementEstimate$259.74Shop/Dealer Price$289.53 - $370.78
1998 Mazda B2500L4-2.5LService typeSerpentine/Drive Belt ReplacementEstimate$250.73Shop/Dealer Price$278.75 - $358.68
2000 Mazda B2500L4-2.5LService typeSerpentine/Drive Belt ReplacementEstimate$250.73Shop/Dealer Price$278.77 - $358.72
1999 Mazda B2500L4-2.5LService typeSerpentine/Drive Belt ReplacementEstimate$250.73Shop/Dealer Price$278.77 - $358.72
Show example Mazda B2500 Serpentine/Drive Belt Replacement prices

What is a serpentine belt and how does it work?

A serpentine belt is a relatively long, flat, multi-ribbed belt that is driven by the engine’s crankshaft pulley. The belt drives many, and often all, of the engine accessories such as the alternator, air conditioning compressor, power steering pump, water pump, and air pump. The serpentine belt is tensioned by a hydraulic or spring-loaded automatic tensioner. Some older cars use a serpentine belt to drive most accessories but will also have a shorter v-style belt to drive, for example, the power steering pump.

Belts

When to consider replacing the serpentine belt:

  • Regularly scheduled maintenance. Typically, belt manufacturers recommend belt replacement at 90,000 miles. However, the belt must be inspected for wear or damage at regular intervals prior to this high mileage.
  • Squealing noise, belt slippage, visible belt damage. Should the belt fail or wear out prematurely, you may hear noise or you may see visible signs of deterioration such as missing chunks of rubber, excessive cracking, or a shredded appearance on the edge of the belt.
  • Battery Light. A loose belt, perhaps caused by a defective tensioner, may not drive the alternator at adequate speed and thus the battery may discharge, causing the warning light to illuminate.
  • Engine overheating. Often, the serpentine belt drives the water pump. In those applications, if the belt breaks the engine will overheat in seconds to minutes. If the belt is inadequately tensioned, you may notice higher-than-normal engine operating temperature.

How do mechanics replace the serpentine belt?

  • Prior to removing the belt, the mechanic must run the engine to determine if the idler pulley and the belt tensioner are noise-free. Those rotating components have grease filled bearings and are subject to wear. In addition, the mechanic will ensure that all pulleys and accessories are turning in the same plane. These steps help make sure your new belt will operate trouble-free for its full-service life.
  • The belt’s routing path through the various components is noted. The belt tensioner is released, usually with a wrench or lever, to release the tension from the belt. With the tension off, the belt slides off the pulleys.
  • All rotating components — that is the alternator, air conditioner compressor, etc. — are checked for smooth operation and no noise.
  • If everything checks out, the new belt is slipped over all of the pulleys while holding the tensioner away from the belt. Once the belt is centered on all pulleys, the tensioner is released and the installation is complete. The engine is run to ensure normal operation.

Is it safe to drive with a serpentine belt problem?

No. Should the belt have visible damage, you risk unexpected and sudden breakage that could potentially leave you stranded. Serpentine belt problems that result in the alternator not charging may cause the battery to discharge, which will result in loss of electrical power to the vehicle. Additionally, if a deteriorated belt breaks and that belt drives the water pump, the engine will overheat in a matter of seconds.

When replacing the serpentine belt keep in mind:

  • On many cars, the expected service life of a serpentine belt is around 90,000 miles. Should the belt fail well prior to that, a very careful inspection should be performed to check for out-of-alignment pulleys, a possibly out-of-position crankshaft harmonic balancer on which the drive pulley is mounted, binding pulleys, or a defective belt tensioner.
  • Attention should always be given to serpentine belt routing, since proper routing is critical to proper belt tension, and function of the driven components.
  • Sometimes it is difficult to distinguish serpentine belt related noise from other engine noises. In these cases, a mechanic will determine the origin of the noise by momentarily running the engine without the serpentine belt attached.

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services done by our mechanics
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Real customer reviews from Mazda owners like you.

Excellent Rating

(21)
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William

20 years of experience
54 reviews
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William
20 years of experience
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by Alan
Mazda B2500 L4-2.5L - Timing Belt - Chandler, Arizona
William did a great job he replaced the timing belt on my truck and and did it in the time he said that it would take he also adjusted my quote as that there were some things that did not have to be done. very please with the work he performed and the price. I will call on William again as I have some other things that I need to have done on my truck.

Carlo

15 years of experience
80 reviews
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Carlo
15 years of experience
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by Jim
Mazda B2500 L4-2.5L - Oil Change - Austin, Texas

Theodore

17 years of experience
1794 reviews
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Theodore
17 years of experience
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by Shanna
Mazda B2500 L4-2.5L - Smoke from engine or exhaust - Woodinville, Washington
I learned so much about my truck. I just wish I had contacted Your Mechanic years ago. Thank your Theodore.

GARRETT

18 years of experience
29 reviews
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GARRETT
18 years of experience
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by MICHAEL
Mazda B2500 L4-2.5L - Power steering fluid is leaking - Sun City, California
wasted not time,got into inspection about problem showed prices

Excellent Rating

(21)
Rating Summary
20
1
0
0
0
20
1
0
0
0
Number of Mazda B2500 services completed
231+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mazda MECHANICS
1100+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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