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CENTRAL LOCATION
5302 E Speedway Blvd Tucson, AZ 85712

520-325-5500

EAST LOCATION
8455 E Broadway Blvd Tucson, AZ 85710

520-298-1103

NORTHWEST LOCATION
4443 W Ina Rd, Suite 141 Tucson, AZ 85741

520-744-0655
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  • Mon 8:00AM - 5:00PM
  • Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
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  • Fri 8:00AM - 5:00PM
  • Sat 8:00AM - 12:00PM
  • Sun Closed

520-325-5500 | 5302 E Speedway Blvd

AUTONET TV

AUTONET TV, Tucson, AZ

Serpentine Belt Service at AASTRO Transmission & Auto Repair in Tucson

Posted December 1, 2019 7:10 AM

If you've ever heard a squealing sound under your vehicle hood, chances are it was your serpentine belt. More importantly, the belt powers the alternator. The alternator creates electricity that's used by your vehicle's electrical systems and also charges the battery. Without the alternator, the battery will go dead after a short distance.

The serpentine belt may also run the pumps for both the power steering (some are electric) and power brakes (some use vacuum boost).

And, on most vehicles, the serpentine belt powers the water pump. The water pump circulates coolant through the engine to keep it within optimal operating temperatures. On some Tucson vehicles, the water pump is powered by the timing belt instead of the serpentine belt.

When they understand what it does, Tucson drivers realize that if it breaks, it affects a lot of systems. That's why vehicle manufacturers outline recommended replacement guidelines in the owner’s manuals. If this important maintenance component is not included in your owner’s manual, come see us at AASTRO Transmission & Auto Repair.

At AASTRO Transmission & Auto Repair in Tucson, your professional technician can perform a visual inspection of the belt to see if it has any cracks that signal the belt could fail soon. If the belt has more than three or four cracks every inch or couple of centimeters, has deep cracks that penetrate half the depth of the belt, is frayed, is missing pieces or has a shiny, glazed look, it needs to be replaced regardless of age or mileage.

If it has lost a significant amount of thickness, it also needs to be replaced. Talk to your service advisor at AASTRO Transmission & Auto Repair. There's a special spring-loaded pulley attached to the engine called the tensioner pulley. Its job is to make sure there's a constant tension on the serpentine belt so that it doesn't slip. The spring can become worn and no longer provide the necessary pressure to keep the belt tight. At AASTRO Transmission & Auto Repair, we recommend that the tensioner be replaced at the same time as the serpentine belt.

As mentioned, a squealing sound could alert you that the serpentine belt needs to be replaced. It may be loose if you hear a slow, slapping sound when idling your vehicle.

All in all, the serpentine belt is very important to the operation of your vehicle. And it's not that expensive to replace at AASTRO Transmission & Auto Repair – so it's good to do so before it fails.

AASTRO Transmission & Auto Repair
5302 East Speedway
Tucson, AZ 85712
(520) 325-5500
https://www.aastrotransmission.net



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Testimonials

, 12/02/2019
They seem to be nice people and fair on their pricing. I appreciate their nice attitudes. The manager Jeremy has a very pleasant manner which I appreciate dealing with.
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