Auto Lab Livonia Automotive Tips: Alternator
March 2, 2017
Your alternator makes electricity to start and run your engine and all of the vital electrical systems in your vehicle. That’s everything from the on-board computers to the turn signals. And of course there is the entertainment system, seat heaters, power windows and everything you plug into the power outlets. After your alternator makes enough electricity to do all that, it recharges your battery with what’s left over.
When Livonia drivers constantly have a low or dead battery, the alternator is usually a prime suspect. However, the alternator is just one vital component of the starting/charging system, and a problem with any of the other components could be the actual cause.
In addition to the alternator, the charging/starting system includes the battery, starter, serpentine belt system and all of the electrical cables that connect them. Your Auto Lab Livonia service advisor has a systematic process of testing components and connections to get to the source of your trouble. The initial symptoms determine where to begin the diagnostic process, and he follows the procedure until he tracks down the culprit.
For example, diagnostic tests at Auto Lab Livonia could reveal that the alternator is not generating enough electricity to keep the battery charged. Is the alternator bad? Not necessarily. A worn serpentine belt tensioner could be allowing the belt that spins the alternator to slip. So the perfectly good alternator is not spinning at the proper speed. The solution for Livonia drivers is to replace the serpentine belt system – not the alternator.
The good news for Livonia drivers is that our highly-trained technicians at Auto Lab Livonia can properly diagnose all your vehicle troubles and make the necessary repairs to get you back on the road in Livonia.
Give us a call.
Auto Lab Livonia
36251 Five Miles Rd
Livonia, MI 48154
734-432-6000
http://www.autolablivonia.com
Need Service?
More articles from Auto Lab Livonia
Introduction to Diesels for Livonia, MI
April 26, 2026
Something you're going to be hearing a lot about around Livonia, MI, is diesel engines. We're not talking about semi-trucks and buses; we're talking about diesel engine cars, pick-ups and SUVs.Most people in MI are surprised to learn that around half the cars on the road in Europe have diesel eng... More
It's (Not) Complicated (Engine Air Filter)
April 19, 2026
While many components of your vehicle are complex and composed of lots of mechanical and electrical parts, there's one that isn't complicated but still important. It's your engine air filter. (And, we should point out, the engine air filter isn't to be confused with the cabin air filter. The ca... More
Prepare Your Windshield for Winter (Wiper Blades and Fluid for Freezing Temperatures)
April 15, 2026
Winter and freezing temperatures present challenges for different parts of your vehicles. For example, winter tires give you better traction on snow. But some parts of your vehicle that may need special attention for winter are your windshield wipers. You may have found yourself in the middle o... More