2/17/2024 0 Comments Auto zone parts conectors![]() A loose terminal or damaged pigtail connector can cause electrical and charging problems. A worn belt pulley (idler) or belt tensioner will cause belt slippage, squalling sounds, uneven belt wear and poor performance of the alternator and the other drive belt accessories such as the power steering pump.Įlectrical Plug Pigtail Connector: Ensure the alternator pigtail and harness are clean and intact. Also check the alignment of the drive belt and pulley(s). The belt tensioner must not be extremely tight or loose. It should feel ‘smooth’ without ‘sticking’ or ‘binding’ as it swings back-&-forth with the belt tensioner tool. Inspect and replace any additional belts as needed.ĭrive Belt Tensioner: If so equipped, the belt tensioner can be inspected while removing the drive belt. A worn drive belt will produce noise and reduce the performance of the alternator. Look out for cracks, frays, and overall wear and tear. While you’re looking at the alternator, inspect the following related parts of the starting and charging system:ĭrive Belt: This should be changed every 90,000 miles, and while your replacing your alternator is a perfect time to replace this belt if its time is soon to pass. Sluggish Accessories: Another possible sign is if electrical accessories or features like power windows move more slowly than they typically do. ![]() What it actually means is that the alternator is not properly charging the battery. This light often has a misconception that it means the battery is bad.
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