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Aluminum head bolt threads pulling out on Polaris engines is a fairly common problem. Installing a solid bushing-type steel insert is the best fix. Avoiding the expense of some of the larger kits designed for automotive applications is a smart way to save money and still get a quality repair. The larger Time-Sert kits, for example, are designed for doing repairs when the threads start down several inches. With threads flush or near the surface, a much less expensive kit made by Time-Sert can be …

Modern car engines are made with a combination of materials, including aluminum and plastic, for various reasons, primarily related to performance, efficiency, and weight reduction. Here are some of the key reasons for using these materials: Aluminum: Lightweight: Aluminum is much lighter than iron, which was commonly used in older engines, although there are some cast iron blocks around still. One example being some Chevy LS engines. Lighter engines improve fuel efficiency and reduce the over …

WiseAutoTools.com © Summary: Aluminum thread repair problems addressed, see our video on the Volvo drain plug thread repair issue. If dealing with a stripped aluminum oil pan on your Volvo and the drain plug will no longer tighten up, you’ve come to the right place. Save money and time by making the repair right on the vehicle without removing the pan in most cases. All that’s needed is a little room to work directly in front of the oil drain hole. The M18x1.5 Volvo aluminum oil pan thre …

DennisB WiseAutoTools.com © Summary: Part of our ongoing effort to help make spark plug threads great again. Seriously, we specialize in thread repairs and this is a brief article on do's and don'ts in regard to spark plug thread repair. Spark plug threads in an engine can deteriorate when they’re loose due to vibration, resulting in a sparkplug blowout. Aluminum threads in the cylinder head can also be damaged if cross threaded or “seize” due to dislike metals. Ford 2V engines typical …