How to Change Spark Plugs in a 2019 Toyota Highlander - D4S V-6 Engine

This guide details the process of changing spark plugs and ignition coils on 2003-2008 Toyota Corolla and Matrix models. It emphasizes careful handling of spark plugs to prevent damage and provides torque specifications for proper installation. The procedure is presented as a straightforward DIY task suitable for beginners.

This video provides a detailed guide on replacing the valve cover gaskets and spark plug tubes on a 2015-2021 Subaru WRX with the FA20 engine. It offers links to essential parts, including MAHLE gasket kits, NGK spark plugs, and ignition coils, as well as recommended tools like jack stands, a jack, a tire iron, and an impact gun. The description also notes affiliate links for qualifying purchases.

This guide, drawing on decades of experience, details how to achieve rifle accuracy. It covers defining accuracy standards, understanding MOA, troubleshooting mechanical issues like loose sights and barrel contact, and optimizing bedding and muzzle conditions. The instruction emphasizes practical application for hunters and marksmen, highlighting that modern accuracy benchmarks have evolved significantly.

This guide provides expert-level instructions for disassembling, cleaning, and maintaining the Ruger 10-22 Walnut Sporter, drawing on detailed insights from GunBlue490. It emphasizes critical steps like safely removing the action from the stock to protect the walnut finish and proper cleaning techniques to ensure long-term reliability. The instruction highlights the importance of using appropriate tools and avoiding common mistakes like over-oiling the wood stock.

This video provides a detailed guide on disassembling and cleaning a Smith & Wesson Model 25 revolver, presented by a factory-trained armorer. It emphasizes proper nomenclature, tool usage, and careful handling of internal parts to avoid damage. The guide covers removing stocks, yoke, side plate, hammer, rebound slide, and trigger, with specific instructions on reassembly and common pitfalls to avoid, such as altering trigger pull components or damaging delicate parts.

This guide, presented by an expert with over 30 years of experience and U.S. Army background, details proper firearm lubrication. It emphasizes using synthetic/CLP oils sparingly, applying only a microscopic film to prevent attracting debris. The expert recommends a silicone-treated rag for regular wipe-downs and advises against over-oiling, especially in extreme environmental conditions.