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How To: Replace a Blower Motor Resistor


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    • By Counterman
      AMSOIL has added a new 0W-40 viscosity to its line of OE 100% synthetic motor oil to better meet the emerging demands of advanced automotive technology.
      The new OE 0W-40 is primarily for newer RAM HD trucks equipped with the 6.4-liter Hemi engine, AMSOIL noted.

      AMSOIL OE 100% synthetic motor oil is specifically designed to deliver maximum wear protection, fuel economy and emissions control for the longer drain intervals recommended by OE manufacturers, according to the company.  
      The motor oil is licensed by the American Petroleum Institute (API) to meet and exceed the requirements commonly found in owner’s manuals. AMSOIL OE 100% synthetic motor oil also is friendly toward modern emissions-control systems to promote proper operation of catalytic converters for optimum service life and low exhaust emissions, according to
      link hidden, please login to view.   Low-speed pre-ignition (LSPI) is a common issue found in today’s advanced engines and is much more destructive than typical pre-ignition. OE 100% synthetic motor oil achieved 100% protection against low-speed pre-ignition (LSPI), based on testing required by the GM dexos 1 Gen 2 specification. 
      The motor oil provides 47% more wear protection than required by the GM dexos 1 Gen 2 specification, based on independent testing cited by AMSOIL.
      “AMSOIL OE 100% synthetic motor oil has a 100% synthetic, pure chemical structure engineered to remove harmful contaminants and provide long-lasting engine protection and performance,” AMSOIL said in a news release. “It features an advanced detergent and dispersant additive package designed to protect against sludge and deposits to deliver maximum engine cleanliness.”
      AMSOIL OE 100% synthetic motor oil is available in the following viscosities: 0W-16, 0W-20, 5W-20, 5W-30, 10W-30 and 0W-40. 
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    • By Counterman
      Eric Johnson, president and managing partner of Arnold Motor Supply/The Merrill Company, is visiting Northwood University this week to meet with students enrolled in automotive aftermarket courses. 
      “Efforts to encourage and educate students are so valuable because not only are we helping individuals, we’re also helping to shape the future of our industry,” Johnson said. “Preparing students with the mindset, skills and knowledge they need to be successful contributes to the overall growth and innovation of the aftermarket.” 
      Johnson, a member of the Aftermarket Auto Parts Alliance board of directors, spoke with students enrolled in aftermarket category management, aftermarket management research and aftermarket manufacturing management, among others.
      “As a University of the Aftermarket graduate and supporter of Northwood University, Eric wanted to invest in the future leaders of the industry by sharing several real-life cases relevant to the aftermarket classes,” said Dr. Thomas Litzinger, executive director of the University of the Aftermarket/Northwood aftermarket industry chair.
      Students enrolled in aftermarket category management are prepared for the role of product manager through inventory-modeling techniques and data analysis. The aftermarket manufacturing management course explores the role manufacturers play in the aftermarket and what business functions they employ.
      Aftermarket management research teaches students research techniques to form a hypothesis and sample the data to reject or not reject the hypothesis.
      “Our students are eager to engage with industry leaders and learn from their expertise,” said James O’Dell, assistant director of aftermarket education. “This real-life industry experience sets Northwood students apart, makes them uniquely qualified and prepares them for success in their career.”
      The global market value of the aftermarket exceeds $400 billion. Northwood’s 
      link hidden, please login to view is the only one of its kind. Students in this program are fueled by their passions for cars, the aftermarket and turning this passion into a career someday.   “The program has nearly a 100% employment rate for all graduates in the program,” Northwood said in a news release. “Part of their success is because Northwood helps them engage in real-world experiences and network with industry leaders like Eric Johnson.”
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    • By Counterman
      Autel recently announced its partnership with data provider MOTOR Information Systems to deliver “an improved experience for users and more streamlined access to OEM repair information using MOTOR’s TruSpeed Repair.”
      MOTOR TruSpeed Repair will be available for integration into Autel’s diagnostics software on all North American Ultra-series tablets, including tools with ADAS capabilities.
      With the accessibility of MOTOR TruSpeed Repair, Autel Ultra-series tablet users can access the most up-to-date automotive service and repair content within days of being published by the OEM, according to Autel.  
      The TruSpeed Repair information integrated into the Autel tablets’ MaxiSYS diagnostic software will include component locations, diagnostic trouble codes, maintenance schedules, repair procedures, specifications, technical service bulletins and wiring diagrams, Autel noted.
      The paid subscription service also will provide OEM position statements and ADAS-related repair details. The software update and integration, expected to be released toward the end of first-quarter 2024, will be available on MaxiSYS Ultra, Ultra EV, Ultra ADAS, MS919, MS909 and MS909EV tablets.
      “As we continue to expand our business and partnerships, it’s important to recognize the significance of our relationships with key customers,” said Jim Stout, MOTOR’s vice president of product management and service delivery. “We are pleased to have Autel as a customer. It is a testament to the strength of our offerings and our commitment to powering the automotive intelligence ecosystem. We look forward to building and strengthening our relationship with Autel.”
      “We constantly strive to improve the efficiency of our tablets and seek to offer our end-user technicians the most value-rich diagnostic product on the market,” said Chloe Hung, Autel CEO.
      “That’s why we are excited to bring MOTOR’s exceptional data and repair information service, MOTOR TruSpeed Repair, to our Ultra series tablet users.” 
      For more information about the integration of MOTOR TruSpeed Repair into Autel tools,
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    • By Counterman
      Valvoline Global announced the global launch of its premium full-synthetic motor oil, Restore & Protect.
      Restore & Protect removes up to 100% of engine-killing deposits with continuous use, restoring engines to run like factory clean while protecting against future damage, according to the company.
      Valvoline calls the latest addition to its portfolio “a paradigm shift in motor-oil performance [that] challenges traditional thinking about the category.”
      “We are thrilled to introduce Valvoline Restore & Protect on a global scale,” said Jamal Muashsher, president and CEO of Valvoline Global. “This product truly redefines what motor oil can achieve and positively impacts consumers and customers like never before. Restore & Protect is a testament to our commitment to pushing the boundaries of innovation in the automotive industry.”
      Restore & Protect is designed for gasoline-engine automobiles, from brand-new to older, high-mileage vehicles. The premium full-synthetic motor oil is “the culmination of three years of relentless development, resulting in Valvoline’s most technologically advanced engine oil ever,” the company noted.  
      Restore & Protect presents two of Valvoline’s proprietary new technologies: Active Clean, which removes deposits and restores engines to run like new; and Liqui-Shield, which works proactively to prevent deposit formation and protects against future damage. 
      Valvoline Restore & Protect is poised to hit shelves and Valvoline business partners globally in 2024. For more information on the technology and availability, DIY customers can visit
      link hidden, please login to view, while quick-lube, dealership, auto service/tire shops and other partners can click link hidden, please login to view. The post
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    • A-premium Auto Parts:5% OFF with Code GM5.
    • By APF
      Brake rotors may be replaced for a variety of reasons. One is that replacement is a must if the original rotors are worn out. Every rotor has a minimum thickness or discard specification cast or stamped somewhere on the center hat section of the rotor. When the brake pads are replaced, the rotors always should be measured with a micrometer to determine their thickness. If the rotors are worn too thin and are at or below the minimum or discard thickness (or they cannot be resurfaced without exceeding the limit), the rotors must be replaced.
      Worn-out rotors are dangerous for two reasons: Thin rotors cannot absorb and dissipate heat as well as new rotors, which increases the risk of the pads getting too hot and fading with prolonged or heavy braking. Also, thin rotors are more likely to crack and break apart, which would cause brake failure.
        Another condition that usually calls for rotor replacement is when the rotors are “warped” and are causing a vibration or pulsation when the brakes are applied. Warped is actually a misnomer, because the rotors are not distorted but are worn unevenly. When there is more than a couple thousandths variation in rotor thickness, it pushes the pads in and out when the brakes are applied. The force is transmitted back through the caliper pistons, brake lines and master cylinder all the way to the brake pedal, creating a vibration or pulsation that can be felt by the driver. The greater the variation in rotor thickness, the stronger the vibration or pulsation. It’s a really annoying condition, though not necessarily an unsafe one. It may be mistaken by the vehicle owner for a problem with their antilock brake system, which also can produce pedal pulsation or vibrations when the ABS system kicks into play.
      Uneven rotor wear and thickness variations can be caused by severe rotor overheating (a dragging brake pad or stuck caliper), by distortion in the rotor caused by uneven torque or over-tightening the lug nuts, or even metallurgical defects in the rotor casting itself. High spots on the rotor will often be discolored with a dark bluish tint. Resurfacing the rotor can restore flat parallel surfaces, but often the hard spots that are caused by overheating or uneven wear extend into the metal surface. Over time, this will cause uneven wear again and the pedal pulsation or vibration to return. Replacing the rotors with new ones eliminates any such worries.
      Rotors also must be replaced if they are cracked, damaged or severely corroded. The danger is rotor failure due to the cracks or severe corrosion. Some minor heat cracking on the surface may be acceptable, but heavy or deep cracking is not.
      Another reason to replace rotors is to upgrade braking performance and/or the appearance of the vehicle. Drilled or slotted rotors do add a performance look to any brake system, and they also can provide improved cooling for the rotors and venting for the pads. The holes and/or slots provide an escape path for hot gases that can form between the pads and rotor when the brakes are working hard. Holes and slots or wavy grooves in the rotor face also create turbulence, which improves airflow and cooling.
      Some vehicles come factory-equipped with “composite” rotors that have a thin stamped steel center hat section mated with a cast rotor body to save weight. This type of rotor tends to be more sensitive to uneven wear and distortion than one-piece cast rotors. Composite rotors also are more costly to replace, so one-piece aftermarket cast rotors are a replacement option. However, if replacing composite rotors with one-piece castings, both rotors (right and left) should be replaced at the same time to maintain even braking and alignment side-to-side. On some vehicles, replacing a composite rotor with a thicker cast rotor also may alter wheel geometry slightly, creating increased toe-out and tire wear when turning.
      Source: 
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