Review: ASE Test Preparation is a well-known brand that provides study guides and manuals for individuals who want to become certified technicians in the automotive industry. The company offers various products, including those specifically designed for medium/heavy duty trucks. In this review, we will take a closer look at some of their most popular products and provide our thoughts on each one. ASE Test Prep Medium and Heavy Truck Study Guide Set - ASE T1-T8 (Motor Age Training) is an excellent resource for anyone looking to prepare for the ASE T1-T8 medium/heavy duty truck tests. The study guide covers a wide range of topics, including brakes, steering & suspension, and diesel engines. It also includes practice questions and explanations to help individuals better understand the material. Overall, this study guide is well-organized and easy to follow, making it an excellent choice for anyone looking to pass their ASE T1-T8 tests. ASE Test Preparation - T4 Brakes (ASE Test Preparation for Medium/Heavy Duty Truck Brakes Test T4) is another great resource for those preparing for the ASE T4 brakes test. The study guide covers everything from brake system design to brake pedal modulation, and includes practice questions and explanations to help individuals better understand the material. This study guide is well-written and easy to follow, making it an excellent choice for anyone looking to pass their ASE T4 brakes test. ASE Test Preparation Manual - Electronic Diesel Engine Diagnosis Specialist (L2) is a comprehensive manual that covers everything from diesel engine design to diagnosis and repair. The manual includes detailed information on various types of diesel engines, as well as troubleshooting guides and diagnostic tools. This manual is well-written and easy to follow, making it an excellent choice for anyone looking to become certified in electronic diesel engine diagnosis specialist (L2). ASE A9 Light Vehicle Diesel Engines - Practice Test Kit: Automotive Certification Practice Test Series - 130 Questions with Fully Explained Answers is a great resource for those preparing for the ASE A9 light vehicle diesel engines test. The practice test kit includes 130 questions, each with a fully explained answer. This study guide is well-organized and easy to follow, making it an excellent choice for anyone looking to pass their ASE A9 light vehicle diesel engines test. Diesel Technology by Motor Age ASE T5 Test Preparation - Steering & Suspension Study Guide (Motor Age Training) is a great resource for those preparing for the ASE T5 steering and suspension test. The study guide covers everything from steering system design to suspension tuning, and includes practice questions and explanations to help individuals better understand the material. This study guide is well-written and easy to follow, making it an excellent choice for anyone looking to pass their ASE T5 steering and suspension test. ASE S2 Test Prep Diesel Engines Certification Study Guide (Motor Age) by Motor Age Staff (2013-05-04) is another great resource for those preparing for the ASE S2 diesel engines certification test. The study guide covers everything from diesel engine design to diagnosis and repair, and includes detailed information on various types of diesel engines. This study guide is well-written and easy to follow, making it an excellent choice for anyone looking to become certified in diesel engines. ASE DVD Study Guide A9 Light Vehicle Diesel by Motor Age Training is a comprehensive resource that covers everything from diesel engine design to diagnosis and repair. The study guide includes detailed information on various types of diesel engines, as well as troubleshooting guides and diagnostic tools. This study guide is well-written and easy to follow, making it an excellent choice for anyone looking to become certified in ASE A9 light vehicle diesel. In conclusion, ASE Test Preparation offers a wide range of products that are specifically designed to help individuals prepare for various automotive tests. Their medium/heavy duty truck study guides and manuals are well-written and easy to follow, making them excellent choices for anyone looking to pass their ASE T1-T8, ASE T4 brakes, ASE S2 diesel engines certification, ASE A9 light vehicle diesels, and other medium/heavy duty truck tests.