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The curriculum covers essential diesel engine theory, safety, inspections, precise measurements, in-vehicle repairs, valve train service, engine disassembly/reassembly, gear timing, and mechanical fuel injection adjustments. It also emphasizes diagnosis and repair of cooling, exhaust, intake preheat, EGR, turbo/supercharging, and engine braking subsystems, preparing learners for ASE Truck Gas and Diesel Engine Repair certification exams.",{"@graph":69,"@context":127},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/mtrk-152a-medium-and-heavy-truck-engines-service-diagnosis-and-repair-course-outline/496660/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/mtrk-152a-medium-and-heavy-truck-engines-service-diagnosis-and-repair-course-outline/496660.png","ImageObject",300,407,{"name":92,"@type":93},"Finn","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-09","2026-10-02",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",12,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119,123],{"name":110,"@type":111,"acceptedAnswer":112},"What topics are emphasized in engine inspection and diagnosis for this course?","Question",{"text":113,"@type":114},"The course emphasizes engine inspection and measurements, in-vehicle repairs, and diagnosis using manufacturer standards and service information across major engine systems such as the engine block, rotating assembly, reciprocating assembly, valve train, cooling, and exhaust.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"Which practical procedures and engine components are covered in course objectives?",{"text":118,"@type":114},"Students perform proper engine measurements with precision tooling, remove/replace/adjust valvetrain components per manufacturer recommendations, disassemble/reassemble/adjust the engine bottom end, and follow procedures for front engine component gear timing.",{"name":120,"@type":111,"acceptedAnswer":121},"How does the course prepare students for ASE certification?",{"text":122,"@type":114},"The course aligns with NATEF Diesel Engines (T2) objectives and is designed to prepare students for ASE Truck Gas and Diesel Engine Repair certification exams (T-1, T-2).",{"name":124,"@type":111,"acceptedAnswer":125},"What types of assignments and learning activities are included?",{"text":126,"@type":114},"Students complete a 3–4 page APA-formatted research paper on diesel engine operation principles or new developments, write brief summaries of trade journals, and complete take-home ASE style quizzes through lab and lecture instruction (including online education lecture).","https://schema.org",{"og:url":83,"og:type":129,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":131,"canonical":83},"index,follow",{"doc_id":133,"site_id":62},496660,1791607680,{"code":4,"msg":5,"data":136},{"doc_id":133,"user_id":137,"nickname":92,"user_avatar":138,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":139,"file_id":140,"file_url":141,"file_type":142,"file_size":143,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":144,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":145,"faqs":146,"seo_title":147,"seo_description":67,"update_tm":148,"read_time":24,"preview_page_count":4},34359740700684,"https://ap-avatar.wpscdn.com/avatar/1f400023980c374ae676?_k=1777273430885731487","MTRK 152A: Medium and Heavy Truck Engines Service, Diagnosis, and Repair 1  \nMTRK 152A: MEDIUM AND HEAVY TRUCK ENGINES SERVICE, DIAGNOSIS, AND REPAIR  \nCitrus College Course Outline of Record  \nHeading Value  \nEffective Term: Fall 2026  \n\n| Credits: | 6 |\n| --- | --- |\n| Total Contact Hours: | 162 |\n| Lecture Hours : | 81 |\n| Lab Hours: | 81 |\n| Hours Arranged: | 0 |\n| Outside of Class Hours: | 162 |\n| Total Student Learning Hours: | 324 |\n| Prerequisite: | MTRK 101 or MTRK 148 or AUTO 101 or both AUTO 101A and AUTO 101B or by department consent based upon individual's experience or ASE certifications or manufacturer certification. |\n| Transferable to CSU: | Yes |\n| Transferable to UC: | No |\n| Grading Method: | Standard Letter, Pass/No Pass |\n\nCatalog Course Description  \nIntended for those students majoring in Medium and Heavy Duty Truck or those currently employed with a medium and heavy truck service/ repair establishment seeking to improve their skills. This course covers essential engine theory, inspection, diagnosis, service and repair. Engine inspection and measurements are covered, with emphasis on in-vehicle repairs. This course prepares students for ASE Truck Gas and Diesel Engine Repair (T-1, T-2) certification exam. 81 lecture hours, 81 lab hours.  \nCourse Objectives  \n• complete ninety-five percent (95%) of Priority 1 (P-1), seventy percent (70%) of Priority 2 (P-2) twenty-five percent (25%) of the Priority 3 (P-3) required National Automotive Technician Education Foundation (NATEF) objectives for Diesel Engines (T2) . Please see attached NATEF objectives (pages 39-45) [or www.natef.org](or www.natef.org) for the most current objectives.  \n• Perform proper engine measurements using precision measurement tooling  \n• Perform valvetrain component removal, replacement and adjustment as per manufacturer recommendations  \n• Perform engine bottom end disassembly, reassembly and adjustment as per manufacturer recommendations  \n• Identify and perform procedures for proper front engine component gear timing  \n• Identify mechanical fuel injection component adjustments and repair  \n• Identify operation and repair of engine braking systems  \n• Identify operation and repair of engine subsystems such as intake preheat systems, exhaust gas recirculation systems, turbo chargers and superchargers  \nMajor Course Content  \n1. Engine mechanical related safety  \na. Audible voice commands when working with a helper  \nb. Working around machinery in motion  \nc. Shop ergonomics  \nd. Tool placements  \n2. Fasteners, seals and gaskets related to engine repair.  \na. Fasteners  \ni. Terminology  \nii. Selection  \niii. Repair  \nb. Seals  \ni. Terminology  \nii. Installation  \nc. Gaskets  \ni. Terminology  \nii. Selection  \niii. Application  \n3. Theory of Operation of Various Engines and Related Systems  \na. Engine block-dry and wet liners  \nb. Rotating assembly  \nc. Reciprocating assembly  \nd. Valve train  \ne. Cooling system  \nf. Exhaust system  \n4. Diagnosis, Repair and Service of Engines and Related Systems Using Manufacturer Standards and Service Information  \na. Engine block  \nb. Rotating assembly  \nc. Reciprocating assembly  \nd. Valve train  \ne. Cooling system  \nf. Exhaust system  \n5. Engine Assembly Using Manufacturer Procedures and Service Information  \na. Engine block  \nb. Rotating assembly  \nc. Reciprocating assembly  \nd. Valve train  \ne. Cooling system  \nf. Exhaust system  \n6. Mechanical fuel system component operation and repair  \na. Mechanical fuel pumps  \nb. Fuel distribution systems  \nc. Fuel injector types  \nd. Fuel injector operation and adjustments  \ne. Injector removal and replacement  \n7. Engine braking systems  \n2 MTRK 152A: Medium and Heavy Truck Engines Service, Diagnosis, and Repair  \na. Compression release braking systems  \nb. Exhaust braking systems  \nc. Engine retarders  \n8. Engine subsystems  \na. Intake preheat systems  \nb. Turbochargers  \nc. Superchargers  \nd. Throttle systems  \ne. Exhaust gas recirculation systems  \nLab Conten","cbCain9kk5sgtI35","https://ap.wps.com/l/cbCain9kk5sgtI35","pdf",50950,"English","# Course Overview\n## Effective Term and Credits\n## Prerequisites and Transfer Information\n## Grading Method\n# Catalog Course Description\n## Intended Audience\n# Course Objectives\n# Major Course Content\n## Engine Safety and Repair Fundamentals\n## Engine Systems Theory\n## Diagnosis, Repair, Service, and Assembly\n## Mechanical Fuel and Engine Braking\n## Engine Subsystems\n# Lab Content\n## Diagnosis and Service Using Standards\n## Rebuilding Procedures\n## Exhaust System Inspection and Power Output Analysis\n# Assignments and Reading\n## Suggested Reading\n## Required Writing Assignments\n## Outside Assignments\n# Instruction Type(s)","[{\"question\":\"What topics are emphasized in engine inspection and diagnosis for this course?\",\"answer\":\"The course emphasizes engine inspection and measurements, in-vehicle repairs, and diagnosis using manufacturer standards and service information across major engine systems such as the engine block, rotating assembly, reciprocating assembly, valve train, cooling, and exhaust.\"},{\"question\":\"Which practical procedures and engine components are covered in course objectives?\",\"answer\":\"Students perform proper engine measurements with precision tooling, remove/replace/adjust valvetrain components per manufacturer recommendations, disassemble/reassemble/adjust the engine bottom end, and follow procedures for front engine component gear timing.\"},{\"question\":\"How does the course prepare students for ASE certification?\",\"answer\":\"The course aligns with NATEF Diesel Engines (T2) objectives and is designed to prepare students for ASE Truck Gas and Diesel Engine Repair certification exams (T-1, T-2).\"},{\"question\":\"What types of assignments and learning activities are included?\",\"answer\":\"Students complete a 3–4 page APA-formatted research paper on diesel engine operation principles or new developments, write brief summaries of trade journals, and complete take-home ASE style quizzes through lab and lecture instruction (including online education lecture).\"}]","MTRK 152A - Medium and Heavy Truck Engines Service, Diagnosis, and Repair - Course Outline | PDF",1790937748]