ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE| Questions and correct answers| 100% Pass| Latest 2026

ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE| Questions and correct answers| 100% Pass| Latest 2026 WHICH OF THE FOLLOWING IS TRUE ABOUT ADJUSTING VALVE TAPPET CLEARANCE B. VALVE TAPPET CLEARANCE SHOULD BE ADJUSTED AT TDC AT THE END OF THE COMPRESSION STROKE. (CORRECT AWNSER) THE HYDRAULIC LIFTERS ARE NOISY AT HIGHWAY SPEEDS BUT QUIET AT LOW SPEEDS. WHAT SHOULD YOU DO FIRST AS YOU DIAGNOSE THIS PROBLEM? B. CHECK CRANKCASE OIL LEVEL. (CORRECT AWNSER) THE VALVE TIMING ON MOST ENGINES IS CONTROLLED BY: D. A BELT, CHAIN OR GEAR DRIVE. (CORRECT AWNSER) THE COMPRESSION TEST HAS SHOWED THAT THE MIDDLE TWO CYLINDERS ON ONE SIDE OF A V-8 ENGINE HAD READINGS OF 50 PSI. THE OTHER CYLINDERS HAD READINGS BETWEEN 135 PSI AND 140 PSI. WHAT IS THE LIKELY CAUSE OF THIS CONDITION? C. A BLOWN HEAD GASKET. (CORRECT AWNSER) EXCESSIVELY WORN VALVE GUIDES: A. MAY BE REPLACED IF REMOVABLE. B. MAY BE REAMED TO OVERSIZE. C. MAY CAUSE OIL CONSUMPTION. D. ALL OF THE ABOVE. (CORRECT AWNSER) INTAKE VALVE DEPOSITS, AS SHOWN BELOW: CAN REDUCE VOLUMETRIC EFFICIENCY AND AFFECT HIGH RPM PERFORMANCE. CAN CAUSE DRIVEABILITY PROBLEMS DURING COLD ENGINE OPERATION. WHAT IS BEING CHECKED ON THE VALVE SPRING IN THE ILLUSTRATION BELOW? A. INSTALLED HEIGHT (CORRECT AWNSER) YOU ARE USING A VACUUM GAUGE CONNECTED TO THE INTAKE MANIFOLD. WHICH OF THE FOLLOWING IS TRUE? A. WHEN THE ENGINE IS RAPIDLY ACCELERATED, THE NEEDLE WILL RISE TO A HIGH READING. (CORRECT AWNSER) WHAT ARE THE MINIMUM AND MAXIMUM MEASUREMENTS OF A SHAFT GIVEN 2.125 PLUS OR MINIUS .015?