Symptoms of low coolant - Study guides, Class notes & Summaries

BMW Associate level ASE Test Questions and Answers | Latest Version | 2024/2025 | Graded A+ What is the primary purpose of the engine oil in a vehicle? The primary purpose of engine oil is to lubricate moving parts, reduce friction, and help cool the engine. Explain the function of the catalytic converter in an automobile. The catalytic converter reduces harmful emissions by converting toxic gases like carbon monoxide and nitrogen oxides into less harmful substances. What type...

Cooling system leak diagnosis - Answer Pressure test or dye test Purpose of a radiator - Answer The purpose of the radiator is to dissipate heat that is picked up by coolant in the engine into the air passing through its fins and tubes Symptoms of low coolant - Answer Engine overheating and no heat from the HVAC system Purpose of the thermostat - Answer The purpose of the thermostat is to trap the coolant in the engine until it reaches it operating temperature Cause of lo...

Engine Performance Practice Exam Test. Blue smoke is coming from the exhaust pipe of a vehicle. Tech A says that worn piston rings could be the cause. Tech B says that a bad head gasket could be the cause. Who is right? A. Tech A B. Tech B C. Both D. Neither - CORRECT ANSWER A. Blue smoke means the engine is burning oil, which could be caused by worn piston rings. Technician B is wrong because a bad head gasket would cause coolant to leak into one or more cylinders, resulting in white ...

Red seal practice test latest version graded A What is the correct procedure for preparing an engine hoist to lift an engine Adjust the leg length and then adjust the lift beam length to lift engine What steps should be take its technician shows symptoms of carbon monoxide poisoning after working in a closed shop all day Evacuate the technician to fresh air and then check the exhaust system including makeup air unit Where would a technician find an engine vacuum diagram In a service manual Wh...

Michigan Mechanic Certification- HVAC QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED)

Counterman A says "Mercon LV" transmission fluid is used in newer Ford and Mercury vehicles. Counterman B says "Dexron-VI" fluid is used in newer Chrysler vehicles. Who is right? - correct answer Counterman A only Transmission fluid that is brown and has a burnt smell: - correct answer Is badly oxidized and needs to be replaced; Can damage the transmission; Has probably been subjected to overheating "ATF+4" automatic transmission fluid is u...

High Hydro Carbons indicate... Engine misfire; Incomplete burning of fuel, Ignition fault Lean misfire Thermostat (engine temp. too low) High CO indicates... Rich condition; Leaking fuel injector or fuel-pressure regulator Clogged air filter or PCV system Excessive fuel pressure High NOx indicates... Hot engine temp. Bad EGR valve Lean Air/Fuel mixture High Compression If vacuum is low, EGR flow is_______? High A cold engine requires a (Rich, or Lean) Air/fuel mixture? A eng...

Cooling system leak diagnosis - ANSWER-Pressure test or dye test Purpose of a radiator - ANSWER-The purpose of the radiator is to dissipate heat that is picked up by coolant in the engine into the air passing through its fins and tubes Symptoms of low coolant - ANSWER-Engine overheating and no heat from the HVAC system Purpose of the thermostat - ANSWER-The purpose of the thermostat is to trap the coolant in the engine until it reaches it operating temperature Cause of low heater out...

Intro To Michigan Mechanic Certification Exam With Complete Solution Cooling system leak diagnosis - CORRECT ANSWER-Pressure test or dye test Purpose of a radiator - CORRECT ANSWER-The purpose of the radiator is to dissipate heat that is picked up by coolant in the engine into the air passing through its fins and tubes Symptoms of low coolant - CORRECT ANSWER-Engine overheating and no heat from the HVAC system Purpose of the thermostat - CORRECT ANSWER-The purpose of the thermostat is t...

High Hydro Carbons indicate... - ANSWER-Engine misfire; Incomplete burning of fuel, Ignition fault Lean misfire Thermostat (engine temp. too low) High CO indicates... - ANSWER-Rich condition; Leaking fuel injector or fuel-pressure regulator Clogged air filter or PCV system Excessive fuel pressure High NOx indicates... - ANSWER-Hot engine temp. Bad EGR valve Lean Air/Fuel mixture High Compression If vacuum is low, EGR flow is_______? - ANSWER-High A cold engine requires a (Ri...