AUTT 2010 Syllabus
Subject Code
AUTT
Course Number
2010
Course Title
Automotive Engine Repair
Prerequisites
Prerequisites/Corequisites: AUTT 1010, AUTT 1020
Corequisites
Terms Offered
Offered Summer
Credit Hours
(2-10-6)
Course Description
This course introduces students to automotive engine theory and repair, placing emphasis on inspection, testing, and diagnostic techniques for both 2-cycle and 4-cycle internal combustion engines. Topics include general engine diagnosis, removal and reinstallation, cylinder heads and valve trains diagnosis and repair, engine blocks assembly diagnosis and repair, and lubrication and cooling systems diagnosis and repair. Students must pay a $30 supply fee when registering for this course.
Course Outcomes
General Engine Diagnosis; Removal and Reinstallation (R & R)
Order Description
1 Complete work order to include customer information, vehicle identifying information, customer
concern, related service history, cause, and correction. P-1
2 Identify and interpret engine concern; determine necessary action. P-1
3 Research applicable vehicle and service information, such as internal engine operation, vehicle
service history service precautions, and technical service bulletins. P-1
4 Locate and interpret vehicle and major component identification numbers. P-1
5 Inspect engine assembly for fuel, oil, coolant, and other leaks, determine necessary action. P-1
6 Diagnose engine noises and vibrations; determine necessary action. P-2
7 Diagnose the cause of excessive oil consumption, coolant consumption, unusual engine exhaust
color and odor; determine necessary action. P-2
8 Perform engine vacuum tests; determine necessary action. P-1
9 Perform cylinder power balance tests; determine necessary action. P-2
10 Perform cylinder cranking and running compression tests; determine necessary action. P-1
11 Perform cylinder leakage tests; determine necessary action. P-1
12 Remove and reinstall engine in an OBDII or newer vehicle; reconnect all attaching components
and restore the vehicle to running condition. P-2
13 Install engine covers using gaskets, seals, and sealers as required. P-1
14 Perform common fastener and thread repair, to include: remove broken bolt, restore internal
and external threads, and repair internal threads with thread inserts. P-1
15 Inspect, remove, and replace engine mounts. P-2
Cylinder Head and Valve Train Diagnosis and Repair
Order Description
1 Remove cylinder head; inspect gasket condition; install cylinder head and gasket; tighten
according to manufacturer's specifications and procedures. P-1
2 Clean and visually inspect a cylinder head for cracks; check gasket surface areas for warpage
and surface finish; check passage condition. P-1
3 Inspect valve springs for squareness and free height comparison; determine necessary action.
P-3
4 Replace valve stem seals on an assembled engine; inspect value spring retainers, locks/keepers,
and valve lock/keeper grooves; determine necessary action. P-3
5 Inspect valve guides for wear; check valve stem-to-guide clearance; determine necessary action.
P-3
6 Inspect valves and valve seats; determine necessary action. P-3
7 Check valve spring assembled height and valve stem height; determine necessary action. P-3
8 Inspect pushrods, rocker arms, rocker arm pivots and shafts for wear, bending, cracks,
looseness and blocked oil passages (orifices); determine necessary action. P-2
9 Inspect valve lifters; determine necessary action. P-2
10 Adjust valves (mechanical or hydraulic lifters). P-1
11 Inspect and replace camshaft and drive belt/chain (includes checking drive gear wear and
backlash, and play, sprocket and chain wear, overhead cam drive sprocket(s), drive belt(s), belt
tension, tensioners, camshaft reluctor ring/tone-wheel, and variable valve timing components).
P-1
12 Inspect and/or measure camshaft for runout, journal wear, and lobe wear. P-2
13 Inspect camshaft bearing surface for wear, damage, out-of-round, and alignment; determine
necessary action. P-2
14 Establish camshaft position sensor indexing. P-1
Engine Block Assembly Diagnosis and Repair
Order Description
1 Disassemble engine block; clean and prepare components for inspection and reassembly. P-1
2 Inspect engine block for visible cracks, passage condition, core and gallery plug condition, and
surface warpage; determine necessary action. P-2
3 Inspect and measure cylinder walls/sleeves for damage, wear, and ridges; determine necessary
action. P-2
4 Deglaze and clean cylinder walls. P-2
5 Inspect and measure camshaft bearings for wear, damage, out-of-round, and alignment;
determine necessary action. P-3
6 Inspect crankshaft for straightness, journal damage, keyway damage, thrust flange and sealing
surface condition, and visual surface cracks; check oil passage condition; measure end play and
journal wear; check crankshaft position sensor reluctor ring (where applicable); determine
necessary action. P-1
7 Inspect main and connecting rod bearings for damage and wear; determine necessary action.
P-2
8 Identify piston and bearing water patterns that indicate connecting rod alignment and main
bearing bore problems; determine necessary action. P-3
9 Inspect and measure piston skirts and ring lands; determine necessary action. P-2
10 Remove and replace piston pin. P-3
11 Determine piston-to-bore clearance. P-2
12 Inspect, measure, and install piston rings. P-2
13 Inspect auxiliary shaft(s) (balance, intermediate, idler, counterbalance or silencer); inspect
shaft(s) and support bearings for damage and wear; determine necessary action; reinstall and
time. P-2
14 Remove, inspect, or replace crankshaft vibration damper (harmonic balancer). P-2
15 Assemble engine block. P-1
Lubrication and Cooling Systems Diagnosis and Repair
Order Description
1 Inspect, replace, and adjust drive belts, tensioners, and pulleys; check pulley and belt
alignment. P-1
2 Perform oil pressure tests; determine necessary action. P-1
3 Inspect oil pump gears or rotors, housing, pressure relief devices, and pump drive; perform
necessary action. P-2
4 Perform cooling system pressure tests; check coolant condition; inspect and test radiator,
pressure cap, coolant recovery tank, and hoses; determine necessary action. P-1
5 Inspect and replace engine cooling and heat system hoses. P-1
6 Inspect, test, and replace thermostat and gasket/seal. P-1
7 Test coolant; drain and recover coolant; flush and refill cooling system with recommended
coolant; bleed air as required. P-1
8 Remove and replace radiator. P-2
9 Inspect, remove and replace water pump. P-2
10 Inspect, and test fan(s) (electrical or mechanical), fan clutch, fan shroud, and air dams. P-1
11 Inspect auxiliary coolers; determine necessary action. P-3
12 Inspect, test, and replace oil temperature and pressure switches and sensors. P-2
13 Perform oil and filter change. P-1
14 Identify causes of engine overheating. P-1