GTC 140 - Engines

4 Contact Hours, 3 Credits
2 lecture periods 2 lab periods


Principles and procedures for general engine diagnosis, lubrication system diagnosis and repair, cooling system diagnosis and repair, cylinder head diagnosis and repair, and engine block diagnosis and repair.

Course Learning Outcomes

1. Perform the assembly/disassembly of crankshaft, camshaft, timing chain, distributor, pushrods, and rocker arm shaft assembly on a Dodge Engine.
2. Perform the assembly/disassembly of pistons, hydraulic lifters, cylinder heads, fuel pump, water pump, and rocker arm shaft assembly and adjustment of valves.
3. Perform Engine Measurements and determine needed repairs.
4. Perform the assembly/disassembly of valve stem seals, core plugs, and harmonic balancer.
5. Demonstrate the removal/replacement of a timing belt on an overhead cam engine.
6. Perform overhead camshaft valve lash adjustments on a mechanical and shim type heads.

I: Review of Engine Operation

1. List the major parts of an automotive engine. 
2. Explain the purpose of major engine parts and assemblies.
3. Describe the relationship between the major parts of an engine. 
4. Summarize the four stroke cycle. 

II. Engine Types and Classifications

1. Describe different engine cylinder arrangements. 
2. Explain cylinder numbering and firing order. 
3. Engine classification by valve location. 
4. Compare cam in block and overhead cam engine designs. 
5. Describe alternative engine designs. 

III. Engine size and performance ratings

1. Explain engine bore stroke and displacement.
2. Calculate engine displacement.
3. Explain bore and stroke ratio.
4. Describe engine horsepower and torque.

IV. Short Block Construction 

1. Describe the construction of a cylinder block. 
2. Identify the components of a crankshaft.
3. Explain the construction of connecting rods.
4. Describe the function of pistons and piston rings. 

V. Engine top and construction 

1. List the parts of a top end assembly. 
2. Compare overhead valve and overhead cam valve trains.
3. Describe the parts and function of a cylinder head.
4. Explain valve keepers, retainers and valve springs.

VI. Front end and Manifold Construction

1. Describe three types of timing mechanism drives.
2. Explain cam timing.
3. Describe chain tensioners and guides.
4. Explain the timing belt, gears and tensioner.
5. Describe the function of an intake and exhaust manifolds.

VII. Engine Mechanical Problems

1. Describe typical failures in an automobile engine. 
2. Explain the causes of engine mechanical failures. Summarize symptoms for common engine mechanical breakdowns.
3. Diagnose engine mechanical problems.