ABS
Engine Low
Engine High
A/C
El Diablo
100
The Following components are all parts of the ABS system: ABS ECU, Wheel speed sensor, brake chamber, modulator valve, reluctor wheel? True or False
What is false - Brake chamber is not.
100
What is the normal configuration of a On Highway Heavy Duty Diesel engines?
What is Inline 6 - I-6, straight 6
100
What does the camshaft actuate?
What are the valves and injector
100
what type of refrigerant do we use?
What is R134a
100
The pitman arm connects the _________ to ________
What is Steering gear to drag link
200
The purpose of ABS is:
What is to prevent wheel lockup
200
What are the role of piston rings?
Seal the cylinder and lubricate the cylinder walls
200
What do timing gears do?
transfer motion from the crankshaft to camshaft and other engine accessories
200
Refrigerant enters the expansion valve in what state?
What is high pressure liquid
200
True or false: We have a 12 and 24V electrical system on our 98 Frieght?
What is False
300
What does EBS stand for?
What is Electronic Braking Systems
300
What is the upper face of a piston called?
What is the crown
300
What do rocker arms do?
What is transfer camshaft motion to the valves / mechanical injectors
300
A/C compresser compresses ________ to ________
What is low pressure vapor to high pressure vapor
300
Name 5 Over the road truck manufactures
What is Volvo, international, mack, kenworth, peterbilt, frieghtliner
400
EBS is considering breaking by ____
What is wire
400
What are the two types of basic piston designs?
What are: trunk type pistons, articulating pistons
400
What type of engine would use pushrods / tubes
What is cylinder block mounted camshafts
400
name 4 components to a A/C system
What is condensor, compressor, evap, Expansion valve
400
What is BDC?
What is bottom dead center, when the piston is furthest down as it can go
500
Wheel speed sensors and axle speed sensors are ____________ devices used to signal wheel speed information to the ABS module?
What is Electromagnetic
500
Define Hydrodynamic suspension
hydrodynamic suspension is the supporting of a rotating shaft on a fluid wedge of constantly changing, pressurized engine oil.
500
camshafts can rotate which way?
What is CW or CCW
500
If your A/C gauges are reading High on the High and high on the lowside, name 2 possible reason?
overcharged, air in system, exp valve stuck open, insufficent air through condensor
500
Name 5 engine manufacturers heavy duty OTR: Name 2 transmission manufactures:
What is paccar, volvo, intl, cummins, detroit, mack allison, eaton
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