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WorksheetsAuto Fluids
Total questions: 10
Worksheet time: 30mins
Should you recommend changing fluids based on the color or smell of the fluid?
Yes, always
No. Stick with the manufacturer's recommendations
Only if the color is brown and the fluid smells burned
Only if the fluid is red and smells sweet
Transmission fluid:
Provides friction to make sure clutches engage
Lubricates the moving parts of the transmission
Conditions seals so the transmission doesn’t leak
All of the above
80 percent of transmission fluid is
Lubricating oil
Detergents
Dispersants
Friction modifiers
Why is transmission fluid red?
Viscosity modifiers turn the fluid red
Oxidation preventers turn the fluid red
To distinguish it from other fluids and prevent confusion for the user
Red fluids are more slippery
A continuously variable transmission:
Is the same as a step-gear transmission
Can use the same fluid as any other automatic transmission
Requires a transmission fluid specially formulated for CVT needs
Needs transmission fluid exchanges much more frequently
Why does antifreeze come in many different colors?
There is no reason. It’s just for marketing.
The different colors represent different kinds of chemicals, made for specific engines
The colors represent how long the coolant will last
Red is for summer months, while green is for winter months
Antifreeze is 96 percent:
Buffering material
Corrosion inhibitor
Friction modifier
Ethylene glycol
Faulty power steering fluid can result in:
Pump failure, creating a whining noise
Loss of power steering, making the wheel hard to turn
Difficulty shifting
Both A and B
Brake fluid is made up of a chemical that:
Is mostly just engine oil
Is always blue
Has a high boiling point
Lubricates transmission parts
If brake fluid boils:
Your vehicle could catch on fire
You may be unable to apply your brakes
It changes to a bright yellow color
Braking power increases
