What part causes the disc brake caliper piston to retract when the brakes are released?
A) The rotating rotor (disc) that pushes the piston back
B) The square cut O-ring
C) Return (retracting) spring
D) The caliper bushings
B
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What does PD stand for?
Review drawing number 523597B0A and then answer the question.
How is the AC compressor lubricated in an R-134a system?
A) Most compressors are a sealed unit with their own oil B) The refrigerant oil mixes with the refrigerant C) The oil moves through the system simply with the movement of the refrigerant D) Uses a sump to hold 3 to 5 oz. of refrigerant oil
The ____________________ must be protected by the secondary flame to prevent the atmosphere from contaminating the metal.
Fill in the blank(s) with the appropriate word(s).
Which character of the VIN indicates the year of the vehicle?
A) First B) Tenth C) Eighth D) None of these