QUESTIONS AND CORRECT
ANSWERS RATED A+ | 2025/2026
GUIDE
An engine has a noise that sounds like a knock at the side of the engine
that is louder when the engine is cold and goes away when the engine
reaches operating temperature Which of the following is the MOST
LIKELY cause ?
- Correct Answer - Excessive piston to wall clearance
What angle affects steering wheel return to center ?
- Correct Answer - SAI
Vehicle pulls to the right while braking and right rotor is hotter
- Correct Answer - Left Brake hose is kinked
During a compression test air can be heard through the throttle body .
- Correct Answer - Intake valve
Clunk can be heard in the front left while braking
- Correct Answer - loose sway bar link
What can be diagnosed using the included angle ?
- Correct Answer - SAI & Camber
, Rear axle pinion gear leaking , what should the tech do first ?
- Correct Answer - check vent
16. Vanos has a loss of power Tech a says not enough oil pressure Tech
b says it's due to timing .
- Correct Answer - Both
Low vacuum when vehicle is first started and goes away after a few
seconds .
- Correct Answer - restriction on vacuum line
Corroded coolants line .
- Correct Answer - too much coolant concentration
Xdrive drag feeling
- Correct Answer - mismatched tires
Vacuum check valve bleeds slowly
- Correct Answer - vacuum valve should not leak
compression test shows low pressure during a dry test , but good
pressure during wet compression test .
- Correct Answer - Piston rings aren't sealing
What liquid do you use for a wet compression test
- Correct Answer - engine oil
What can cause SAI to be out of alignment
- Correct Answer - swivel bearing