Automotive: Transmission Q/A's
This question contains the word EXCEPT. A broken transmission mount can cause all of the following to happen, EXCEPT:
Cause the transmission to jump out of gear
Which of the following must be replaced during the service of a hydraulically controlled clutch?
Clutch fluid
An orange colored liquid is found under the front of the engine. What is leaking?
Coolant
The DEF (diesel exhaust fuel) is added at what location on a light duty diesel powered vehicle?
Fitting near the fuel door (cap is blue)
What tool is used to measure engine coolant freeze protection?
Hydrometer
Positive Crankcase Ventilator (PCV)
Relieves combustion pressure from the crankcase/oil pan
This question contains the word Except. A dry or dragging pilot bearing can act like a defective clutch when shifting into all of the following gears, EXCEPT:
Reverse standing still
A tight timing belt makes what type of noise?
Whining noise (Connected to the camshaft and the crankshaft)
There is a blue fluid beneath the vehicle. The fluid is most likely____________.
Windshield washer fluid
The use of what type of diesel fuel is critical exhaust fluid used in SCR (selective catalyst reduction) systems?
Ultra Low Sulfur Diesel
A technician notices missing teeth on the flywheel ring gear. Which of the following is the Least likely way to fix the problem?
Use a MIG welder to replace the missing teeth
The automotive repair process is a six step process. What is the last step in that process?
Verifying the repair
This question contains the word EXCEPT. A burnt pressure plate may be caused by all of the following EXCEPT:
A damaged pilot bearing
A utility truck comes in for repair because the clutch will not release. Technician A says a faulty sleeve and retainer could cause the problem. Who is right?
A only
Technician A says the component in the center of this transaxle bell housing is used to release the clutch. Technician B says this transmission uses a mechanical clutch. Who is right?
A only
Which of the following are the three critical clutch pedal measurements?
-Pedal height -Free play -Reserve
What is the normal operating temperature of a vehicle?
195-215
The flywheel was removed during a clutch replacement. Technician A says to check all plugs and oil seals on the rear of the engine block. Technician B says the crankshaft runout should be checked before reinstalling the flywheel. Who is right?
A only
Which of the following conditions will MOST likely cause hard shifting in a manual transmission?
A warped clutch
Technician A says to replace the engine-cooling thermostat once a year. Technician B says the lower radiator hose contains a spring to prevent it from collapsing and causing a restriction. Who is right?
B only
An engine has an oil leak at the valve cover (covers valve train). The technician has replaced the valve cover gasket but the oil still leaks out. What is the MOST likely cause?
Stuck PCV valve
This question contains the word EXCEPT. Clutch linkage should be adjusted under all of the following conditions, EXCEPT:
When the hydraulic fluid is replaced
A clutch is both chattering and grabbing. Technician A says this is more noticeable during idle. Technician B says this usually happens when engaged the clutch. Who is right?
B only
A vehicle comes in the shop with an engine noise. What should be done first?
Discuss the noise with the owner
A manual transmission clashes when trying to shift into any gear. The clutch pedal free-play is normal. Technician A says the pilot bearing could be the cause. Technician B says a broken motor mount could be the cause. Who is right?
A only
A vehicle comes in with hard shifting concerns, particularly into first gear. Technician A says the first speed-blocking ring is the MOST likely cause. Technician B says the clutch could be out of adjustment. Who is right?
B only
A vehicle has a burnt friction disk in the clutch. Technician A says it could be caused by too much clutch pedal free play. Technician B says binding linkage may have caused it. Who is right?
B only
A transmission grinds when shifting into reverse. Which of the following would be the LEAST likely cause?
Binding clutch linkage
Technician A says most OEMs (original equipment manufacturers) recommend an oil change interval of 7,500 to 12,000 miles, or every 6 months. Technician B says oil change intervals are controlled electronically through an oil monitor on the dash. Who is right?
Both A and B
The engine water pump is going to be replaced. Which of the following is done as part of that repair process?
Drain the coolant below the water pump level
A damaged pilot bearing may cause a rattling or growing noise when which of the following conditions exist?
Engine idling and the clutch pedal is fully pressed and clutch released
Clutch slippage may be caused by which of the following?
Leaking or rear main seal
A spark ignition engine has a flapping sound near the front. Which of the following could be the cause?
Loose timing belt
Why do some vehicles have 2 thermostats and 2 radiators?
One for the heater and one for the cooling system
This question contains the word EXCEPT. When a clutch needs replacement, the flywheel needs to be inspected for all of these, EXCEPT:
Thickness