Chap 12
The dual clutches each operate their own set of gears. One clutch drives ________ and the other clutch operates ________.
1st, 3rd, and 5th; 2nd, 4th, and 6th
How many output shafts does the Getrag DCT 450 transaxle have?
2
In a Getrag DCT 450 transaxle what does gear shift fork 2 control?
3-N-1
A dual clutch transaxle may have an ________ fluid filter.
A dual clutch transaxle may have an ________ fluid filter.
The diagnosis of a dual-clutch transaxle usually requires the use of ________.
A factory scan tool
A concentric clutch is ________.
Both A type of wet clutch and Also called a nested-type clutch
How does a dual clutch transmission/transaxle achieve better fuel economy compared to a conventional automatic transmission?
By engaging neutral when the vehicle is stopped
A dual clutch automatic transmission/transaxle may be called ________.
Direct shift gearbox (DSG) \ Porsche Doppelkupplung (PDK) Automated manual transmission (AMT)
A dual-clutch transmission uses ________ clutches.
Either Two wet (multi-disc) or Two dry is correct
What is the purpose of the clutch shift multiplex solenoid (CSMS2)?
Leads the pressure between even clutch and shifting, controls cooling flow for clutches, and can turn off the valve for dumping clutch pressure
The dual clutch pictured here is a ________ type clutch.
Nested
All of the following are advantages of a dual clutch automatic transmission/transaxle EXCEPT ________.
No torque multiplication advantage of a torque converter
A concentric clutch design means that the dual clutches are ________.
One inside the other
In a dual clutch transmission the different gears are engaged by ________.
Shift forks
A P0753 diagnostic trouble code (DTC) means that the TCM has detected a fault with ________.
Shift select solenoid 1 system (open circuit)
A dual dry clutch system is used in what type of vehicle?
Small front-wheel drive
The fluid used in dual clutch automatic transmissions and transaxles is usually ________.
Special synthetic fluid often green in color
A dual clutch transmission is an automated transmission that uses a manual transmission-style gear layout and ________ to change gear ratios.
Synchronizers
During upshifting in a dual clutch transaxle, what happens right before the clutch is engaged?
The next gear is preselected before the clutch is engaged
Why is the steering wheel position sensor used as an input to the TCM?
Used to prevent an upshift if the vehicle is turning
A high powered vehicle is likely to use a ________ if it uses a dual clutch transmission
Wet clutch
Under what condition will both clutches be disengaged at the same time?
When the vehicle is stopped and in gear
