SOS Mechanic Certificate - Automatic
Transmission
WHICH OF THESE PARTS WOULD LIKELY BE FOUND IN THE VALVE BODY?
ALL OF THE ABOVE
WHAT IS THE FIRST STEP TO PROPERLY DIAGNOSE AN IMPROPERLY SHIFTING
TRANSMISSION?
WHAT IS THE FIRST STEP TO PROPERLY DIAGNOSE AN IMPROPERLY SHIFTING
TRANSMISSION?
GEAR TRAIN END PLAY CAN BE ADJUSTED BY?
SELECTING CORRECT THICKNESS SHIMS
THE PICTURE BELOW SHOWS A DEVICE FOR
COMPENSATING LINE PRESSURE
WHICH OF THE FOLLOWING SIGNALS THE TRANSMISSION TO GO INTO PASSING
GEAR?
AN ELECTRICAL SWITCH OR MECHANICAL LINKAGE.
DURING A ROUTINE MAINTENCE SERVICE, YOU NOTICE THAT THE TRANSMISSION
FLUID IS A DARK RED COLOR AND THE REAR SEAL IS LEAKING (THE PAN IS CLEAN).
THE VEHICLE AND TRANSMISSION HAVE 65,000 MILES ON THEM WITH NO SHIFTING
PROBLEMS. WHAT SHOULD YOU DO NEXT?
CHANGE THE FLUID AND FILTER AND ADVISE THE CUSTOMER THAT THE REAR
SEAL AND BUSHING SHOULD BE REPLACED.
A CAR WITH A 3 SPEED AUTOMATIC TRANSMISSION WORKS OKAY IN FORWARD
GEARS BUT SLIPS IN REVERSE AND DOES NOT HAVE ENGINE BRAKING IN MANUAL
LOW. WHAT COULD CAUSE THIS PROBLEM?
A DEFECTIVE REAR BAND.
HOW ARE THE SHIFT POINTS CHANGED TO ADJUST FOR THE POWER DEMANDS OF
THE DRIVER?
BY VACUUM OR MECHANICAL LINKAGE
, A CAR UPSHIFTS LATE AND HARSH. THERE IS NO SLIPPAGE AND THE CLOSED
THROTTLE DOWNSHIFTS ARE OKAY. WHAT SHOULD YOU DO FIRST?
CHANGED THE FLUID AND FILTER
WHEN TWO MEMBERS OF A PLANETARY GEAR SET ARE LOCKED TOGEATHER, THE
OUTPUT SHAFT:
TURNS AT THE SAME SPEED AS THE INPUT SHAFT
IF DIRECT AND FORWARD CLUTCH PACKS IN A COMMON 3 SPEED AUTOMATIC
TRANSMISSION ARE APPLIED AT THE SAME TIME. WHAT WILL THE RESULTING
CONDITION BE?
DIRECT DRIVE
LOW GEAR
REVERSE GEARD.
A JAMMED OR LOCKED UP TRANSMISSION (not correct)
IN THE PICTURE BELOW THE MECHANIC IS CHECKING:
PUMP BODY TO GEAR FACE CLEARANCE.
MULTIPLE-DISC CLUTCH PACKS IN AUTOMATIC TRANSMSIIONS ARE USUALLY
APPLIED BY:
HYDRAULIC PRESSURE ON A PISTON.
WHICH OF THE FOLLOWING IS LIKELY TO CAUSE BURNED CLUTCH PLATE BANDS?
INTERNAL LEAKS DUE TO DAMAGED SEALS.
AUTOMATIC TRANSMISSION FLUID THAT LOOKS LIKE A CHOCOLATE MILKSHAKE
MAY INDICATE:
A LEAKING RADIATOR COOLER
A TRANSAXEL ASSEMBLY:
IS A TRANSMISSION AND DIFFERENTIAL ASSEMBLY IN ONE COMMON CASE.
WHAT WOULD BE THE RESULT IF THE SUN GEAR WAS THE INPUT MEMBER, THE
CARRIER WAS HELD, AND THE RING GEAR WAS THE OUTPUT MEMBER?
DIRECT DRIVE
OVERDRIVE (NOT THE AWNSER)
TORQUE REDUCTION
REVERSE
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