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11-2 SHIFT COMPLAINT
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CHECK TRANS. O I L LEVEL
-
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SOFT SHIFT SLIPS OR LONG DRAWN
GENERALLY AGGRESSIVE, OR DELAYED
OUT SHIFT WITH END BUMP; ALSO CAN
BE EARLY SHIFTS.
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DRIVE-BRAKES APPLIED,
ENGINE A T 1000 Rf'M
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CHECK LlNE PRESSURE I N
DRIVE-BRAKES APPLIED,
ENGINE AT 1000 RPM
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LOW LlNE PRESSURE"
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ASSHOWN I N FIG. 6. INSTALL VACUUM
GAUGE ("T" FITTING A T MODULATOR).
NORMAL
9
CHECK VACUUM AND PRESSURE RESPONSE TO
THROTTLE OPENING-BOTH SHOULD RESPOND
RAPIDLY TO QUICK CHANGES I N T H R O l T L E
OPENING.
VALVE ASSEMBLY
RESPONSE NORMAL
P
PRESSURE AND VACUUM
VACUUM RESPONSE NORMAL
1 '
RESPONSE POOR
PRESSURE RESPONSE POOR
i
CHECK 1-2 ACCUM.
SYSTEM I N
CONTROL VALVE ASSY.
CHECK FOR RESTRICTION
I N VACUUM LlNE AND
CHECK FOR COLLAPSED
A
BOLT TORQUE
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1
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REMOVE CONTROL VALVE
ASSEMBLY. INSPECT FOR
NICKS ON MACHINED
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MODULATOR BELLOWS
(SEE "INSPECTION OF
MODULATOR & VALVE")
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PISTON OR LEAK
SURFACE OR VOIDS I N
CASTING.
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CHECK REAR ACCUM. PISTON,
RINGS & CASE BORE
CHECK 1-2 ACCUM. VALVE SYSTEM
CHECK FRONT ACCUM. PISTON & OIL RINGS
REAR ACCUM. FEED RESTRICTED
I N TRANS. CASE
CHECK SPACER PLATE FOR BL
ORIFICE (SEE FIG.
5 )
CHECK FOR DAMAGED REAR
SERVO PISTON OR OIL SEAL RING
NUMBER AND CORRECT
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CHECK CENTER SUPPORT BOLT TORQUE AND
SUPPORT LOOSENESS. AIR CHECK INT. CLUTCH
FOR LEAKAGE A T SEALS.
EXCESSIVE
NORMAL
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REMOVE AND INSPECT INT. CLUTCH AND
CENTER SUPPORT-CHECK CASE TO SUPPORT
FACE. CHECK FOR MISSING ORIFICE CUP
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CHECK INT. CLUTCH FOR PROPER TYPE
CLUTCH PLATES AND NUMBER OF RELEASE
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PLUG I N CENTER SUPPORT (EXCEPT '65 MODELS)
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INTERMEDIATE CLUTCH PLATES
- -
BURNED (SEE "CAUSE OF
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