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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Automatic Transmission Diagnosis - 4L80-E) >> Trouble Shooting >> Clutch & Band Applications

Clutch & Band Applications

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 Chevrolet Suburban, and 2002 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CLUTCH & BAND APPLICATIONS

Gearshift Lever Position (Gear) Shift Solenoid State Elements In Use
"D" (1st) 1-2 ON; 2-3 OFF (1) Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & (1) Low Roller Clutch
"D" (2nd) 1-2 OFF; 2-3 OFF (1) Overdrive Roller Clutch, Forward Clutch, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"D" (3rd) 1-2 OFF; 2-3 ON (1) Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"D" (4th) 1-2 ON; 2-3 ON 4th Clutch, (3) Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"3" (1st) 1-2 ON; 2-3 OFF Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & (1) Low Roller Clutch
"3" (2nd) 1-2 OFF; 2-3 OFF Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"3" (3rd) 1-2 OFF; 2-3 ON Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"2" (1st) 1-2 ON; 2-3 OFF Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & (1) Low Roller Clutch
"2" (2nd) 1-2 OFF; 2-3 OFF Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, Manual 2-1 Band, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"1" (1st) 1-2 ON; 2-3 OFF Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch, (1) Low Roller Clutch & Low/Reverse Band
"1" (2nd) 1-2 OFF; 2-3 OFF Overrun Clutch, Overdrive Roller Clutch, Forward Clutch, Manual 2-1 Band, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"R" (Reverse) 1-2 ON; 2-3 OFF (1) Overdrive Roller Clutch, Direct Clutch & Low/Reverse Band
"N" Or "P" (Neutral Or Park) 1-2 ON; 2-3 OFF (1) Overdrive Roller Clutch
(1) Holding.
(2) Applied but not effective.
(3) Overrunning.