Operation CHARM
: Car repair manuals for everyone.
Home
>>
Chevy Truck
>>
1990
>>
C 1500 Truck 2WD V8-350 5.7L
>>
Repair and Diagnosis
>>
Transmission and Drivetrain
>>
Automatic Transmission/Transaxle
>>
Description and Operation
>>
3L80/3L80HD (400/475) Automatic Transmission
>>
Hydraulic System, Brakes
>>
Functions of Valves & Hydraulic Control Units
>>
Detent Valve
Detent Valve
Shifts when oil line is exhausted at end of valve when
detent solenoid
is energized. This directs detent oil to the 1-2 accumulator valve, 1-2 regulator and 2-3 modulator valves, 3-2 valve and the vacuum modulator valve.