ACURA NSX 1997 Service Repair Manual

ACURA NSX 1997 Service Repair Manual NSX 1997 ACURA ACURA https://www.carmanualsonline.info/img/32/56989/w960_56989-0.png ACURA NSX 1997 Service Repair Manual
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Page 731 of 1503

ACURA NSX 1997  Service Repair Manual 
Hydraulic Control (cont'd)
Description

Main Valve Body

The main valve body is located on the torque converter housing. The main valve body houses the ATF pump gears, the

torque converter check

Page 732 of 1503

ACURA NSX 1997  Service Repair Manual 
ATF Pump

The external tooth gear type ATF pump consists of a housing together with the main valve body, a pump drive gear, a

pump driven gear, and a pump shaft. The ATF pump is installed on the tor

Page 733 of 1503

ACURA NSX 1997  Service Repair Manual 
Secondary Valve Body

The secondary valve body is also mounted on the main valve body with the 3-2 kick-down valve, the CPC valve, the 2nd

orifice control valve, the 3rd orifice control valve, the m

Page 734 of 1503

ACURA NSX 1997  Service Repair Manual 
Modulator Valve

The modulator valve uses line pressure from the regulator (to shift control solenoid valves A/B) and the lock-up control

solenoid valves A/B, to maintain accurate shift and lock-up

Page 735 of 1503

ACURA NSX 1997  Service Repair Manual 
Hydraulic Control (cont'd)
Description

Servo Body

The servo body is mounted on the secondary valve body with the servo valve, the 1st accumulator piston, the 3rd accu-

mulator piston, and the

Page 736 of 1503

ACURA NSX 1997  Service Repair Manual 
Lock-up Valve Body

The lock-up valve body is mounted on the regulator valve body with the lock-up shift valve and the lock-up timing B valve

built in.

The capacity of the lock-up clutch is control

Page 737 of 1503

ACURA NSX 1997  Service Repair Manual 
Hydraulic Flow
Description

General Chart of Hydraulic Pressure

Distribution of Hydraulic PressureProCarManuals.com

Page 738 of 1503

ACURA NSX 1997  Service Repair Manual 
position

As the engine turns, the ATF pump also starts to operate. The ATF is drawn from (99) and discharged into (1). Then, ATF

flowing from the ATF pump becomes the line pressure (1). The line pr

Page 739 of 1503

ACURA NSX 1997  Service Repair Manual 
Position

Line pressure (1) becomes line pressure (4), (18), and (25) as it passes through the manual valve. Also, line pressure (1)

goes to the modulator valve through the filter and becomes modula

Page 740 of 1503

ACURA NSX 1997  Service Repair Manual 
Position

Line pressure (1) becomes the line pressure (4), (25) as it passes through the manual valve.

Line pressure (1) goes to the modulator valve and becomes the modulator pressure (6). The modul
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