1995 ACURA TL Service Repair Manual

Position

The power flow when decelerating is as follows:

1. Rolling resistance from the road surface goes through the front wheels to the secondary drive gear, then to the counter-

shaft 1st gear via the 1st-hold clutch which is applied during deceleration.

2. The 1st gear one-way clutch disengages at this time because the application of torque is reversed.

3. The counterforce conveyed to the countershaft 1st gear turns the mainshaft 1st gear. At this time, since hydraulic pres-

sure is also applied to the 1st clutch, counterforce is also transmitted to the mainshaft. As a result, engine braking can

be obtained with 1st gear.

TORQUE CONVERTER

MAINSHAFT 1ST GEAR

MAINSHAFT

SECONDARY

DRIVER GEAR
COUNTERSHAFT

COUNTERSHAFT

1ST GEAR

SECONDARY DRIVEN GEAR

(cont'd)
1ST CLUTCH

1ST-HOLD

CLUTCHProCarManuals.com

Description

Power Flow (cont'd)

Position

Position is provided to drive only in 2nd gear.

position, hydraulic pressure is applied to the 2nd clutch and to the 1st-hold clutch.

The power flow when accelerating is as follows:

1. The hydraulic pressure is applied to the 2nd clutch on the mainshaft, and power is transmitted via the 2nd clutch to the

mainshaft 2nd gear.

2. Power transmitted to the mainshaft 2nd gear is conveyed via the countershaft 2nd gear to the 2nd gear one-way clutch

on the inside of the countershaft 2nd gear. The 2nd gear one-way clutch is used to drive the parking gear on the counter-

shaft.

3. Power is transmitted to the secondary drive gear, which drives the secondary driven gear.

Hydraulic pressure is applied to the 1st-hold clutch, but the countershaft is rotated by the 2nd gear one-way clutch.

TORQUE CONVERTER

MAINSHAFT

2ND GEAR

SECONDARY

DRIVE GEAR
2ND CLUTCH

MAINSHAFT

COUNTERSHAFT

2ND GEAR

ONE-WAY CLUTCH

COUNTERSHAFT

2ND GEAR

SECONDARY DRIVEN GEAR
In

PARKING GEARProCarManuals.com

Position

The power flow when decelerating is as follows:

1. Rolling resistance from the road surface goes through the front wheels to the secondary drive gear, then to the counter-

shaft 1st gear via the 1st-hold clutch which is applied during deceleration.

2. Power transmitted to the countershaft 1st gear is conveyed via the 1st gear one-way clutch on the inside of the counter-

shaft 1st gear to the countershaft 2nd gear. The 1st gear one-way clutch is used to drive the countershaft 2nd gear.

3. The 2nd gear one-way clutch disengages at this time because the application of torque is reversed.

4. The counter-force conveyed to the countershaft 1st gear turns the mainshaft 2nd gear. At this time, since hydraulic pres-

sure is applied to the 2nd clutch, counterforce is transmitted to the mainshaft. As a result, engine braking can be

obtained with 2nd gear.

TORQUE CONVERTER

MAINSHAFT

2ND GEAR
2ND CLUTCH

MAINSHAFT

COUNTERSHAFT
SECONDARY

DRIVE GEAR

1ST-HOLD

CLUTCH

COUNTERSHAFT

1ST GEAR
1ST GEAR

ONE-WAY CLUTCH
COUNTERSHAFT

2ND GEARProCarManuals.com

Description

Power Flow (cont'd)

1. The hydraulic pressure is applied to the 1st clutch, which rotates together with the mainshaft, and the mainshaft 1st

gear rotates.

2. Power is transmitted to the countershaft 1st gear, which drives the countershaft via the one-way clutches.

3. Power is transmitted to the secondary drive gear, which drives the secondary driven gear.
Position, 1st gear
position, the optimum gear is automatically selected from 1st, 2nd, 3rd, and 4th gears, according to conditions

balance between throttle opening (engine load) and vehicle speed.

or
such as the
or
In

TORQUE CONVERTER

SECONDARY

DRIVE GEAR

SECONDARY DRIVEN

GEAR
COUNTERSHAFT

1ST GEAR

1ST GEAR

ONE-WAY

CLUTCH
2ND GEAR

ONE-WAY CLUTCH
PARKING GEAR
COUNTERSHAFT
MAINSHAFT
1ST CLUTCH
MAINSHAFT

1ST GEAR
NOTE: In
position, hydraulic pressure is not applied to the 1st-hold clutch.
orProCarManuals.com

1. The hydraulic pressure is applied to the 2nd clutch, which rotates together with the mainshaft, and the mainshaft 2nd

gear rotates.

2. Power is transmitted to the countershaft 2nd gear, which drives the countershaft via the 2nd gear one-way clutch.

3. Power is transmitted to the secondary drive gear, which drives the secondary driven gear.
or

Position, 2nd gear

NOTE: In
or

position, 2nd gear, hydraulic pressure is also applied to the 1st clutch, but since the rotation speed

of 2nd gear exceeds that of 1st gear, power from 1st gear is cut off at the 1st gear one-way clutch.

TORQUE CONVERTER

MAINSHAFT

2ND GEAR

2ND CLUTCH

MAINSHAFT

1ST GEAR

ONE-WAY

CLUTCH

COUNTERSHAFT

2ND GEAR
2ND GEAR

ONE-WAY CLUTCH
PARKING GEAR
COUNTERSHAFT

SECONDARY DRIVEN GEAR
SECONDARY

DRIVE GEARProCarManuals.com

Description
Power Flo w (cont'd )
1. Th e hydrauli c pressur e i s applie d t o th e 3r d clutch . Powe r fro m mainshaf t 3rd gea r i s transmitte d t o th e countershaf t
3r d gear .
2 . Powe r i s transmitte d t o th e secondar y driv e gear , whic h drive s th e secondar y drive n gear .
NOTE : I n
or position , 3r d gear , hydrauli c pressur e i s als o applie d t o th e 1s t clutc h an d t o th e 2n d clutch , bu t
sinc e th e rotatio n spee d o f 3r d gea r exceed s tha t o f 2n d gear , powe r fro m 2n d gea r i s cu t of f a t th e 2n d gea r one-wa y
clutch .Position
, 3r d gea r
or
TORQU E CONVERTE R
MAINSHAFT 3R D GEA R
1S T CLUTC H
2ND CLUTC H
MAINSHAF T
SECONDAR Y
DRIV E GEA R
3RD CLUTC H
COUNTERSHAF T
3R D GEA R
COUNTERSHAF T2ND GEA R
COUNTERSHAF T
2ND GEA R
ONE-WA Y CLUTC H
SECONDAR Y DRIVE N GEA R
ProCarManuals.com

Position, 4th gear

1. The hydraulic pressure is applied to the 4th clutch, which rotates together with the mainshaft, and the mainshaft 4th

gear rotates.

2. Power is transmitted to the countershaft 4th gear, which drives the countershaft.

3. Power is transmitted to the secondary drive gear, which drives the secondary driven gear.

NOTE: In

position, 4th gear, hydraulic pressure is also applied to the 1st clutch and to the 2nd clutch, but since the

rotation speed of 4th gear exceeds that of 2nd gear, power from 2nd gear is cut off at the 2nd gear one-way clutch.

MAINSHAFT

2ND GEAR

2ND CLUTCH

MAINSHAFT
TORQUE CONVERTER

MAINSHAFT

4TH GEAR

1ST CLUTCH
4TH CLUTCH

COUNTERSHAFT

4TH GEAR

COUNTERSHAFT

2ND GEAR
2ND GEAR

ONE-WAY CLUTCH
COUNTERSHAFT
SECONDARY

DRIVE GEAR

SECONDARY DRIVEN GEAR

(cont'd)ProCarManuals.com

Description

Power Flow (cont'd)

Position

1. The hydraulic pressure is applied to the reverse clutch. Power is transmitted from the mainshaft reverse gear via the

reverse idler gear to the countershaft reverse gear.

2. The rotation direction of the countershaft reverse gear is changed via the reverse idler gear in the rear cover.

3. Power is transmitted to the secondary drive gear, which drives the secondary driven gear.

REVERSE IDLER

GEAR

TORQUE CONVERTER
MAINSHAFT REVERSE

GEAR

COUNTERSHAFT

REVERSE GEAR

MAINSHAFT

REVERSE GEAR

REVERSE

IDLER GEAR

MAINSHAFT

COUNTERSHAFT

COUNTERSHAFT

REVERSE GEAR

REVERSE CLUTCH

SECONDARY DRIVEN GEAR
SECONDARY

DRIVE GEARProCarManuals.com