LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Service Specifications >> Service Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Service Data

A/T COMPONENTS SERVICE SPECIFICATIONS (3UZ-FE)

3UZ-FE
Line pressure (Wheel locked)  
Idling
D position 395 - 455 kPa (4.0 - 4.6 kgf.cm2 , 57 - 65 psi)
R position 0
Stall
D position 1,200 - 1,360 kPa (12.2 - 13.8 kgf.cm2 , 174 - 196 psi)
R position 1,655 - 1,960 kPa (16.9 - 19.8 kgf.cm2 , 240 - 282 psi)
Engine stall revolution (D position) 2,450 +/- 150 rpm
Time lag N --> D position Less than 1.2 seconds
N --> R position Less than 1.5 seconds
Engine idle speed (N position and A/C OFF) 750 +/- 50 rpm
Drive plate runout Max. 0.20 mm (0.0079 in.)
Torque converter clutch sleeve runout Max. 0.30 mm (0.0118 in.)
Torque converter clutch installation (Correct distance) More than 0.1 mm (0.004 in.)
Extension housing oil seal drive in depth from flat end 2.0 mm (0.079 in.)
 
Shift schedule (NORM and PWR mode)
Differential gear ratio 3.266
D, 4 position
(Throttle valve fully opened) 1 --> 2 61 - 72 km/h (38 - 45 mph)
2 --> 3 93 - 105km/h(58 - 65mph)
3 --> 4 144 - 162 km/h (89 - 100 mph)
4 --> 5 211 - 231 km/h (131 - 143 mph)
5 --> 4 204 - 220 km/h (126 - 136 mph)
4 --> 3 136 - 149 km/h (84 - 92 mph)
3 --> 2 80 - 88 km/h (50 - 55 mph)
2 --> 1 42 - 48 km/h (26 - 30 mph)
(Throttle valve fully closed) 4 --> 5 34 - 40 km/h (21 - 25 mph)
5 --> 4 25 - 30 km/h (16 - 19 mph)
 
3 position
(Throttle valve fully opened) 1 --> 2 61 - 72 km/h (38 - 45 mph)
2 --> 3 93 - 105 km/h (58 - 65 mph)
4 --> 3 153 - 168 km/h (95 - 104 mph)
3 --> 2 80 - 88 km/h (50 - 55 mph)
2 --> 1 42 - 48 km/h (26 - 30 mph)
 
2 position
(Throttle valve fully opened) 1 --> 2 61 - 72 km/h (38 - 45 mph)
3 --> 2 100 - 108 km/h (62 - 67 mph)
2 --> 1 42 - 48 km/h (26 - 30 mph)
 
L position
(Throttle valve fully opened) 2 --> 1 39 - 45 km/h (24 - 28 mph)
 
Shift schedule (SNOW mode)
Differential gear ratio 3.266
D, 4 position
(Throttle valve fully opened) 1 --> 2 36 - 54 km/h (22 - 33 mph)
2 --> 3 58 - 81 km/h (36 - 50 mph)
3 --> 4 87 - 115 km/h (54 - 71 mph)
4 --> 5 136 - 182 km/h (84 - 113 mph)
5 --> 4 84 - 114 km/h (52 - 71 mph)
4 --> 3 56 - 78 km/h (35 - 48 mph)
3 --> 2 5 - 44 km/h (3 - 27 mph)
2 --> 1 5 - 10 km/h (3 - 6 mph)
(Throttle valve fully closed) 4 --> 5 34 - 40 km/h (21 - 25 mph)
5 --> 4 25 - 30 km/h (16 - 19 mph)
 
3 position
(Throttle valve fully opened) 1 --> 2 36 - 54 km/h (22 - 33 mph)
2 --> 3 58 - 81 km/h (36 - 50 mph)
4 --> 3 153 - 168 km/h (95 - 104 mph)
3 --> 2 5 - 44 km/h (3 - 27 mph)
 
2 position
(Throttle valve fully opened) 1 --> 2 36 - 54 km/h (22 - 33 mph)
3 --> 2 100 - 108 km/h (62 - 67 mph)
 
L position
(Throttle valve fully opened) 2 --> 1 39 - 45 km/h (24 - 28 mph)
 
Lock-up point (Differential gear ratio 3.266)
(Throttle valve opening 5 %)
5th gear (D position) Lock-up ON 59 - 66 km/h (37 - 41 mph)
Lock-up OFF 55 - 62 km/h (34 - 38 mph)
4th gear (4 position) Lock-up ON 139 - 153 km/h (86 - 95 mph)
Lock-up OFF 132 - 145 km/h (82 - 90 mph)
 
Flex lock-up point (Differential gear ratio 3.266)
(Throttle valve opening 3 %)
D position (When accelerating)
5th gear Lock-up ON 47 - 53 km/h (29 - 33 mph)
Lock-up OFF 45 - 52 km/h (28 - 32 mph)
4th gear Lock-up ON 35 - 41 km/h (22 - 25 mph)
Lock-up OFF 34 - 40 km/h (21 - 25 mph)
3rd gear Lock-up ON 25 - 30 km/h (16 - 19 mph)
Lock-up OFF 23 - 28 km/h (14 - 17 mph)