CAUTION DO NOT allow valve body plate to separate from upper valve body during removal or check balls and strainer may fall out
Inspection
1. Clean all parts in solvent. Dry with compressed air. Ensure all valve body passages are clear. Ensure strainers are not damaged or clogged. Inspect valves for scoring or roughness.
2. Ensure valves slide freely in bores. Inspect valve springs for damage, squareness and collapsed coils. Measure spring free length. Replace spring if not within specification. See appropriate VALVE BODY SPRING SPECIFICATIONS table. Ensure valve body springs correspond with appropriate valve. Ensure
2001-05 AUTOMATIC TRANSMISSIONS Sequoia 2001 Repair" href="/sequoia-2001-repair/nd-brake-clutch-pack-clearance-specifications.html">A340E & A340F Overhaul
- retainers are installed in correct locations.
Fig. 51: Exploded View Of A340 Series Upper Valve Body (Except Sequoia & Tundra V8) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 51: Exploded View Of A340 Series Upper Valve Body (Except Sequoia & Tundra V8) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
- Fig. 52: Exploded View Of A340 Series Upper Valve Body (Sequoia) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
- Fig. 53: Exploded View Of A340 Series Upper Valve Body (Tundra V8) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
- Fig. 54: Exploded View Of A340 Series Lower Valve Body (Except Sequoia & Tundra V8) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
- Fig. 55: Exploded View Of A340 Series Lower Valve Body (Sequoia) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
- Fig. 56: Exploded View Of A340 Series Lower Valve Body (Tundra V8) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
UPPER VALVE BODY SPRING SPECIFICATIONS (A340 SERIES - EXCEPT SEQUOIA & TUNDRA
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
|
Spring (1) |
Free Length - In. (mm) |
Diameter - In. (mm) |
Color |
|
1 |
1.075 (27.30) |
.343 (8.70) |
Yellow |
|
2 |
.811 (20.60) |
.362 (9.20) |
Blue |
|
2 (Optional) |
.917 (23.30) |
.362 (9.20) |
(2) White |
|
3 |
1.213 (30.80) |
.382 (9.70) |
Purple |
|
4 |
.996 (25.30) |
.339 (8.60) |
Orange |
|
5 |
.843 (21.40) |
.217 (5.50) |
Light Gray |
|
6 |
1.217 (30.90) |
.441 (11.20) |
Blue |
|
7 |
.858 (21.80) |
.236 (6.00) |
Red |
|
8 |
1.213 (30.80) |
.382 (9.70) |
Blue |
|
9 |
1.197 (30.40) |
.327 (8.30) |
Yellow |
|
(1) For spring locations, refer to illustration. See Fig. 51. | |||
|
(2) Yellow spring on Tundra V6. | |||
UPPER VALVE BODY SPRING SPECIFICATIONS (A340 SERIES - SEQUOIA)
|
Spring (1) |
Free Length - In. (mm) |
Diameter - In. (mm) |
Color |
|
1 |
.922 (23.42) |
.183 (4.66) |
None |
|
2 |
1.294 (32.88) |
.323 (8.20) |
Purple |
|
3 |
1.211 (30.77) |
.382 (9.70) |
Purple |
|
4 |
1.211 (30.77) |
.382 (9.70) |
Purple |
|
5 |
.967 (24.55) |
.328 (8.32) |
Blue |
|
6 |
1.008 (25.60) |
.339 (8.60) |
None |
|
(1) For spring locations, refer to illustration. See Fig. 52. | |||
UPPER VALVE BODY SPRING SPECIFICATIONS (A340 SERIES - TUNDRA V8)
|
Spring (1) |
Free Length - In. (mm) |
Diameter - In. (mm) |
Color |
|
1 |
.922 (23.42) |
.183 (4.66) |
None |
|
2 |
1.294 (32.88) |
.323 (8.20) |
Purple |
|
3 |
1.211 (30.77) |
.382 (9.70) |
Purple |
|
4 |
1.211 (30.77) |
.382 (9.70) |
Purple |
|
5 |
.967 (24.55) |
.328 (8.32) |
Blue |
|
6 |
1.041 (26.43) |
.325 (8.26) |
Yellow |
|
(1) For spring locations, refer to illustration. See Fig. 53. | |||
LOWER VALVE BODY SPRING SPECIFICATIONS (A340 SERIES - EXCEPT SEQUOIA & TUNDRA V8)
|
Spring (1) |
Free Length - In. (mm) |
Diameter - In. (mm) |
Color |
|
1 |
.796 (20.20) |
.476 (12.10) |
None |
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
|
2 |
.441 (11.2G) |
.252 (6.4G) |
None |
|
3 |
1.213 (3G.BG) |
.382 (9.7G) |
Purple |
|
4 |
2.453 (62.3G) |
.732 (1B.6G) |
Purple |
|
5 |
1.335 (33.9G) |
.346 (B.BG) |
Pink |
|
(1) For spring locations, refer to illustration. See Fig. 54. | |||
|
LOWER VALVE B< |
ODY SPRING SPECIFICATIONS (A340 SERIES - SEQUOIA) | ||
|
Spring (1) |
Free Length - In. (mm) |
Diameter - In. (mm) |
Color |
|
1 |
1.519 (38.58) |
.665 (16.88) |
White |
|
2 |
1.337 (33.95) |
.323 (B.2G) |
None |
|
3 |
1.047 (26.60) |
.232 (5.89) |
Light Blue |
|
4 |
1.331 (33.81) |
.382 (9.7G) |
None |
|
5 |
1.211 (30.77) |
.382 (9.7G) |
Purple |
|
6 |
.805 (20.45) |
.236 (6.6G) |
White |
|
7 |
1.197 (30.42) |
.325 (8.26) |
Light Green |
|
(1) For spring locations, refer to illustration. See Fig. 55. | |||
|
LOWER VALVE B |
ODY SPRING SPECIFICATIONS (A340 SERIES - TUNDRA V8) | ||
|
Spring (1) |
Free Length - In. (mm) |
Diameter - In. (mm) |
Color |
|
1 |
1.519 (38.58) |
.665 (16.88) |
White |
|
2 |
1.337 (33.95) |
.323 (8.2G) |
None |
|
3 |
1.047 (26.60) |
.232 (5.89) |
Light Blue |
|
4 |
1.331 (33.81) |
.382 (9.7G) |
None |
|
5 |
1.211 (30.77) |
.382 (9.7G) |
Purple |
|
6 |
.805 (20.45) |
.236 (6.6G) |
White |
|
(1) For spring locations, refer to illustration. See Fig. 56. | |||
Reassembly
1. Coat all components with ATF. To reassemble, reverse disassembly procedure. Ensure check balls in upper and lower valve bodies are installed in correct locations. See Fig. 57-Fig. 61 .
2. Position NEW No. 1 gasket, plate and NEW No. 2 gasket on upper valve body. Install spring and check valve. See Fig. 62. Ensure oil strainers are installed on No. 2 plate. See Fig. 63. Place lower valve body on upper valve body with plate and gaskets. DO NOT let components separate. Align each bolt hole in valve bodies with gaskets and plate.
3. Install and finger tighten bolts in upper valve body. Ensure proper bolt length is used. See Fig. 64 or Fig. 65 . Tighten bolts to 56 INCH lbs. (6.4 N.m). Install oil strainer, pressure relief valve and solenoids (as applicable). Install manual valve and detent spring. Tighten bolts to 89 INCH lbs. (10 N.m). Ensure manual valve moves freely.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
|
Mark |
Check ball |
Diameter |
|
A |
Rubber ball |
6.35 mm [0.2500 in.) |
|
ß |
Rubber ball |
5.54 mm (0.2181 in.) |
<500079126
<500079126
- Fig. 57: Identifying Upper Valve Body Check Ball Locations (Sequoia) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
G95G20376
G95G20376
Fig. 58: Identifying Upper Valve Body Check Ball Locations (Tacoma, Tundra V6 & 4Runner A340E) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
- Fig. 59: Identifying Upper Valve Body Check Ball Locations (Tacoma, Tundra V6 & 4Runner A340F) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul
Fig. 60: Identifying Upper Valve Body Check Ball Locations (Tundra V8) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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