A/T - Improved 1-2 Shift

91toyota03

REF.: TRANSMISSION & CLUTCH


NO.: TM91-016


DATE: MAY 24, 1991


MODEL: SV W/ A140E/L


IMPROVED 1 - 2 SHIFT A140E/L


The information contained in this TSB supersedes Volume 10, Transmission & Clutch # 045.


To improve the shift feel from first to second gear on the A140E/L A/TM, the following modifications have been made:

^ B2 Accumulator Piston Spring: Reduce length and increase width.
^ B2 Accumulator Piston: Modified to accommodate an additional spring.
^ Valve Body Plate: B2 orifice has been reduced from 1.3 mm to 1.2 mm.
^ Modified Accumulator Cover
^ Modified B2 Accumulator Tube

VEHICLE INFORMATION:

Starting VIN: A/TM Type: P/D A/TM Serial No.

JT2SV2 # * L0365047 7/90 A140E/L 0F07889 (A140L)
JT2SV2 # * L3427484 7/90 A140E/L 00618050 (A140L)
0F07898 (A140E)
00618049 (A140E)

PART NUMBER INFORMATION:

Prev. Part No. New Part No. Part Name
90501-26014 * 90501-24016 Spring, Compression for B2
Accumulator Piston

35423-32010 * 35403-20010 Piston, B2 Accumulator
35432-20091 * 35432-32080 Plate, Valve Body (A140E)
35432-20081 * 35432-20210 Plate, Valve Body (A140L)
35474-32020 * 35474-20010 Cover, Accumulator
35474-32010
35846-32012 * 35846-20010 Tube, Brake Accumulator
(for B2 Accumulator) A140E
35846-32022 * 35846-20010 Tube, Brake Accumulator **
(for B2 Accumulator) A140L

* Interchangeable as a set.
** Parts are required on assemblies produced before August 22, 1989, A/TM Serial No. 9H05344 or 90814147.





ILLUSTRATIONS:

1. Spring, Compression for B2 Accumulator Piston (A140E/L)





2. Piston, B2 Accumulator (A140E/L)





3. Plate, Valve Body

Note: The diameter of the 2nd brake ofifice has been changed from 1.3 mm to 1.2 mm.





Note: The diameter of 2nd brake ofifice has been changed from 1.3 mm to 1.2 mm.