Van Wagon 2WD L4-2237cc 2.2L (4Y-EC) (1987)
Torque Converter: Technical Service Bulletins
A/T - A42DL, A44DL Lock-Up Torque Converter Performance
TRANSMISSION
REFERENCE AND CLUTCH NUMBER 004 DATE 07-17-87 MODEL AE86, YR2#
TITLE A42DL, A44DL LOCK-UP TORQUE CONVERTER PERFORMANCE
To improve engagement/disengagement performance of the lock-up torque converter, the following production changes have been made.
1.
The No. 3 check ball and compression spring, as previously described. for this condition (See TSB Vol. VIII, Transmission and Clutch, 007, 007
Supplement and 008 Revised) has now been discontinued.
2.
These functional components (check ball, compression spring, and relief hole) have now been incorporated into both the primary and secondary
regulator valves.