Trooper II L4-2559cc 2.6L SOHC (4ZE1) (1989)
Turbine Shaft: All Technical Service Bulletins
A/T - (4L30E) Delayed Gear Engagement
BULLETIN NUMBER:
SB96-05-L002
ISSUE DATE:
JULY 1996
GROUP:
TRANSMISSION
TROOPER (UX) AND RODEO (UC) 4L30-E AUTOMATIC TRANSMISSION
DELAYED GEAR ENGAGEMENT
AFFECTED VEHICLES
All Trooper (UX) and Rodeo (UC) models equipped with 4L30-E automatic transmission.
SERVICE INFORMATION
Some affected vehicles may experience a noticeable delay from the time that gear selection is made to the time that gear engagement occurs. This usually
occurs after the vehicle has been parked for an extended period of time (e.g., overnight) and only on the initial gear engagement when shifting into drive
or reverse. This delay may be caused by torque converter draindown.
This condition does not affect transmission operation, once the torque converter refills, and is not harmful to the transmission. However, if it is necessary
to eliminate this condition, replace the scarf cut seal ring located on the first groove of the turbine shaft with a solid seal ring, using a Turbine Shaft Seal
Kit (Part No. 8-96041-327-0), in accordance with the procedure in this Service Bulletin.
NOTE
A short delay (i.e., 3 seconds or less) is normal when first engaging drive or reverse after allowing the vehicle to sit overnight.
SERVICE PROCEDURE
DISASSEMBLY
Transmission Assembly
^
Disassemble in accordance with Section 7A of appropriate Workshop Manual, to allow access to turbine shaft seal rings.
REMOVAL
Scarf Cut Seal Ring