A/T - 4EAT Harsh Upshifts and Slips During Upshifts
91ford15
Article No.
91-7-9
04/05/91
^ TRANSMISSION - 4EAT - HARSH UPSHIFTS - INCORRECT LINE PRESSURE
^ TRANSMISSION - 4EAT - SLIPS DURING UPSHIFTS - INCORRECT LINE PRESSURE
FORD: 1991 ESCORT
LINCOLN-MERCURY: 1991 TRACER
ISSUE: Incorrect or unadjustable line pressure after installing a valve body into the 4EAT transmission may be caused by a TV cable that is not engaged in the valve body throttle cam.
ACTION: Make sure the TV cable is engaged in the valve body throttle cam. Refer to the following procedures for service details.
Figure 1:
1. Remove the top bolt from the transmission case, Figure 1.
Figure 2:
Figure 3:
2. Install pin into hole on throttle cam, Figure 2 and 3.
Figure 4:
3. After the valve body is installed, remove pin and install bolt, Figure 4. Refer to the 1991 Escort/Tracer Shop Manual for valve body service details.
NOTE: WHEN INSTALLING THE BOLT, IT IS NECESSARY TO APPLY SEALANT TO PREVENT OIL LEAKAGE.
4. Line pressure must still be set by the throttle cable, using a gauge on the line pressure port.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 501000, 502000, 503300