Tempo L4-140 2.3L HSC (1986)
Valve Body: All Technical Service Bulletins
A/T - Shudder/Boom In Third Gear
TRANSAXLE - ATX - LOW SPEED SHUDDER AND BOOM IN THIRD GEAR
Article No. 88-11-5
FORD:
1986 TEMPO
LINCOLN-MERCURY: 1986 TOPAZ
ISSUE:
A low speed shudder and boom while driving in third gear may be caused by shift point variances in the 2-3 upshift and 3-2 downshift
pattern.
ACTION:
To correct this, install a new design main control service kit that revises the part throttle 2-3 upshift and 3-2 downshift pattern. Refer to the
following service procedure.
1.
Obtain main control service kit, (E6FZ-7A230-A).
FIGURE 5
2.
Replace the 3-2 control valve bore plug and retainer with a 3-2 downshift valve, spring and flat plate retainer. Refer to Steps 1 and 2 of Figure 5
and Section 17-25 of the 1986 Car Shop Manual, Volume E.
3.
Replace the 2-3 spring with a two-spring "Nested" assembly from the kit. Refer to Step 3 of Figure 5.
PART NUMBER
PART NAME
CLASS
E6FZ-7A230-A
Main Control Service Kit
C
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty and Powertrain Coverages
OPERATION: 881105A
TIME:
2.0 Hrs.
DLR. CODING:
Basic Part No. 7A100
Condition Code: 09
