Shift Concerns: No 2-3 Shift (Automatic)

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SHIFT CONCERNS: NO 2-3 SHIFT (AUTOMATIC)

Possible Component	Reference/Action
221 - ELECTRICAL ROUTINE
Powertrain Control System	-
Electrical inputs/outputs, vehicle wiring harnesses, powertrain control module, shift solenoids, transmission range (TR) sensor	Run On-Board Diagnostics Tests. Refer to INTRODUCTION - GASOLINE . GO to PINPOINT TEST A and GO to PINPOINT TEST D .
321 - HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures	-
Line pressure	Check pressure at line pressure tap. Carry out Line Pressure Tests. Refer to SPECIAL TESTING PROCEDURES . If not OK, check the following components: main control.
Main Control	-
Bolts out of torque specification	Adjust bolts to specification.
Gasket leaks	Inspect for damage. Repair as necessary.
2-3 shift valve (also no 4th), main regulator valve stuck, damaged, misassembled	Inspect for damage. Repair as necessary.
SSB not functioning correctly (also no 4th)	Inspect for damage. Activate solenoid using Transmission Tester.
Separator plates damaged	Inspect for damage. Repair as necessary.
Pressure tap plate/gasket leaks	Inspect for damage. Repair as necessary.
Hydraulic passages damaged	Inspect for damage. Repair as necessary.
Pump Assembly	-
Bolts out of torque specification	Adjust bolts to specification.
Gaskets damaged	Inspect for damage. Repair as necessary.
Porosity/cross leaks	Inspect for damage. Repair as necessary.
Pump support seal rings, No. 4 or No. 5, damaged	Inspect for damage. Repair as necessary.
Direct Clutch Assembly	-
Seals or piston damaged	Carry out Air Pressure Tests.
Piston bore damaged	Inspect for damage. Repair as necessary.
Friction severely damaged, worn	Inspect for damage. Repair as necessary.
Ball check not seating correctly	Inspect for damage. Repair as necessary.
Return spring assembly	Inspect for damage. Repair as necessary.
Cylinder bore/splines damaged	Inspect for damage. Repair as necessary.
Shell/hub damaged	Inspect for damage. Repair as necessary.
Intermediate/Overdrive Servo	-
Piston or piston bore damaged	Inspect for damage. Repair as necessary.
Rod bore or rod damaged, leaking	Inspect for damage. Repair as necessary.
Case	-
Leakage in the servo apply, servo release or direct clutch circuits	Inspect case for damage. Repair or install new as necessary. Carry out Air Pressure Tests. Refer to SPECIAL TESTING PROCEDURES .