Engagement Concern: No Reverse

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

ENGAGEMENT CONCERN - NO REVERSE

Possible Component	Reference/Action
202 - ELECTRICAL ROUTINE
No Electrical Concerns
302 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Incorrect level	Adjust fluid to correct level.
Condition	Inspect condition of fluid.
Shift Linkage
Damaged or incorrectly adjusted	Inspect and repair as required. Verify transmission shift cable adjustment; refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . Adjust transmission shift cable as necessary. After repairing transmission shift cable, verify that the digital TR sensor is correctly adjusted. Adjust the digital TR sensor as necessary.
Incorrect Pressures
Low reverse clutch pressure, low reverse band pressure, low line pressure	Check pressure at line pressure tap; refer to LINE PRESSURE CHART for specifications. If pressures are low, check the following components: oil filter and seal assembly, main controls, reverse servo, pump assembly, reverse clutch assembly.
Fluid Filter and Seal Assembly
Plugged, damaged	Install a new filter and seal assembly.
Main Controls
No. 6 shuttle ball, manual valve, main regulator valve, 1-2 accumulator seals stuck or damaged	Inspect for damage. Repair as required.
Loose bolts	Tighten bolts to specifications.
Gasket damaged	Inspect for damage and install a new gasket.
Low/Reverse Servo
Seals (piston and cover) damaged Servo cover retaining ring damaged Anchor pins (case) damaged	Inspect for damage. Repair as required.
Pump Assembly
Loose bolts	Tighten bolts to specifications.
Porosity/cross leaks/ball missing or leaking, plugged hole	Inspect pump assembly. Install new as required.
Gasket damaged	Inspect for damage and install a new gasket.
No. 1 and 2 seal rings damaged	Inspect for damage. Repair as required.
Reverse Clutch Assembly
Seals, piston damaged Check ball missing or damaged Friction elements damaged or worn	Inspect for damage. Repair as required.
Low/Reverse Band
Band, servo, anchor pins damaged or worn	Inspect for damage. Repair as required.