Brakes - Auto-Release Park Brake Hard to Set
TSB 05-26-512/31/05
AUTO RELEASE PARKING BRAKE SYSTEM
DIFFICULT TO SET
FORD:
2005 Crown Victoria
LINCOLN:
2005 Town Car
MERCURY:
2005 Grand Marquis
ISSUE
Some 2005 Crown Victoria, Grand Marquis and Town Car vehicles built before 05/1/2005 equipped with an Auto Release Parking Brake system may exhibit a difficulty to set condition when in Park.
ACTION
Verify the pedal is difficult to set and replace the Park Brake Switch following the Service Procedure.
SERVICE PROCEDURE
1. Depress the parking brake pedal with the engine running and the transmission in Park.
2. If the pedal will not set, disconnect the vacuum hose at the vacuum brake release control motor and repeat test.
3. If the pedal stays depressed with the vacuum hose disconnected, replace the Park Brake Switch (2B623) located on the steering column, reconnect all vacuum hoses and retest.
NOTE
REFER TO THE OWNER GUIDE FOR A DESCRIPTION OF THE OPERATION OF THE AUTO RELEASE SYSTEM, AND TO SECTION 206-05 OF THE WORKSHOP MANUAL FOR FURTHER PARKING BRAKE SYSTEM DIAGNOSTICS, IF REQUIRED.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
OPERATION DESCRIPTION TIME
052605A 2005 Crown Victoria, 0.5 Hr.
Grand Marquis, Town Car:
Replace The Vacuum
Release Switch, Includes
Time To Perform The
Diagnosis In The Service
Procedure
DEALER CODING
CONDITION
BASIC PART NO. CODE
2B623 42
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