Home Auto Repair 2004-2005 Ford Thunderbird DELAYED OR HARSH REVERSE ENGAGEMENTS— 5R55S TRANSMISSION

2004-2005 Ford Thunderbird DELAYED OR HARSH REVERSE ENGAGEMENTS— 5R55S TRANSMISSION

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Download FORD: 2004-2005 Thunderbird, Explorer LINCOLN: 2004-2005 LS, Aviator MERCURY: 2004-2005 Mountaineer This article supersedes TSB 05-15-4 to correct the Service Procedure. ISSUE Some 2004-2005 vehicles built prior to 09/23/2004 and equipped with the 5R55S transmission, may exhibit a delayed or harsh reverse engagement. This condition may be due to improper pressure control. ACTION It may be necessary to replace the solenoid body assembly. Refer to the following Service Procedure. SERVICE PROCEDURE NOTE INSTALLING TRANSMISSION ADDITIVE WILL PREVENT THE SYMPTOM ON SOLENOIDS THAT DO NOT YET EXHIBIT THE CONDITION BUT WILL NOT RESOLVE THE CONDITION IF IT ALREADY EXISTS. LINCOLN LS AND THUNDERBIRD ONLY 1. Lower the transmission cross member and transmission to gain access to the pressure control solenoid-C (PCC) port. DO NOT disconnect the drive shaft.