A/T - E40D Front Seal Blow Out
TECHNICAL BULLETIN # 142TRANSMISSION: E4OD
SUBJECT: FRONT SEAL BLOW-OUT
APPLICATION: FORD
DATE: Oct 1992
E4OD Front Seal Blow-Out
Front seal blow-out on an E4OD may be caused by using a C-6 front seal instead of a genuine E4OD front seal. The E4OD seal has a different profile which results in more contact area to hold the seal in the bore, and the lip is positioned differently within the seal itself.