crankshaft seal keeps breaking on 2004 Hyundai Elantra

front crankshaft seal blew out of nowhere. they put a new one in and that one blew immediately. what could be causing this?

by in Durham, NC on November 17, 2009
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2 answers
ANSWER by , November 17, 2009
Customer Concern: Front crank seal repeat failures, pushing out. Tests/Procedures: 1. Check crank case pressure (blow by) at wide open throttle. 2. Check and clean the drain hole in the oil pump housing at about the 6 o'clock position just behind the seal. Potential Causes: Excessive Blow-By Restricted Seal Drain
ANSWER by , November 17, 2009
Excellent information autoknowhow! I'm assuming this is a technical service bulletin? Can you please post the TSB# if it is indeed a bulletin? thanks!