Harmonic balancer seal leaking for 2nd time in two months on 2005 Chevrolet Silverado 1500

Had harmonic balancer seal replaced on this truck b/4 we bought it two months ago. Leaking again. What questions do we need to ask? Is this a small issue that is part of a bigger issue? Thanks. Judy

by in Pearl City, IL on June 23, 2011
2 answers
ANSWER by on June 24, 2011
May have been installed wrong and is now leaking. The balancer may have had a groove worn on the shaft from old seal that is allowing a leak. This could have been repaired by installing a seal saver when original work was done. Etc.
ANSWER by on July 29, 2011
where the seal meets the balancer shaft is worn needs a shaft repair sleve

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