7.4 (454) Rear Main Seal

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by corvetteman, May 1, 2012.

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  1. corvetteman

    corvetteman New Member

    Can somone tell me if it is neccesary to drop the oil pan to replace the ream main seal in a 92 Suburban with the 7.4 (454) engine? Thanks

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