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Mercury MerCruiser MCM 7.4L MPI User Manual

Mercury MerCruiser MCM 7.4L MPI
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454 CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
Page 3A-55
90-861326--1 MARCH 1999
Front Cover / Oil Seal
Oil Seal Replacement (Without Removing Front Cover)
REMOVAL
1. Remove torsional damper.
2. Pry seal out of cover from the front with a large screwdriver, being careful not to distort
front cover or damage crankshaft.
INSTALLATION
1. Apply Quicksilver Perfect Seal to seal retainer mating surface and apply grease to seal
lips.
73124
a
a-Seal Lip
2. Install new seal with open end of seal inward (lip of seal toward inside of engine), using
crankcase front cover seal installer. Drive seal in until it contacts. Do not use excessive
force.
72560
a
a-Crankcase Front Cover Seal Installer (J-22102)
3. Reinstall torsional damper as outlined.
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Mercury MerCruiser MCM 7.4L MPI Specifications

General IconGeneral
BrandMercury
ModelMerCruiser MCM 7.4L MPI
CategoryEngine
LanguageEnglish

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