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Old 12-14-2003, 06:38 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
There is a risk of tearing the oil pan gasket when you remove the rear crank seal carrier. The shop manual casually says, 'Do not damage oil pan gasket. If necessary, replace oil pan gasket.' In most applications the M103 has to be lifted to replace the oil pan gasket.

FWIW, when I was shopping for an indy to rebuild the transmission in my 91 300SE, none said that they recommend replacing an M103 rear crank seal just because the transmission is out.

95 S420
87 300SDL
83 300SD ... $950, see cars forum
91 300SE ... sold
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