Hi Tom, You can do it with the engine in the car. I did it on our 1957 300C while I was changing the rod and main bearings my years ago. John From: Chrysler300@xxxxxxxxxxxxxxx <Chrysler300@xxxxxxxxxxxxxxx> On Behalf Of Tom McMahon tmcmahon@xxxxxxxxxxxxxxxx [Chrysler300] Sent: Tuesday, June 25, 2019 11:46 AM To: Chrysler300@xxxxxxxxxxxxxxx Subject: [Chrysler300] 300H - 413 Main Seal leaking I'm considering replacing the rear crankshaft main seal on my 300H. Some say I have to have the engine removed. Are there any shortcuts? [Non-text portions of this message have been removed] ------------------------------------ Posted by: <chesnutt@xxxxxxxxxxxx> ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to https://groups.yahoo.com/neo/groups/all/manage/edit For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang ------------------------------------ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/