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Mystery vent hole? |
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Bufordjeep
AMC Apprentice Joined: Dec/02/2019 Location: IL Status: Offline Points: 43 |
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Posted: Dec/02/2019 at 10:16pm |
Hello AMC forum, new member here...
I'm replacing the clutch on a 1975 CJ5 with a 304. There's a hole in the block on the same surface as the oil pan & behind it & appears to go directly into the crankcase. Is that a vent & should it have a connection or tube or something? Perhaps a plug? Round milled hole on the underside of the block?? Any insights would be most appreciated. Thank you Bob
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mixed up
AMC Addicted Joined: Jun/16/2015 Location: Monroe mich Status: Offline Points: 2153 |
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pic of location might help
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69 amx 290 auto
65 220 290 4spd 80 ford fairmont |
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Bufordjeep
AMC Apprentice Joined: Dec/02/2019 Location: IL Status: Offline Points: 43 |
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Good point, will figure out how to post one.
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bwamx
AMC Apprentice Joined: Mar/27/2012 Location: CT Status: Offline Points: 143 |
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Passenger side ? If so it's a register hole, used to locate the block during machining at the factory.
There is one also at the front of the block on the same side. No need to plug it. Welcome to the forum. Bob
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AMXFSTBK390
AMC Addicted Joined: Oct/22/2013 Location: SF Bay Area Status: Offline Points: 3489 |
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Threaded Hole for the oil pick up tube?
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Questions are powerful tools...what's in your toolbox?
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AMXFSTBK390
AMC Addicted Joined: Oct/22/2013 Location: SF Bay Area Status: Offline Points: 3489 |
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Photo of oil pic up tube
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Questions are powerful tools...what's in your toolbox?
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tufcj
Supporter of TheAMCForum Supporter of TheAMCForum Joined: Jul/10/2007 Location: Watkins, CO Status: Offline Points: 4064 |
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I think the hole he's talking about is in the upper left of your pic. It's just a register hole that was used during the machining process. It's a blind hole, no plug required. Bob tufcj
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69 AMX
74 Javelin AMX 67 Rogue If you need a tool and don't buy it... you'll eventually pay for it... and not have it. Henry Ford |
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Bufordjeep
AMC Apprentice Joined: Dec/02/2019 Location: IL Status: Offline Points: 43 |
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That's exactly the hole! Should have figured it out with a simple, stick a screwdriver in there - I'm a dope...
Thank you gentlemen. Really appreciate you guys helping an old Jeep guy out. Thanks! Bob
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