Oil Filled in Sparkplug Hole - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

ATLspeed · 02-03-2008, 12:18 AM

i put oil in my car earlier because it was low. now a couple hours later after driving and then parking it for the day i come back outside to move my car and its mis-firing like a machine gun. i go to check my spark plugs and when i pull the wires only cylinder 1 sparkplug hole is filled with so much oil i cant even see the spark plug! im going to check my valve cover gasket because im thinking it may be causing the leak. if thats not the case anyone have any ideas?

brewster240 · 02-03-2008, 12:20 AM

valve cover gasket leaking, or you spilled oil down there.

worse case, cracked head. unlikely.

91silvia · 02-03-2008, 12:21 AM

it's most likely your spark plug tube seals leaking. I'm not sure what motor you have but sometimes they are part of the valve cover seal, sometimes not. Just pull the valve cover and replace the four circular seals around the spark plug tube holes and replace the valve cover while you're at it.

180sx_Drifter · 02-03-2008, 12:32 AM

most likely spark plugs tube seals.

reccakun08 · 02-03-2008, 01:33 AM

there is a sparkplug gasket that you usually change with the valvecover gasket.

hashiriya13 · 02-03-2008, 01:59 AM

Quote:

Originally Posted by reccakun08

there is a sparkplug gasket that you usually change with the valvecover gasket.

+1
I just found my #1 full and #4 not far behind. the plug hole gaskets were hard as a rock

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02-03-2008, 12:18 AM	#1
ATLspeed Zilvia Addict Join Date: Jan 2007 Location: Eden, MD, USA Age: 38 Posts: 921 Trader Rating: (14) Rides Gallery: ATLspeed Feedback Score: 14 reviews	Oil Filled in Sparkplug Hole i put oil in my car earlier because it was low. now a couple hours later after driving and then parking it for the day i come back outside to move my car and its mis-firing like a machine gun. i go to check my spark plugs and when i pull the wires only cylinder 1 sparkplug hole is filled with so much oil i cant even see the spark plug! im going to check my valve cover gasket because im thinking it may be causing the leak. if thats not the case anyone have any ideas?

02-03-2008, 12:20 AM	#2
brewster240 Zilvia FREAK! Join Date: Dec 2006 Location: tampa bay, fl Age: 42 Posts: 1,042 Trader Rating: (2) Feedback Score: 2 reviews	valve cover gasket leaking, or you spilled oil down there. worse case, cracked head. unlikely.

02-03-2008, 12:21 AM	#3
91silvia Join Date: Aug 2005 Location: indianapolis, IN Posts: 38 Trader Rating: (1) Feedback Score: 1 reviews	it's most likely your spark plug tube seals leaking. I'm not sure what motor you have but sometimes they are part of the valve cover seal, sometimes not. Just pull the valve cover and replace the four circular seals around the spark plug tube holes and replace the valve cover while you're at it.

02-03-2008, 12:32 AM	#4
180sx_Drifter Zilvia Junkie Join Date: Jan 2008 Location: SoCal Posts: 557 Trader Rating: (1) Rides Gallery: 180sx_Drifter Feedback Score: 1 reviews	most likely spark plugs tube seals. __________________

02-03-2008, 01:33 AM	#5
reccakun08 Zilvia FREAK! Join Date: Jun 2003 Location: Rockville, Maryland Age: 40 Posts: 1,090 Trader Rating: (5) Feedback Score: 5 reviews	there is a sparkplug gasket that you usually change with the valvecover gasket.