Engine Oil Leaking into Exhaust manifold

4-Cyl. Technical/Performance Discussions
Post Reply
babon87
Junior Member
Posts: 2
Joined: January 31st, 2008, 7:57 pm

Engine Oil Leaking into Exhaust manifold

Post by babon87 »

Hi Everyone ,
Recently bought a 94 MX-3 with 140k miles ,automatic 1.6L engine , somehow engine oil is leaking and dropping into the exhaust manifold ,anyone had that before and importantly any solution to it !! I have already replaced the valve cover gasket thinking that this might be the problem but didnt help.
Advance Thanks a lot
User avatar
2fazed
Supporting Member
Posts: 1885
Joined: May 21st, 2002, 2:01 am
Location: La Selva Beach, California
Contact:

Re: Engine Oil Leaking into Exhaust manifold

Post by 2fazed »

When you replaced the valve cover gasket. Did you use gasket sealant? I know on both my Mx's that on the left lower corner, it leaks like a MF. And leaks down on the Alt. It's clean as a whistle with the sealant.
16 Hyundai Elantra Value Edition
06 Mazdaspeed6 2.3T
93 626 ES 2.5
92 Mx-3 RS 1.6
93 Mx-3 GS 2.5
93 Mx-3 RS 1.6
mortenmorfar
Regular Member
Posts: 60
Joined: January 2nd, 2008, 12:18 pm
Location: Denmark

Re: Engine Oil Leaking into Exhaust manifold

Post by mortenmorfar »

I don't see why a leaking Valve Cover could get engine oil into the exhaust manifold, a leaking valve cover would just pour the oil out in the engine bay or in the spark plug holes
maybe it's a sticking valve or something ?
jamesmx3
Regular Member
Posts: 203
Joined: March 9th, 2007, 11:53 am
Location: preston, uk

Re: Engine Oil Leaking into Exhaust manifold

Post by jamesmx3 »

valve seals?
1997 1.6 16v DOHC uk spec gs, 17" wolfrace triad, 2.0l probe s/s header magnaflow high flow cat, powerflow custom catback, CAI, zx2 struts w/ -40mm lesjofors springs

http://www.uk-mx3.com" onclick="window.open(this.href);return false;
tazman7341
Junior Member
Posts: 4
Joined: February 3rd, 2008, 7:41 pm

Re: Engine Oil Leaking into Exhaust manifold

Post by tazman7341 »

i have the same prob and i am looking at doing a head gaskit to car
? is it smokeing badly from the tail pipe ? if it is i would say you need to look at doing a headgaskit and valve job .. :D
mortenmorfar
Regular Member
Posts: 60
Joined: January 2nd, 2008, 12:18 pm
Location: Denmark

Re: Engine Oil Leaking into Exhaust manifold

Post by mortenmorfar »

You could buy a Compression gauge, and test the compression on the engine, they are pretty cheap, I payed 25$ for mine, and I'm from Denmark, so in the states it's properly a lot less :P
and it's really easy to test, just disconnect the Distributer and remove all the spark plugs, and screw the gauge in and crank the engine :)
babon87
Junior Member
Posts: 2
Joined: January 31st, 2008, 7:57 pm

Re: Engine Oil Leaking into Exhaust manifold

Post by babon87 »

Thanks a lot for your responses , in related to the compression testing what exactly will it reveal ?
Post Reply

Return to “4-Cyl. Technical/Performance”