Question about 1992 Ford Bronco
My bronco just quit running and there is milky looking oil on the end of the dipstick and in the breather that is on top of the valve cover going to the air filter box.
Possible intake manifold gasket leaking into engine
Posted on May 13, 2010
Testimonial: "Thanks I start there."
I highly doubt it's your intake manifold, however I am positive it's your head gasket(s). Even if it's one, you'll want to replace both. If this is the case, you'll need to remove the intake anyway, so you'll want to replace that gasket as well (if equipped).
Also, since your'e removing your heads, you'll need to replace your valve cover gaskets too.
This should all come in one kit: valve cover gaskets, head gaskets, intake manifold gasket (if equipped; the gasket that is); and, since you're pulling your heads, you may as well replace your push rods, lifters and rocker arms. If affordable, but not necessary; highly suggested.
Please let me know if you need any further assistance with this.
Guru, Premium Expert @ Fixya.com
Posted on May 14, 2010
Sounds serious but perhaps not terminal. Have you noticed any loss of coolant lately or white exhaust. Before starting take all the plugs out and spin the engine on the starter and see if anything gets kicked out of the empty spark plug sockets. Also check to see if the spark gap on any of the plugs looks cleaner than the rest. From the evidence of emulsified oil my guess is you have a leak at the cylinder head gasket. This will require at least one cylinder head to come off. The 'clean' plug will most likely indicate in which bank of cylinders the leak has occurred and if water was expelled out of an empty spark plug port this will confirm the bank. The gasket will need replacing along with a complete oil change. Run with oil for only a short while and then change it again.
Posted on May 13, 2010
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Posted on Jan 02, 2017
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