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Old 01-26-2013, 10:43 PM   #1
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Could cold temps cause this?

The temp here has been -10 to 15 degrees the last few days. I generally warm my jeep for 10 minutes before driving. The last two days I have had oil blow out the elbow that goes from the valve cover to the air box. I've lost about a half quart of oil. I am running 5w30 full synthetic and I last changed the oil just before Christmas. The oil pressure indicates 5 psi higher than normal (usually it runs around 45 psi). Engine temp is normal and there's no loss of power. Could it be the oil is just really thick when first started and is not draining very well from the top of the engine? Any ideas?

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Old 01-27-2013, 12:55 AM   #2
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I believe there is a filter in there, and if so it may be clogged.

Otherwise, you might be suffering from excessive crankcase pressure from worn rings.

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Old 01-27-2013, 10:17 AM   #3
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jay94yj, i think you have answered your own question, it has been bitter cold in upstate, and your returns could need the sludge cleaned out.
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Old 01-27-2013, 10:26 AM   #4
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check your PCV system , make sure it is in working order.
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Old 01-27-2013, 08:41 PM   #5
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Quote:
Originally Posted by parttogo View Post
check your PCV system , make sure it is in working order.
1994 has CCV not PCV.
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Old 01-27-2013, 08:54 PM   #6
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Hey!

Yep, the cold temps could very well cause the slight increase in oil pressure.....

On the blowby....have you checked the metered orifice on the CCV elbow on the back of the valve cover is not clogged?

Later!

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