Bad head gasket = low oil pressure?

[Black Sun 5.0]

I overheated last week and had a boil-over from a fan dying on me. Now, I noticed my oil pressure is low. The oil looks clean and so do the antifreeze, but there are mad bubbles in my radiator. Anyone?

 

[BK_CAULEY]

bubbles in the radiator to me sound slike air in the system.

and in turn that air could be getting pulled in by the head gasket being blown. im not saying that IS the problem but it could be. if you head gasket was blown you would know it. there would be oil and antifreeze/water all under the car and all over the motr.

i have never personally had a head gasket blow due to an over heat but it migh thave happened. go to autozone and get a compression check tool pull the fuel pump relay let the car run till its out of gas then do a compression check.

 

[Black Sun 5.0]

How about another angle: If the oil pump is failing, could you possibly hear a short squeaking or squealing noise from it?

 

[Dino Dino Bambino]

bubbles in the radiator to me sound slike air in the system.

and in turn that air could be getting pulled in by the head gasket being blown. im not saying that IS the problem but it could be. if you head gasket was blown you would know it. there would be oil and antifreeze/water all under the car and all over the motr.

I've personally experienced two blown head gaskets and I can tell you they don't leave oil or coolant all over the engine and under the car. It causes an internal leak of coolant. The coolant can leak into:

1. The oil, causing a milky emulsification of the oil.
2. Combustion chamber, producing steam from the exhaust and at least one wet spark plug.

One or both of these signs will be present if the head gasket is blown. The loss of coolant will eventually cause the engine to overheat. Other signs of a blown head gasket are:

3. Oil in the coolant.
4. Continuous bubbles from the radiator (with cap off) while the engine's idling.
5. Low compression in one cylinder or two adjacent cylinders.

Black Sun 5.0, you have sign no.4 so I'm sure you'll also have sign no.2 if indeed your head gasket is blown. If you severely overheated the engine, your oil may have become too thin at the time to properly lubricate the bearings and they could be worn, causing the low oil pressure.

 

[ShortThrow50]

well, i know from experience that blown head gaskets dont always cause an internal leak. I had a problem where the hg leak was pressurizing the coolant system and over the course of a day or too, i would have to put coolant in the radiator cause it kept blowning out of the coolant resivoir. need less to say, new head gaskets problem fixed. guess it all depends on the severity

 

[Black Sun 5.0]

Would the fact I use Mobil 1 have helped in the case of the oil wearing too thin?

 

[Black Sun 5.0]

I'm assuming a head gasket job is not for a novice?

 

[ShortThrow50]

I'm assuming a head gasket job is not for a novice?

you could do it if you have time. the only part a novice cant do is adjusting the valves but if you really want to do the job i can explain to you step by step on how to do the valves

 

[squeak93]

I just blew my HG. It leaks water all under the car. Blew a water jacket out in the middle of the head.