Skip the auto shop - Our mechanics make house calls

Q: Water in oil from drilling too deep

asked by on

I was drilling t-stat bolt hole and went too deep into the inside of the intake. Now water in oil, but no oil in water. I noticed water oil mix coming up under valve cover thru the ports in head. I can't afford even a used intake, can I seal that hole with epoxy or any other sealant? Also is there any chance the head gasket and intake gasket is OK just getting water in oil from drilling the hole? It's also a vortek.

My car has 13000 miles.
My car has a manual transmission.

If you use a good silicone on the bolt when you put thermostat back in you will seal the hole from more coolant getting into the engine oil. Once the oil is flushed out you should pressure test the cooling system to see if the head gasket, heads and intake are sealing properly. The components are very common to leak on this engine and will get coolant in oil. Corrosion can eat into the metal of these components and cause the leaks.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Chrysler 300 overheating, what's the cause and how much to repair. Fans are working and has coolant

Hello, thank you for writing in. It is impossible to give a proper quote without knowing exactly what is wrong with the vehicle. Overheating may be caused by a clog, a bad water pump, a failed thermostat, or more complex...

Q: My radiator is full and my overfill is full yet my car still is overheating.

Hi there. First check the reservoir cap and make sure that it can hold the pressure that it says on it. If the cap can hold the pressure, then either the water pump is not working or the engine has...

Q: Misfiring, and we have been told the coil pack has given up. Bought 3 aftermarkets which aren't even letting it run 2012 Sonic 1.6L

Hi there - the coil packs on this model have a design issue, and use of OEM parts, and great care in installation is required. I recommend a engine misfire inspection performed by a mobile, professional mechanic, such as one...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.