Q: Timing chain gasket is bad. I check the engine oil and found chocolate foam. Is it possible the gasket can leak coolant in engine? Fresh rebuild.

asked by on January 06, 2017

Also found gasket material in oil,so i no the gasket is reaching inside oil pan.

My car has 5000 miles.
My car has an automatic transmission.

Timing Cover Replacement $129.64 - $2237.73 Get a Quote

Hi there. If you check the engine oil and see the oil look like a milk shake, then the engine oil is mixed with coolant or water. Also if you are finding gasket material in the engine oil, then a gasket could have been deteriorating and causing the coolant to leak through the gasket. The gasket could be splitting and leaking from the intake manifold, the timing cover (if the cover is cracked or eroded through), and the head gasket. I recommend seeking out a professional, such as one from Your Mechanic, to help you if you are unable to determine the source of coolant leakage.

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Car has rough idling, occasionally seems it would stall
Hello. Replacing the fuel injectors will not cause this. If it only stalls at idle, I would clean the throttle body first. If it is dirty, then this will occur. If it is fine, then it may be an air...
Coolant light keeps coming on
Hello. It sounds like there may be a coolant leak somewhere that is hard to find. It would be a good idea to have the coolant system pressurized and inspected for leaks. By adding pressure to the coolant system, it...
Car cranks but wont start.
Hello there, thanks for writing in. I'd be happy to help. The symptoms you are experiencing can definitely be caused by a faulty crank sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor). If the crank sensor goes bad, or there is an issue with the wiring...
How much do you charge to replace an engine labor and parts.
Hi, thanks for writing in. Unfortunately, at this time, YourMechanic does not install engines or transmission.
Car is idling at 1100 rpms
Hi, thanks for writing in. High engine idle can be caused by a number of different things. A stuck/binding throttle, vacuum leak, bad throttle position sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-throttle-position-sensor), coolant or air flow sensor all can be the cause of a high...
Noise when I accelerate.
In cold weather, drive belts will make this kind of squealing noise when the rubber belt material is cold and has not had a chance to warm up. Rubber is a material that is very susceptive to heat in terms...
Oil leak on the hose which came form valve cover to air intake . Engine is new and recently worked on.
Hi there. By looking at the photos that you have provided is shows that the PCV (positive crankcase ventilation) valve is blowing by and causing engine oil to go through the PCV tube. Since your engine has a turbo on...
99 Accord turns over and fuel pump runs when I turn key, but will not start. What could be the issue? 1999 Honda Accord
Hello - when you say that the lights dim while trying to start the engine, I suspect that the battery may not be strong enough (https://www.yourmechanic.com/question/my-car-isn-t-starting-it-s-really-cold-out-i-was-wondering-how-can-i-start-it-with-this-cold-weather-by-rainny-c) to spin the engine fast enough in low temperatures to catch and run. With...
Repeated Cat Code: P0420 keeps coming up.
Hi there. The code is coming up for more than the O2 sensors or Catalytic Converter. Perform the following steps to determine what is the cause for the code P0420. Check the following A damaged or failed oxygen sensor The...

Related articles

The Best Used Cars to Buy If You Need to Haul a Motocross Bike
Of Of course you would love to be able to ride your motocross bike everywhere, but the reality is, at some point you're going to need to transport it. A cargo van of almost any make or model would be...
Symptoms of a Bad or Failing Water Pump
Common signs include coolant leaks at the front-center of the car, loose water pump pulley, overheating engine, and steam coming from the radiator.
Is it Okay to Drive With Fluid Leaking?
No. No. Do not drive your car if fluid is leaking. Depending on the type of fluid that is leaking, you may be able to drive home from your location, or it may not be safe to drive at all...