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Re: Coolant smell Posted by Ari [Email] ![]() ![]() In Reply to: Coolant smell, TonyB, Wed, 20 Mar 2002 07:13:41 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I have a hard time believing that the Bars Leaks caused the seal of the water pump to fail. From the way the pump seal works, it dies through wear, and the Bars Leaks will act more as a lubricant than an abrasive. I would put that down to coincidence.
As to the smell of antifreeze. You said that coolant sprayed all over the inside of the engine compartment. I would venture a guess to say that you're still smelling the coolant evaporating from the various engine parts when they get hot. Is the smell worse when you're moving or when idling at a light? When you're moving, fumes from the engine compartment get blown through and are gone into the airflow. When you're stopped, fumes from the engine compartment tend to waft up around the edges of the hood and wheel wells, and can be pulled into the cabin by the fan. Engine smells, like burning oil or hot coolant tend to be stronger when the car is just idling at a stop light.
As to the pressure difference, that is totally normal. A cold cooling system is NOT pressurized. When it gets hot, things expand, but since the system is closed, more stuff in the same volume means a pressure increase. But once it cools down, it returns to normal pressure. There is no mechanism to pressurize the cooling system when cold, and no reason to.
Good luck!
posted by 140.157....
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