Why is my car leaking coolant only when running?

Why is my car leaking coolant only when running?

Coolant is more likely to leak from a car when the engine is running because it is hot and under pressure. As a general rule, the causes of a coolant leak while an engine is running include a burst or cracked coolant hose, a leaking radiator, a leaking coolant reservoir cap, a bad water pump and a blown head gasket.

Why is my car leaking antifreeze when parked?

It is possible to have a coolant leakage when your car is parked. This can happen due to a damaged component(s) in the cooling system of your vehicle. It can be due to a torn hose, a bad radiator or radiator cap, a damaged water pump or head gasket.

Will coolant leak when car is not running?

Coolant can leak from a vehicle that is not running because when the engine is off, the coolant is no longer under pressure and can pool in various places around the engine and can leak.

Why am I losing antifreeze no leak?

When you are losing coolant but no leak is visible, several parts could be the guilty party. It could be a blown head gasket, a fractured cylinder head, Damaged cylinder bores, or a manifold leak. It could also be a hydraulic lock.

Why is my car leaking coolant from the bottom?

An antifreeze leak can occur through a hole in your radiator. Corrosion of your radiator tubes or damage because of stones or debris can create a leak. Over time, your hoses get hard and brittle, and as a result, coolant can sometimes leak out where they join with your water pump, heater core, radiator or engine.

What are the symptoms of a blown head gasket on a diesel engine?

Symptoms of a Blown Diesel Head Gasket

• Engine Overheat. If there is a coolant leak, a common symptom is the engine overheating.
• Poor Performance. A coolant leak from the head gasket can cause the engine to run roughly.
• Unusual Exhaust.
• Frothy Oil.
• Loss of Coolant.
• Clean Spark Plugs.
• Heating System.
• Coolant in Strange Places.

Where is my coolant going if its not leaking?

#3 – Check for Engine Smoke Try and track down the smoke, but if it’s white, then it’s coolant. If you don’t have a visible leak underneath your engine, then you should take a look at your radiator cap or anywhere along the top or sides of your engine. If you find any antifreeze, then you’ve located your problem!