Q: Steam coming from the coolant reservoir
The coolant is fully to the line in the coolant reservoir and the needle on the coolant stays a little behind the half way mark. Steam comes out of the right side of the hood out of the reservoir tank. Any ideas why
My car has 155000 miles.
My car has an automatic transmission.
Recommended Services
| Cooling System Flush | $201.32 - $237.92 | Get a Quote |
Hi there. The coolant reservoir cap could be not sealing properly and causing the coolant to boil and steam coming out the vent or the coolant could be weak and needs changed as the boiling point has been lowered making the coolant boil and steam coming out the vent. If you need further assistance with your cooling system, then seek out a professional, such as one from Your Mechanic, to help you.
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
What others are asking
Engine turns over but won't start
The ignition coil, ignition control module, or distributor rotor can all fail without warning, leading to a no start. The reason I am leaning towards an ignition system (https://www.yourmechanic.com/article/how-a-car-ignition-system-works) issue is that the vehicle was running before you went to...
Faulty gas gauge
The fuel tank sender resistance may be off causing either a short or open causing the gauge to either be full or empty. The trunk rear fuel pump access cover should be removed and the connection removed and the fuel...
Temperature gauge isn't working properly
This may suggest a faulty cooling fan relay. As you may know the helps to maintain the proper coolant temperature by turning the fans on and off at specific temperature thresholds. When this switch is not working properly, this can...
Glow Plug System light comes on sometimes and engine has a lack of power when the light is on.
Hi there. Check the glow plug relay and see if its plugged in. Check the circuits to the glow plugs and see if there is power to them when the key is turned on. The circuit to the glow plugs...
Does my vehicle have an oil pressure sender or oil pressure sensor or both and where is it located?
Your motor (454/7.4L Big Block Chevy) should have an oil pressure sending unit that is typically mounted just above the oil filter housing. This is a relatively small unit (about the diameter or a quarter or slightly bigger) with threads...
broken crankshaft position sensor in block
Anything in the oil pan besides engine oil can cause severe damage to the engine. Pushing the remains of the crank sensor into the oil pan in hopes of it remaining there without causing damage is not advisable. Even the...
squeal sound from rear passenger wheel when driving bumpy roads
The noise is probably brake or wheel bearing related. If brake related, it might be due to the brake pad wear indicator contacting the rotors. If you desire that this problem be diagnosed by a certified Mechanic, dispatched by YourMechanic...
05 Buick rendezvous won't start new battery new starter and alternator is good what could it be
You have not specified whether the starter motor works or not versus a circumstance where the engine does crank (turn over) but won't catch and run. I will cover both scenarios for you. Check to see if there are any...
Oil is a light brown don't know if it's water or coolant
If it is water alone, that would just simply be due to too many short trips perhaps combined with a stuck open thermostat. The solution is to change the oil more frequently. Engine coolant would be a problem though. Do...
Related articles
How Long Does a Heater Bypass Tube Last?
In In order for the cooling system on your vehicle to work, you will have to make sure that all of its components are repair free. The thermostat that is on your vehicle helps to regulate the flow of coolant...
How to Find the Source of a Coolant Leak Faster and More Accurately
Keeping a good coolant level in your car is necessary to avoid overheating. If you think there is a leak, find where it's coming from to fix it.
How to Top Off Car Coolant
Coolant, also known as anti-freeze, needs to be kept at a certain level to prevent car engines overheating and damaging the engine.
Browse other content
Cities
Services