If you’re asking yourself “can you drive with a blown head gasket”, then you either have a blown head gasket already or you drive a vehicle that is known for blowing head gaskets. If you’re driving a vehicle that is known for blowing head gaskets, you may be able to do a few things to prevent that from happening to you. For more information, check out our article about preventing a blown head gasket.
If you’ve already got a blown head gasket, you need to understand what is actually going on in your motor to understand why it’s a bad idea to drive with a blown head gasket. The head gasket in your car is sandwiched in between your engine’s block and the cylinder head forming part of the combustion chamber. Its job is to keep compressed air and fuel inside the cylinder so it can be ignited and turned into energy and to keep coolant and oil out of the combustion chamber so they don’t foul the ignition process and so your vehicle doesn’t lose fluids.
When your head gasket is blown, it allows one or more of these fluids or gases to get to a place they shouldn’t be. A blown head gasket can allow combustion gases to get into your coolant, engine coolant to get into the combustion space or the oil and allow engine oil to get in all of these places as well. The real danger of driving with a blown head gasket is really the danger of driving with your engine’s fluids and gases in the wrong places.
Allow coolant into the combustion space can cause lots of problems. First, it can foul spark plugs and make your engine run poorly due to the deposits left by burning coolant. Next, coolant in the combustion chamber can change air fuel ratios and cause damage to sensors. Lastly, and possibly most hazardous to your engine, having coolant in the combustion chamber can cause rusting of the piston, piston ring and cylinder wall which can lower compression and require and engine rebuild.
Next, you could end up with coolant in your engine oil either by seeping past your piston rings or due to a direct leak from a coolant passage to an oil passage. Coolant in your engine oil causes major problems as it significantly reduces your engine oil’s ability to lubricate important components of your engine like your cam shaft or crank bearings. This lack of adequate lubrication can quickly lead to bearing damage again requiring an engine rebuild.
Allowing engine oil to leak anywhere can quickly lower engine oil levels which will also reduce lubrication in your engine and cause the same damage to bearings and camshafts. Lastly, allowing gases to leak out of your combustion chamber can cause abnormally high pressures in your cooling system and problems in the metal around the leak. Leaking coolant and combustion gases can cause high temperature gradients leading to erosion of the leak area and possible cracking.
For all these reasons we don’t recommend driving with a blown head gasket. The good news is there is a quick and easy way to seal your blown head gasket and keep your car on the road. BlueDevil Pour-N-Go is a specially formulated sealing agent you can add to your vehicle’s radiator that will seal a head gasket leak as you drive. BlueDevil Pour-N-Go doesn’t take any tools to install and will quickly and easily seal your head gasket leak.
You can also BlueDevil Pour-N-Go at any of our partnering local auto parts stores like:
- Advance Auto Parts
- Bennett Auto Supply
- CarQuest Auto parts
- NAPA Auto Parts
- O’Reilly Auto Parts
- Pep Boys
- Fast Track
- Bumper to Bumper Auto Parts Specialists
- S&E Quick Lube Distributer
- DYK Automotive
- Fisher Auto Parts stores
- Auto Plus Auto Parts stores
- Hovis Auto & Truck Supply stores
- Salvo Auto Parts
- Advantage Auto Stores
- Genuine Auto Parts stores
- Bond Auto Parts stores
- Tidewater Fleet Supply
- Bumper to Bumper Auto Parts
- Any Part Auto Parts
- Consumer Auto Parts
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can_you_drive_with_a_blown_head_gasket.jpg – By Nakata Sahc – Licensed by Getty Images – Original Link