There are numerous completely different causes as to why you may see your coolant bubbling. Whether it be from restricted circulation, combustion/exhaust gases moving into the cooling system or having an air pocket trapped within the system. Please contact our technical help line at in order that we are able to get a greater understanding of the automobile’s situation and be capable of make any applicable recommendations. Based on your description, it is tough to say precisely what the difficulty is.

Are you saying the engine is operating cooler than normal? With a blown head gasket, the car would be working hotter than normal and should begin overheating at some point.

The product does not contain any strong or particulate matter, so it does not have the identical clogging possibilities that another merchandise in the marketplace could have. Based in your description, it does not sound like you could have any of the tell-tale signs of a blown head gasket.

Once you shut off your automobile, the coolant stops circulating but your engine is still hot, especially after an extended drive. This could cause a rise in temperature and subsequently stress for a short while after you flip off your car. If a brand new radiator cap doesn’t assist strive flushing your system and replacing your thermostat.

Please contact our technical help line at so that we can get a better description of the car’s symptoms and be capable of make any appropriate recommendations. It sounds like your automotive is experiencing an uncommon amount of heat soak.

Based in your description, it does not seem like you've any of the inform-story signs of a head gasket leak. Thank you for asking about your Honda CR-V. Unfortunately, white smoke coming from the tail pipe is a tell-tale sign of a blown head gasket. Thank you for asking about your Vauxhall Astra VXR. The symptom of bubbling coolant alone doesn't necessarily indicate a blown head gasket.

It sounds as if, apart from the gradual loss of coolant, every little thing else is functioning properly. What led you to notice the gradual loss of coolant if the automobile wasn’t overheating and no other signs have been occurring? Based in your description, it doesn't sound like you could have any of the symptoms of a blown head gasket.

The BlueDevil Head Gasket Sealer, when launched into the cooling system, is attracted to air circulate. It works by in search of the temperature differentials in the system and can react with heat to form a chemical weld.

It doesn’t seem like you have any of the tell-tale indicators of a blown head gasket, so a faulty thermostat could be inflicting the warmth to fluctuate the way in which it is doing. Depending on when the water pump was last changed, that also could be creating poor circulation. We suggest taking the automobile to a certified mechanic for a correct analysis.