![]() The coolant often does not get into block due to the upper hose routing and can’t go through closed thermostat. So what to do? Jimmy57 has the answer, and it’s pretty simple:Ībsent having that tool then you take upper hose, the one NOT going to thermostat housing, and fill it with 50/50 coolant/pure water mix to get the block filled up. You can buy them on Amazon, like the Universal Radiator Pressure Tester and Vacuum Type Cooling System Kit, but they cost quite a penny and unfortunately, most LAPS (Local Auto Parts Stores) don’t carry them either. ![]() ![]() These tools allow you to easily remove and refill your coolant. If you don’t take care to fill it up, you could run the risk of ruining your engine. What’s a ‘cooling system evacuator and fill system’? On your Volvo, these tools allow you to easily get coolant to the engine block. The engines with thermostat on block (V8, all 3.2 short 6, 3.0T short 6, P1 5 cylinder, and all P3, and any platform with the Drive-E 4 cylinder) are all designed to use the ‘cooling system vacuum evacuator and fill system’. MVS user Jimmy57 provides a very important warning when replacing your coolant: A lively discussion broke out on coolant replacement (Isn’t that just always the case?) MVS user headrc recently asked the MVS forum how to open the draincock on his 2012 Volvo XC70 so he could flush the radiator. If you’re looking to change the coolant (antifreeze) on your modern Volvo, slow your roll! There’s a couple things you need to know beforehand that could save you major frustration, and possibly even ruining your beautiful automobile. Looking from the bottom of the reservoir (with the tank flipped), I can install from the bottom of the tank.Want To Know How to Change Coolant and Avoid Destroying Your Engine? At this point, I'm just trying to get a visual using my reservoir that was cracked and removed from my car (the one I will experiment with first) before doing any surgery to the new tank reservoir currently in my car.ġ. So, there are several ways I can install this. I looked through my box of 0-rings and also found one that would fit- these are actually o-rings for injectors so they should be able to withstand some coolant- they can withstand high temps and gasoline already. And, the whole thing will fit through the cap opening and I can install it in the first compartment of the reservoir which I can get my fingers into or at least a long needle nose to hold it in order to tighten it. The other thing is price is and the tightening nut together were about $10. ![]() So, my float switch came today.specs on it are that it can withstand the temps as well as the corrosive properties of the coolant. As things are progressing, I'm thinking that this is going to require a placement of a float in the reservoir, hopefully from the top with a locking washer on top so the tank will still hold pressure. In the meantime, if anyone here has any ideas on this, please let me know. When the message comes up on your dash, at least this way, you know to get out and check your coolant level. I'm working on a, I hope easy solution, to add a level sensor to our expansion tanks, tie into the wires from the window washer tank so that you will get a warning on your dash if either of these tanks are low. So, I wonder, why is there a windshield washer fluid level sensor but not one for the coolant? Fortunately for me, that was the extent of my loss! I got some fluid from the local auto parts store and although I looked for a replacement reservoir, I could not find any from our local parts stores so went to the dealer for full retail price. My expansion tank had cracked and spewed my coolant out. it wasn't a hose but after getting to work, I looked out my window and saw coolant all over the ground under my car. This is a huge Volvo over-sight, or is it? Is it just another way to make more money from us? This should be the first defense against loosing your coolant and overheating and rendering your Volvo as pretty much toast!! Ask the many members on the different forums whose lower radiator hoses broke and immediately shot their engine temps through the ceiling, toasting their aluminum engines. Well, because our cars don't have a sensor in the expansion tank (reservoir) to tell you when your coolant is low. I'm sorry- no write-up yet, but I'm going to be working on this- it's a new project of mine.
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