Rick's Free Auto Repair Advice

Posts Tagged: coolant recovery tank

Coolant recovery tank

What does a coolant recovery tank do? In simple terms, a coolant recovery tank is a reservoir designed to collect hot coolant from the radiator as the coolant expands. Once the engine shuts down and the coolant in the radiator contracts, vacuum developed in the radiator draws coolant back into the radiator so it’s full at all times. The confusion about whether coolant expands Despite what other “experts” have stated, engine coolant does in deed expand as it heats up—all liquids do. The people who say water doesn’t expand as … Read More

Can you patch a cracked coolant reservoir tank

You can patch a cracked coolant reservoir tank, but you may be better off replacing it Car makers have used plastic coolant reservoir tank for a long time. But the older versions were never pressurized. If you have a cracked coolant reservoir tank and it’s not pressurized, you can patch it. But if yours is pressurized, I strongly recommend replacing it and not trying to fix the old one. Here’s why. There’s only one way to patch a cracked coolant reservoir tank Coolant reservoir tanks are made from high density … Read More


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