Mini cooper coolant leak

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Minis deliver an exciting driving experience and require proper maintenance to keep it reliable. After an extended period of use, your Mini tends to leak coolant from the water pump and thermostat. The failure of either one could cause your engine to overheat. Coolant leak indicates a possible cooling system malfunction , and ignoring it could cause your Mini to overheat. Discussed below are the common signs and symptoms of the cooling system failure in your Mini and the best ways to deal with it.

Mini cooper coolant leak

Thread Tools. Likes: Received Likes on Posts. Yesterday I noticed low or no heat climate control in my Cooper S. Figured it was a gremlin because I have been suspicious of the IHKA for a while, so let it be only to find the same problem this morning. Using BimmerLink I found no permanent codes and 1 IHKA error code but nothing that pointed clearly at a heating system problem as such. Under info codes, however, there was this under Motor electronics: - 20A50A: Engine cooling system: protective function for turbocharger coolant pump due to dry running active I then cleared all error and info codes well, most of them, again, I have a couple of gremlins but they are unrelated , and restarted the car. Upon restart, the 20A50A returned. I was out and about so could not take corrective action other than Googling, and quickly zeroed in on low coolant as first thing to check for. There are clear signs in specific places of recent fluid contact, and the panel also appears to have been absorbing fluid for some time. The front of the oil pan has streaks of what appears to be dried coolant. I can see maybe one such streak on the oil filter housing. But the actual source appears to be something higher that I cannot see from below.

Leaving the problem unattended could result in irreversible engine damage.

While Mini Coopers are known to be high-quality vehicles, they have been known to experience coolant leaks. Some of the older models of MINIs are known to experience radiator and thermostat housing leaks , but the most common problem with a coolant leak in a Mini Cooper is a faulty water pump. Cars with low miles have had water pumps to fail. If you notice anything unusual with your MINI, you should have it checked by a qualified mechanic experienced in dealing with coolant leaks on MINIs and who has extensive experience replacing a thermostat in a Mini Cooper. There are several symptoms to warn you of a coolant leak in your MINI. If you notice any of these, be sure to take your car in for a thorough inspection at your automotive repair facility.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Mini One Auto 1. The coolant in my expansion tanks keeps disappearing gradually every two weeks only when the car has been driven, the level will not decrease when parked. There is no dampness around the expansion tank, obvious cracks or marks under where I park the car. The car runs perfectly, never any signs of overheating and heating system operates superbly.

Mini cooper coolant leak

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I have a Mini Cooper 50k miles and noticed that coolant liquid was disappearing I can't find any obvious leaks traces when inspecting the engine bay. I also notice sometime a gurgling sound behind the dash , passenger side, when starting the car.

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Using a good flashlight you check possible leak areas. After you start your car and the engine is running and attains a set temperature, it will signal a sensor inside the thermostat that will cause it to open. Some years later another hot pressure test found the coolant tank had a leak but it only appeared when I shut off the engine hot enough the radiator fans were running. Thanks, yes. If you notice any of these, be sure to take your car in for a thorough inspection at your automotive repair facility. While a coolant leak into the oil system is rather rare -- generally requires a head gasket failure or a crack in the head -- you can drain the oil and check for coolant. Absent the ability to monitor actual coolant temperature -- which can be done with the right OBD2 scan tool -- I rely upon when the radiator fan s come on. Comes with 3 year warranty and has the brown temp sensor. Send a private message to RockC. Send a private message to ECSTuning. But is there anything else quick that I can check to eliminate anything else? If a failing thermostat is not replaced, it could cause more problems.

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After an extended period of use, your Mini tends to leak coolant from the water pump and thermostat. Find all posts by TVPostSound. Discussed below are the common signs and symptoms of the cooling system failure in your Mini and the best ways to deal with it. Coolant leak indicates a possible cooling system malfunction , and ignoring it could cause your Mini to overheat. Visit ECSTuning's homepage! But the actual source appears to be something higher that I cannot see from below. The car lost a LOT of coolant from this problem. With the tank out of the car it was clear it had been leaking for a while but no coolant had reached the ground. Rusts and deposit buildup: Different minerals will accumulate from gradual leaking around the pump. Should get here by next week. Mine is a cooper s. Checked the cap and threads on the tank and put the cap on and made sure it was tight. Identifying the cause of your coolant system failure is fairly straightforward. Welcome, glad to help.