Check Coolant level warning
Thread Starter
Intermediate
Joined: Feb 2020
Posts: 41
Likes: 4
From: Richmond, Texas
Check Coolant level warning
Lately, my 2006 base convertible has been displaying a Check Coolant Level warning.
I can't find any visible leaks. I checked the oil and there is no coolant in it (whew!) I felt around the floorboards, and they're dry. I didn't notice any coolant smell in the cabin, so I'm guessing it's not a leaking heater core.
The engine is running at normal temperature - no overheating.
Each time the warning displays, I check, and it loses about an inch of coolant.
Does anyone else have this issue? Any ideas?
I can't find any visible leaks. I checked the oil and there is no coolant in it (whew!) I felt around the floorboards, and they're dry. I didn't notice any coolant smell in the cabin, so I'm guessing it's not a leaking heater core.
The engine is running at normal temperature - no overheating.
Each time the warning displays, I check, and it loses about an inch of coolant.
Does anyone else have this issue? Any ideas?
Race Director
Joined: Jan 2004
Posts: 18,727
Likes: 711
From: Bergen County, NJ
If I were losing coolant, I'd use a coolant pressure tester and see where its leaking from.
Race Director
Joined: Dec 2013
Posts: 12,502
Likes: 3,631
Lets back it up,since there is not level sensor in the coolant system.
Instead, it monitoring the time is takes the coolant to warm up, as well as differential changes in the temp.
Hence wide fast swings in the temp reading is going to cause the warning.
Since the coolant temp sensor is in the drivers side head on the front side (top and front side of the motor),
Either you have air in the coolant system that needs to be vacuum bleed out via the reserve tank,
The sensor is on the way out,
Or have a connector corrosion problem.
Instead, it monitoring the time is takes the coolant to warm up, as well as differential changes in the temp.
Hence wide fast swings in the temp reading is going to cause the warning.
Since the coolant temp sensor is in the drivers side head on the front side (top and front side of the motor),
Either you have air in the coolant system that needs to be vacuum bleed out via the reserve tank,
The sensor is on the way out,
Or have a connector corrosion problem.
