What to do if your coolant bypass valve is not working?
If the computer is calling for the valve to change position and the switch isn’t satisfied, the trouble code is set. Like said, unless you have some way to free up these valves and get them moving smoothly, the only fix is replace it. All this 3-way valve does is bypass the heater core.
What causes coolant to leak from the bypass tube?
If the o-ring or gasket wear out or tear, coolant will begin to leak from the bypass tube. This may produce a coolant smell from the vehicle’s engine bay. Some coolant bypass tubes are located near the top of the engine, and as a result may produce a coolant smell far before any coolant can be visibly detected without opening the hood.
What happens if your coolant reservoir is bad?
Because the coolant reservoir is part of the cooling system, when it has any issues it can quickly lead to issues with the engine. Usually a bad or failing coolant reservoir will produce a few symptoms that can alert the driver that a problem has occurred and should be serviced.
When do you need to replace the heater bypass tube?
If you see coolant leaking under your car or smell coolant from your car, you may need to replace the heater bypass tube. Average rating from 130,525 customers who received a Vehicle Engine Cooling Inspection. The heater bypass tube is a cooling system component found on many road going cars and trucks.
If the computer is calling for the valve to change position and the switch isn’t satisfied, the trouble code is set. Like said, unless you have some way to free up these valves and get them moving smoothly, the only fix is replace it. All this 3-way valve does is bypass the heater core.
If the o-ring or gasket wear out or tear, coolant will begin to leak from the bypass tube. This may produce a coolant smell from the vehicle’s engine bay. Some coolant bypass tubes are located near the top of the engine, and as a result may produce a coolant smell far before any coolant can be visibly detected without opening the hood.
What are the symptoms of a bad heater bypass tube?
The most common symptom of an issue with the heater bypass tube is a coolant leak. If the bypass tube gasket or o-ring become damaged, or the bypass tube leaks due to excessive corrosion it may cause a coolant leak.
What are the symptoms of a bad coolant reservoir?
Coolant leaks. Another symptom of a potential problem with the coolant reservoir is coolant leaks. If the coolant reservoir cracks or breaks due to old age or overheating it will leak. Small leaks may produce steam and drips, while larger leaks will produce streams and puddles, as well as an obvious coolant odor.