The heater bypass tube is a cooling system component found on many road going cars and trucks. It’s purpose is to serve as a cooling system passage that bypasses the thermostat, so that there is coolant flow even when the engine thermostat is closed.
What is engine coolant bypass hose?
The coolant bypass hose provides a passage for coolant to flow , which is essential to the vehicle’s cooling system, thereby helping to prevent overheating and costly engine damage. Direct replacement for a proper fit every time. Prevents the coolant system from leaking and vehicle from overheating.
Do I need a bypass hose?
All engines that run a thermostat need to have some type of bypass provision to avoid localized hot spots, minimize the chance of steam pockets developing, promote even and rapid warm-up, and prevent water-pump cavitation.
How do you replace a coolant bypass hose?
- Jack up the front of the car and lower it onto jack stands below the two front tires. Place a drain pan under the radiator drain valve.
- Use a screwdriver to loosen the bypass hose clamps and remove the hose.
- Install a new hose and tighten the clamps.
What is the purpose of bypass hose?
The bypass feature allows water to flow around the engine, without passing through the radiator, while the thermostat is shut . Without it, the water will not circulate correctly creating hot spots around the engine which could lead to damage.
How important is a coolant bypass valve?
The coolant bypass tube provides a passage for minimum coolant flow , so that the engine does not overheat from insufficient cooling when the thermostat is closed and restricting coolant flow.
How much does it cost to fix a coolant hose?
The average price that most car owners will pay for an overall radiator hose replacement is between $150 and $171 for the total radiator hose cost. The labor costs for this procedure range between $77 and $98, while the total parts cost for this mechanism is around $73.
How much does it cost to replace a heater hose?
When heater hoses need to be replaced, the average cost is between $150 and $250 , but may be more depending on the make and model. Because coolant constantly circulates through the heater hoses, it doesn’t matter whether you use the heat or not – they deteriorate just the same.
What is a water pump bypass?
Bypass systems are typically employed on a temporary basis . They allow work to take place by pumping fluid (sewage, trash, water, etc.,) around the construction or work area without stopping the normal flow of the fluid.
How often should you replace coolant hoses?
Coolant hoses typically last several years , though anything longer than 10 years may be pushing the limits. Rubber weakens with age and from repeated exposure to hot coolant, so the older they get the higher chance they’ll leak and cause the engine to overheat.
Why is my coolant not circulating?
The coolant level could be extremely low because of long-term neglect, or because a coolant leak has developed in the radiator or radiator hoses. ... The thermostat that allows coolant to circulate may be stuck in the closed position or a clog may have developed, perhaps from debris in the cooling system.
What is coolant bypass valve?
This aftermarket-exclusive valve maintains a continuous flow of coolant through the engine block . Symptoms of a failed coolant bypass valve include small leaks and internal electronic failure, resulting in illumination of the check engine light. This part restores optimal vehicle performance.
What are 10 common causes of overheating?
- Too little or no coolant. Driving without proper levels of coolant/antifreeze may cause a coolant system failure. ...
- Cooling system leaks. ...
- A broken water pump. ...
- Radiator issues. ...
- Oil too low. ...
- Thermostat failure. ...
- Issues with the belts and hoses. ...
- Heater core is plugged up.
Where is the coolant hose?
There are two hoses that connect to the radiator. The upper hose attaches from the top of the radiator to the top of the engine . The lower hose attaches to the bottom of the radiator to the water pump of the engine.
