What is the coolant bypass hose for?

Car engines need a way to equalize water pump pressure. The engine is cold when it first starts, but the water pump spins even though it isn’t needed. Without a bypass route, the coolant would dead-head against a closed thermostat.

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.

Can a throttle body leak coolant?

Problem Description. A Coolant leak under the middle of the vehicle can be caused by a leaking throttle body deicer. Coolant travels down the engine towards the rear before dripping to the ground.

What are the parts of a throttle body?

Throttle Body Flange. Throttle Body. Throttle Actuator Control Module Connector. Throttle Actuator Connector.

How much does it cost to replace coolant bypass hose?

On average, people will spend somewhere between $150 and $175 to repair the radiator hose and make up the overall radiator hose cost. This includes the parts and the labor, with the parts running at about $75, and the labor costs, which runs at an average of around $100.

How much does a coolant hose cost to replace?

Radiator Hose Replacement Cost – RepairPal Estimate. Labor costs are estimated between $81 and $102 while parts are priced at $57. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

Why is there coolant in my throttle body?

lots of cars have coolant passages that allow some coolant too flow into the throttle body, this supposedly helps the throttle body keep warm, some say to prevent “sticking because if icing.” if there is coolant leaking into the throttle body you may have un sufficent seal due to a bad gasket or mating surface on the …

What is the throttle body?

In a traditional spark ignition gasoline engine, the throttle body is the part of the air intake system that controls the amount of air that flows into an engine’s combustion chamber. It consists of a housing unit that contains a throttle plate (butterfly valve) that rotates on a shaft.

Is the throttle body inside the engine?

The throttle body is an important part of your air intake system that controls the air flowing into your engine. It’s located between your air intake and engine manifold where fresh air is pulled into the engine for the combustion process.

When should I replace my coolant hoses?

Radiator hose replacement is recommended every four years or 60,000 miles. Stop and go traffic may require more frequent replacement of your hose. If you are going to replace your hose yourself, be sure to get the exact hose for your year, make and model.