Skip the auto shop - Our mechanics make house calls

Q: How do I bypass the heater core?

asked by on

Because my car is leaking I need to bypass the heater core but I don't know which hose goes to the heater,

My car has 200000 miles.
My car has an automatic transmission.

A: There are two hoses that go to the heater c...

There are two hoses that go to the heater core on the firewall, these two hoses would need to be hooked together. This is the only way to bypass the heater. If you need some assistance with this, consider enlisting a certified mechanic who can diagnose your leak and assist you with your heater core.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: No Heat

Hello There, You may have a clogged heater core that may be prohibiting the outer linings of the heater core to get hot. As you know, the heater core is a series of tubes that the coolant runs through that...

Q: Blower motor works sometimes

Your car has an automatic temperature control system and it sends signals out to the blower controller in the evaporator housing in the engine compartment. The blower controller is the most common failure along with the blower motor. The blower...

Q: Burning smell when constantly doing maneuvers - 2003 Vauxhall Corsa

Hello there. Unfortunately, we don't typically work on Vauxhall Corsas here in the U.S., but there are a few items that could cause a burning smell including a leaking engine or transmission oil, a "petrol" leak under the hood (as...

Related articles

How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.