HVAC Heater Core Seal Kits

Replacement Parts > HVAC > Gaskets and Sealing Systems

HVAC Heater Core Seal Kits

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Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

What is an HVAC Heater Core Seal Kit?

An HVAC Heater Core Seal Kit is a repair kit that contains parts needed to replace a faulty seal in a vehicle’s heater core. It typically includes a seal, gasket, and other necessary components.

What is the purpose of a HVAC Heater Core Seal Kit?

The purpose of an HVAC Heater Core Seal Kit is to provide a tight seal between the engine’s heater core and other components, such as hoses, pipes, and the firewall. This is necessary for the efficient functioning of an engine’s heating system.

How do I determine if mine is faulty?

If your engine’s heater core seal is faulty, you will likely experience a decrease in the efficiency of the heating system. You may also notice a coolant or antifreeze leak, as well as a decrease in the engine’s overall performance.

Can a faulty HVAC Heater Core Seal Kit cause damage?

Yes, a faulty HVAC Heater Core Seal Kit can cause significant damage to an engine’s heating system, as well as other components.

How do I replace an HVAC Heater Core Seal Kit?

Replacing an HVAC Heater Core Seal Kit is a complex process that requires the removal of several other components. It is best to consult a professional mechanic or refer to the vehicle’s manual for instructions. Generally, the steps are as follows:

  1. Disconnect any hoses or electrical connections attached to the heater core.
  2. Remove the heater core and its mounting brackets.
  3. Install the new HVAC Heater Core Seal Kit, making sure all components are securely connected.
  4. Reinstall the heater core and its mounting brackets.
  5. Reconnect any hoses or electrical connections that were disconnected.


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