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Marc
Marc, Technician
Category: Car
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Experience:  33 years exp. automotive repair NYS emisisions repair cert.
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My heater core is leaking, I need to bypass it for now, how do I

Customer Question

My heater core is leaking, I need to bypass it for now, how do I do that and where can I find a manual to replce the core myself
Submitted: 11 years ago.
Category: Car
Expert:  Marc replied 11 years ago.


To by pass the heater core diconect the two heater hoses from the heater core and conect the two hoses to each other using a suitable peice of pipe and hose clamps.
FRONT SYSTEM


  1. Disconnect the negative battery cable.
  2. Drain the engine cooling system into a clean container for reuse.
  3. Disconnect the heater hoses from the heater core.
  4. Remove the heater core cover-to-heater assembly screws and the cover.
  5. Remove the heater core-to-heater assembly strap screws and the straps.
  6. Remove the heater core.

    To install:


  7. Install the heater core.
  8. Install the heater core straps and the straps-to-heater assembly screws, then tighten the screws to 18 inch lbs. (2 Nm).
  9. Install the heater core cover and the cover-to-heater assembly screws, then tighten the screws to 18 inch lbs. (2 Nm).
  10. Connect the heater hoses to the heater core.
  11. Refill the cooling system.
  12. Connect the negative battery cable.
  13. Run the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

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