626-001_Instructions
REMOVAL/INSTALLATION INSTRUCTIONS:
626-001 HEATER CORE BYPASS KIT
Disclaimer: Even though every attempt is made to ensure this information is complete and accurate, it is impossible to account for all possible circumstances or situations. Please consult with a
qualied auto technician before attempting to perform any work you are not qualied to do. Automobiles can be hazardous to work on; be sure to take all necessary safety precautions. Failure to do so
may result in property damage or personal injury. Certain motor vehicle standards and performance requirements may apply to your motor vehicle (such as Federal Motor Vehicle Safety Standards by
the National Highway Trac Safety Administration). Be sure that your work is performed in accordance with such standards and that you do not disable any motor vehicle safety feature.
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Dorman Products, Inc. | Corporate Oce and Customer Service: 1-800-523-2492 | Tech Line: 1-866-933-2911
©2021 No reproduction in whole or in part without prior written approval.
Contents of heater core bypass kit:
• 5/8” (.625”) x 3.5” heater hose (1)
• 5/8” x 5/8” heater hose connectors (2), one installed and one loose in box
• 5/8” x 3/4” heater hose connectors (2), one installed and one loose in box
• 5/8” hose clamps (2)
BEFORE YOU BEGIN:
• Always wear proper safety equipment when performing repairs.
• Ensure this part ts your exact vehicle year, make, model and conguration. You can verify at your point of purchase using the part number on the box
or using the part number above at DormanProducts.com.
• Reference the appropriate service manual for your vehicle. If you do not have a service manual, and do not have the training or experience to perform
the necessary procedures correctly, seek the services of a qualied technician.
Instructions
NOTE: Vehicle must be cooled down before installation. The system is under pressure and releasing it too
soon will result in boiling uid spraying under high pressure.
STEP 1: Remove both the inlet and outlet hose from the heater core.
STEP 2: Using the appropriate barb ttings from the bypass hose kit, loop the heater core inlet
and outlet hoses.
STEP 3: Top o the coolant and purge or bleed your cooling system of air. NOTE: Check the system for leaks
after installation.
Still need help?
Please call our Technical Support team for assistance
from our team of certied automotive experts.
1-866-933-2911
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