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J638_201105 - Motor Vehicle Heater Test Procedure

Document Number: J638_201105
Revision Number:
Motor Vehicle Heater Test Procedure
This SAE Recommended Practice, limited to liquid coolant systems, establishes uniform vehicle heater test procedures. Both laboratory and complete vehicle tests are specified in this document. Required test equipment, facilities, and definitions are included. NOTE - Defrosting and defogging procedures and requirements can be found in SAE J902, J381, J382, and J953.
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