Car Repair World

Heater Working Of Automotive Car Heater System. Helpful Information Many aspects of the heater system can malfunction which require repair . A air cabin filter is used to clean impurities from the air before it enters the ventilation system, when this filter becomes plugged it can slow the airflow in which case the  filter  needs replacement. An engine coolant leak can develop which hinders the performance of the heater system, these leaks must be  repaired  before proper heater operation will return. When a heater core fails, a coolant residue may be observed upon the passenger side floorboard, this will typically be accompanied by a sweet, pungent odor. Most heater core inlet hoses can be identified by the diameter sizes of 1/2", 5/8" and 3/4". Heater system controls are adjusted by one of two ways, either a manual system is used which is adjusted by the driver, or a climate control computer responds to a setting, which is then automatically adjusted. Som...

Heater Hose Replacement Car Heater Hose Helpful Information Heater hoses transfer hot engine coolant into the heater core where it's processed into warm air and utilized by the heater system. Some systems are designed with a fluid control valve which stops coolant from flowing into the core which should also be replaced with the hose set. Heater hoses should be inspected for wear and failures when inspecting other coolant hoses such as the radiator hoses. Occasionally the heater core will trap air inside (post repair) the core producing a bubbling noise  which should dissipate. Best Practices Always clean the hose sealing surface (fitting) to ensure a good seal. Replace hose clamps with new units. Step by step guide on how to replace automotive engine heater hoses, this article pertains to most vehicles. Difficulty Scale: 4 of 10 Tools and Supplies Needed Replacement hoses Hose clamp tool Engine coolant Fluid catch basin Socket set Flashlight Plie...