A classic sign of a heater core problem is when the inside of the vehicle’s windshield persistently keeps misting.
Andrew Markel explains how problems with the cabin heating system may not be directly related to the thermostat. Sponsored by Auto Value and Bumper to Bumper.
The Clean Burn SunFire100 is a portable radiant heater capable of producing up to 154,000 BTU/hr. It will efficiently burn diesel and #2 fuel oil and has a 19.1 gallon tank, which provides up to 19 hours of use, says the company.
Some GM customers may find that their vehicle’s malfunction indicator lamp (MIL) illuminates after starting the vehicle when using the engine coolant heater in very cold ambient temperatures.
During winter driving, especially in the 23 “Salt Belt” states, water containing salt may accumulate in the black plastic pipe cover and/or the brackets of the wheel housing. This may cause corrosion and perforation of the rear heater pipe, resulting in coolant seepage from the rear heater pipe.
Applies To: 2009-’10 Fit All 2011 Fit – From VIN JHMGE8…B5000001 through JHMGE8…B5000012 2011 Fit – From VIN JHMGE8…BC000001 through JHMGE8…BC012605 Symptom: The HVAC blower motor works only on high speed. Probable Cause: Excessive current draw from the HVAC blower motor causes the blower resistor to fail. Corrective Action: Replace the HVAC blower motor
A loose control knob potentiometer could cause erratic behavior on a Highlander climate control system.
The spacious and elegant concept car Ciel is powered by a twin-turbocharged version of the 3.6-liter Direct Injection V-6 engine, paired with a hybrid system using lithium-ion battery technology. The Ciel – pronounced “C-L,” the French translation for sky – is a four-seat convertible that opens a new chapter in Cadillac’s design and product ascent, pushing the brand’s Art & Science philosophy into a new stratum.
Leave it to the OEMs to take a simple system like heating and air conditioning and turn it into an electronic jumble of wiring, sensors and computer components.
The majority of repeat heater core leaks are due to high flow rate or use of poor quality coolant. However, electrolysis should also be checked, especially when repeat repairs have occurred.
Some Mazda6 drivers may complain that the seat warmers turn off too early or may not heat to their satisfaction. The operating temperature of the new seat warmer has been increased on later vehicles by 14 degrees F (on average) to address this concern.
First Speeds Repairs There was a time when the heating and ventilation system on most cars was simple. A three-position switch, a couple of levers and maybe some separate vents that would allow outside air to enter the passenger compartment. Times have changed and today’s car buying public wants to dial in a desired temperature