SOURCE: Fully warmed up; blowing hot and cold; Suzuki XL-7
Its just a vent damper plate not operating, it's like a gate which controls the flow of air,,usually they are operated by vacuum, or cables.
Service center time, unless you are handy with your own repairs.
SOURCE: 2001 Suzuki XL-7. Heater blows hot one side, cold the other.
No ductwork [to the lower vents] under the dash. They are part of the heater core / blower housing is integrated (all one piece).
After reviewing shop manual, we suspect that one of the three damper flaps is not positioning correctly; or debris has blocked one side (which makes more sense given the symptoms).
We're waiting for the temperatures to get back in the plus numbers to check out the physical arrangement.
SOURCE: 1997 Suzuki vitara heater not working only blowing cold air
Hi, I had this problem in my 2000 Suzuki vitara. Turns out it was an easy fix - something had disconnected under the passenger side dashboard (left side) - used tape to keep it together. I've found out that it can disconnect again if you shift the hot/cold lever from one side to the other too quickly. Sorry I don't know the technical parts behind the solution but at least it is a cheap and easy fix!
SOURCE: blowing cold air where is the thermostat
Follow the upper radiator hose off the radiator to the block, the thermostat should be their inside a removable housing
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