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Moderator
Join Date: Feb 2004
Location: DFW (Hurst), Texas
Posts: 4,730
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Does the engine reach normal operating temperature? Have you checked that there is no heat from any of the vents, not just the dash vents? Is there any chance that the coolant system has air in it?
The problem in probably the heater valve. It could also be the wiring and components actuating the heater valve. The heater valve is in the engine bay against the fire wall.
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HPDE Instructor (BMW / PCA / Apex)
Here: 1997 M3/4 Byzanz/Magma ~ 2006 Yamaha R6 ~ 1997 R1100RT ~ 1991 Ford F-150 5.8l ~ 2015 Kia Optima
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