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What are the symptoms? Make, model,year & engine size would help. Does it have A/C?
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∙ 16y ago
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Why no heat in cab of f350 diesel?
no heat can be caused by,blocked heater core insufficient coolant in engine blocked heater hoses from engine to heater core bad heater thermostat bad thermostat in engine bad heater control switch
If radiator sealer blocked the heater core can it be unclogged?
The heater core can be flushed out and hopefully be unclogged. A water hose can be hooked to the heater core hoses, and water flushed through to clean the core out.
Where is the problem in the heating system when rear heat works but front heat does not?
I would first check either the controls to the front heater core or a blocked front heater core. It could also be a blocked or missing heater hose to the front heater core, although that seems quite unlikley.
Can't get any heat in your ford ranger?
HEATER WISE? YOUR HEATER CORE MAY BE BLOCKED
What could cause the heater or defrost to NOT blow warm or hot in a 1988 Ford Bronco ll?
Blocked heater core, faulty heater valve, disconnected connection to the heater valve.
Mercedes c200 heater not working?
The heater on a Mercedes c200 will stop working if the heater core is blocked. It allows hot coolant from the engine to be used in heating the cabin.
Why would the air conditioning work fine but not the heat 1994 corvette?
The heater core is blocked. The heater core works of circulation of the radiator fluid, while the A/C works off ciruclation of the freon.
If the heater in a Daewoo Leganza does not work well and you have already had the antifreeze lines flushed with new antifreeze and a new thermostat what else can you do?
It could be a partially blocked heater core, a faulty heater valve that allows the coolant through the heater core or it could be a faulty water pump.
Why is my 98 Renault laguna blowing cold air the 2 pipes from heater core are hot there is a slight heat from the blower when its turned on?
the heater matrix is blocked
Why does your heater barely get hot in a 2001 Daewoo Nubira?
2000 Nubira, same problem, no water flow from block to heater, core not blocked, runs fine????????????
Where is the heater core on a 92 Ford Tempo?
The heater core is above/behind the air outlet for the floor. The heater core can be tricky to get out and take a bit of time and patience. Be sure it's the heater core before you take on this task. It will save you a lot of frustration. If your car gets hot but you still blow cold air when temp setting is in hot then you have either low coolant, a stuck thermostat, or a blocked heater core. If your interior floor is damp near the center front of the floor, then you most likely have a leaky heater core.
Why is there no heater working on your 1990 Dodge Grand Caravan?
The heater would not be working on a 1990 Dodge Grand Caravan if the heater core is damaged or blocked. Hot coolant from the engine must flow through the core to allow hot air to pass into the cabin.
