What is a heater core on a Volvo?
A volvo heater core is a small radiator (matrix) that transfers heat from the engine-cooling system to your car’s air heating/ventilation system. The heater core is much smaller than the engine-cooling radiator in front of the engine. read on to learn more about how to replace a faulty heater core in a Volvo.
How to diagnose a Volvo heater problem?
The heater core is much smaller than the engine-cooling radiator in front of the engine. read on to learn more about how to replace a faulty heater core in a Volvo. First diagnose the problem: is the heater core the prime suspect?
When do you need a Volvo AC heater?
When it’s -15 degrees below zero (celcius) you really need a working heater. At the moment the heater supplies little to no heat at all. The AC seems to work normally supplying cold air and removing humidity.
What kind of problem does a Volvo XC60 have?
Volvo XC60 power steering problem. A number of XC60s have been known to have power steering issues. The joint between the power steering high-pressure line and the steering gear might not have been assembled correctly. This could result in fluid leaking and a sudden loss of powered assistance.
How does the air conditioner work in a Volvo 850?
The heater (blower motor) fan is controlled by ECC output (power) stage. Air conditioning system will only operate above 32 F (0 C). Blower switch must not be in zero position to allow compressor to engage. interior temperature sensors, and duct temperature sensors.
Why does my Volvo air conditioner not shut off?
Heater Won’t Completely Shut Off Hot Air. [Tip from John Sargent] 700 series, with manual temperature selection, have a reputation for not being able to completely shut off all of the warm air when the manual temperature selector is fully off. The problem is the flapper door in the heater is not fully closed.
Why does my Volvo air conditioner make a hissing noise?
The manual heater control assembly supplies vacuum to the under hood heater valve to shut off coolant flow to the heater core in the cold position of the control lever. The vacuum connection had come off the heater valve, and the free flow of air caused the hissing sound at the heater control.
When to turn on the ECC in a Volvo 850?
The ECC control module normally supplies voltage to A/C relay, except when heater (blower motor) fan is off and vehicle speed is less than 20 MPH, when heater fan is off and recirculation is on, or momentarily when under full acceleration.
What do you need to know about a Volvo C30?
A compression test is a good way to gauge the overall health on your engine. This article covers the replacement of the variable valve timing solenoids. This article goes over the basics of engine management systems for the C30. A broken belt can leave you stranded. Here’s how to change them.
How can I tell if my Volvo heater is bad?
Start up the car from a cold start and feel the heater hoses as it warms up. They should start out cold and warm up at the same rate as the water in the engine block…
How is the air conditioner in a Volvo?
The hoses that go towards the heating element are fairly warm. The air from the top dash vents is not very warm and even on position 4 the flow is rather weak. The middle vents are warmer and the flowrate is good. The flowrate below is nearly neglible and the temperature is just above 0 C.