Why is my heater not working on my Volvo 940?

Why is my heater not working on my Volvo 940?

In some cases it stops working, but a very common problem is the heater fan is only working at the highest speed and doesn’t respond at all when the switch of the blower is in all other positions. Tired of it? This repair manual will help you to fix the blower motor of your Volvo 740 or 940.

Where is the blower motor on a Volvo 740?

This repair manual will help you to fix the blower motor of your Volvo 740 or 940. In the Volvo 200-series the blower motor was build in a case which was installed in the middle of the dashboard (behind the center console), and when it’s broken the entire dashboard must be disassembled.

Why does my 740 heater fan stop working?

A very common problem of the 740, 760, 780, 940 and 960 is the blower motor that’s acting weird. In some cases it stops working, but a very common problem is the heater fan is only working at the highest speed and doesn’t respond at all when the switch of the blower is in all other positions.

Where is the heater resistor on a Volvo 700?

It took several hours to replace the heater motor and/or resistor. Fortunately Volvo changed the layout at the Volvo 700-series (the blower motor was moved to the passenger side of the car, just behind the glovebox), resulting in a much easier way to access the heater motor and resistor for the blower.

https://www.youtube.com/watch?v=StrYKub6RRw

Is there a problem with the resistor on a Volvo 740?

Recognising the problem with the resistor of your Volvo 740, 760, 780, 940 or 960 is pretty easy: the heater fan only works at the highest speed. Replacing the resistor is pretty easy and not very expensive.

Why does my Volvo 740 make a hissing sound?

Leaking Sound from Heater Controls. [John Sargent] One of my 740s made a hissing sound from under the dash in the area of the heater temperature control lever. 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.

When do I Turn Off the blower on my Volvo?

The last 2 days about an hour after I arrive home from a 40 min back road commute, I’ve noticed that the blower on my 2000 Volvo S80 (heater/AC) fan is running. When I put the key in and move it to the first position and then off, it turns the blower off.

How to fix a 740 940 heater motor resistor?

With this step-by-step tutorial (for cars without airconditioning) Volvotips will help you replacing the resistor of the heater motor. Recognising the problem with the resistor of your Volvo 740, 760, 780, 940 or 960 is pretty easy: the heater fan only works at the highest speed. Replacing the resistor is pretty easy and not very expensive.


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.

Why is my air conditioner not working in my Volvo?

You have a vacuum leak which causes the heat vent control to work improperly; Your firewall-side heater water valve was installed backwards; The arrow on the valve points to towards the firewall inlet, not back towards the engine. Control cables from the heater control unit to air mixing doors are maladjusted or broken.

What kind of heater does a Volvo 240 have?

The Volvo 240 is famous for it’s powerful heater, which according to urban legend can brown a slice of toast in about 30 seconds, however the heater blower motor is buried in the deepest confines of the dash. It’s like they built the Volvo around the heater motor!

What kind of blower fan does a Volvo have?

Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. My DIY Life with my Volvos. XC70, V50 and 240. Enjoy the useful videos. Noisy Volvo blower fan motor. Volvo Transmission oil change Aisin TF-80SC. 6 speed Auto.