Porsche 944 Turbo Thermo Fan Switch

Porsche 944 924s thermos fan switch replacement duration.

Porsche 944 turbo thermo fan switch.

The thermoswitch that regulates the radiator fans is mounted on the. For an early model 944 cooling fan circuit diagram no ac click here. 944 without a c 924s without air conditioning 924 fan switch. Definitely sounds to me like a faulty thermo fan switch.

3 pin general for cars with aircon option m573 or or fits. At that point it should cool down. Timothy schrock 457 views. If the high temperature condition still exists i e.

2 pole switch not suitable for 944 turbo or 944 s2 3 0l or 968 the switching temperatures for this switch are 87 c 92 c prone to failing with age these fan switches located in the main cooling radiator control the switching on and off of the cooling fans after the. At a specific temperature let s say a low temp switch at say 75 the circuit completes and it allows the fans to kick on. You can check this with a test light to check power. If the cooling fan does not operate when the car heats the thermo switch is bad.

As far as i can tell this switch has nothing to do with the cooling radiator fan operation. Thermofan switch closed the cooling fan will run in fast speed. On the normally aspirated porsche 944s the switch is relatively simple to change out but on the turbo there is a fair amount of work to get to it. Hi there i think that the first paragraph of this article may be somewhat incorrect for a 944 turbo.

The auxiliary fan switch is located on the left side of the radiator near the top of the radiator and just below the coolant hose. It only provides a reading for the temperature gauge of the vehicle. When the ignition is turned on the cooling fan relay is energized closing a contact to short out the slow speed resistor. Porsche 924 turbo 5 cylinder turbo restomod duration.

General fitment 924 1986 88 944 1985 88 944 1982 85. If you do and the fans do not cycle replace the switch. Diagram ref no 5.