 Cooling |
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| sjhenry1075 |
 Jan 18 2017, 11:51 AM
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#1
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Member  Group: Members Posts: 266 Joined: 22-July 12 From: Stevensville, MD Member No.: 14,709 Region Association: North East States 
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I'm back, and I have another stupid question. I'm pretty new to the 914 scene. I've been an enthusiast for as long as I can remember first seeing my father's 71 (which is now mine). I'm trying to learn as much as I can about the vehicle, through research I've found my best resource is this forum. With that being said, does anyone have a diagram or detailed description of exactly how the cooling system works on the 914 to include all parts involved? Even better, is there a book out there that explains every system on a 914?
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| Rand |
Jan 18 2017, 12:11 PM
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#2
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Cross Member Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None |
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| brant |
Jan 18 2017, 12:20 PM
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#3
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914 Wizard Group: Members Posts: 11,623 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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do you mean the air path or oil?
air gets sucked in the top of the motor by the fan (through the engine lid) the full tin work and all gromets help separate the cooler top air from the hot bottom air that wants to rise up the fan pushes the air through flaps in the fan housing the flaps are controlled by a bellow thermostat the flaps also control or split the air so some goes to the oil cooler, the rest over the heads and cooling fins on the cylinders the thermostat is arguably optional in a warmer climate as the factory designed the flaps to open fully in event of thermostat failure or missing... however having a thermostat is really better. Not so much for max cooling but for engine warm up and longevity. the flaps themselves are really necessary despite some arguing they have run cars without them. WHY???? WHY would you degrade a factory designed cooling system.... WHY? The later cars. I believe starting with the 73 model year? also added plastic flaps at the base of the firewall. They create a low pressure turbulence that helps to draw the air downward through the cooling path while the car is rolling. These are often added to early cars as more air movement is of course better |
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| sjhenry1075 |
Jan 18 2017, 01:47 PM
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#4
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Member Group: Members Posts: 266 Joined: 22-July 12 From: Stevensville, MD Member No.: 14,709 Region Association: North East States
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Thank you for the info.. I actually found this article that is pretty informative as well ~ http://www.volksbolts.com/faq/cooling.htm If you scroll to the bottom it explains the 914
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