The pressure valves in the original caps would jam up as they aged, preventing excess pressure from venting when the engine got too hot. For this reason a mechanical fan contributes to "drivetrain loss." Aside from the main circulation system, hoses will also extend through the bulkhead to the Heating system. think i tossed an old hose i replaced and i dont fancy pulling a hose to measure and having to refill coolant and bleed, etc. by dmcl » Fri Apr 16, 2010 12:06 am, Post It sends a signal to the heater blower to spin at the required speed. M20/M30/M50/Whatever! Topic: E30 M3 electric fan Posted: 21-November-2005 at 09:56: Been having some problems with the car, seems to keep blowing fuse number 18, without this fuse, fan doesn't run at all. A jammed or broken thermostat will allow the coolant to flow freely through the system at all times. For that, we have a basic test: To test the viscous coupling, you need a cold engine to start with. The radiator is the core of your cooling. 2002 Parts. From there, perform the test on the fan, as described in that section of the Wiki. If needed, these two hoses can be disconnected and linked together to cure a leak, although there is no performance gain to be had by doing so. And many more! Next, open the oil cap on the engine, and look at the oil and the rim of the cap. Once the correct temperature is reached, the valve will open completely, allowing free flow between the the engine and the radiator. The Miller Smart Fan is a twist on traditional electric fan conversions. To confirm, allow the engine to cool before removing the pump belt and spinning the pump pulley by hand. Reply. 84-86 BMW E30 Auxiliary Electric Pusher Condenser Fan 64541377294 . by ten2doyle102 » Wed Jun 24, 2009 4:56 pm, Post 1 - 7 of 7 Posts. Pumps are service items, and should be replaced with every other cambelt change. welcome to e3p Martini. A basic check is to warm up the engine, let it idle, and then squeeze the top radiator hose. i.e. Although the system is sealed, vents and pressure valves will allow the coolant level to drop over time, so it will need to be topped up on occasion. ; Brake Kits Performance big brake updgrade kits for the BMW 2002 including our exclusive Wilwood brake kits. PRODUCTS. Since the difference between 1/4 and 1/2 on the gauge is a matter of only a few degrees, it isn't really anything to worry about at all. First, check the coolant level. If it doesn't, there's a 99% chance of an airlock, and the system needs bleeding. All P/N's listed are a "best guess", so please double-check with your local dealer. Add: Choose a wish list to add product to: Add Cancel. When things get hot they expand, and your coolant is no different. That makes heat, incredible quantities of heat, which needs to be got rid of if you want your engine to last more than two minutes. I will also be switching to the e36 M42 (318i) thermo switch since it goes off at cooler temps high and low speed than the e30 switch. Heat is a major factor in the running of the engine. Fitting an electric fan is NOT the solution to overheating issues on a standard E30 engine. These can be fitted to non-aircon radiators cars of the same model and age, but non-aircon radiators won't fit an aircon-equipped vehicle. I got to get this fan working cause my coolant cap keeps bursting over, it's 98* outside and my E30 will have none of it. Because of the increase in pressure, the heater valve would blow and spray the passengers legs with hot coolant. Your engine is powered by a rapid series of controlled explosions. by ten2doyle102 » Wed Jun 24, 2009 3:32 pm, Post by M20_fever » Mon Mar 29, 2010 7:27 pm, Post Mfg#: 30130074 Qty: Choose how many gift cards you would like below. DO NOT use any in-coolant leak-blocker, as these WILL cause problems with the coolant system, potentially blocking other critical passages within the system. Our Electric Fan Conversion Kit for 1992-1995 (OBD1) E36 3 Series 6 cylinder BMWs is an efficient and effective kit to fully eliminate your engine-driven fan while keeping your engine at optimal running temperature. Fan-cooled A28 motors are designed for applications that require longer duty cycles and even higher power outputs. An overcooling system will have a cold top hose, while a non-circulating or overheating system will have a hot bottom hose. $34.70. E30.BMWdiy.INFO E30 Aux Fan Resistor Replacement (Bosch) Prepared by VietSB Modified 06.29.02 NOTE: Perform these steps at your own risk. by Yoshi » Mon Mar 29, 2010 2:21 pm, Post Car Electric Cooling Fan Wiring Harness Thermostat Temp Switch Sensor Relay Kit. The pump is powered by a belt from the crankshaft pulley. the fan is really only effective at or near stops. Pre-Owned. New Customer. I've had a few different electric fans on my Spec E30. If your oil is fine, your next step is to check the water pump. In the event of a leak while driving, external fixes such as glues or two-pack seals can be used to botch a repair, but this is purely a temporary fix. fan harness. An expansion tank is fitted to give the hot coolant space to expand into. Top Rated Seller Top Rated Seller. Our electric fans and conversion kits are ideal for those looking to eliminate the power-robbing, parasitic effect of the factory BMW engine-driven, mechanical fan. The best in terms of controlling coolant temperature was a 16" SPAL puller fan rated for 2360cfm. Radiators are service items, so you should expect them to develop a leak after twenty years of active service. Genuine BMW E30 E31 E34 E36 E38 E39 Engine Cooling Fan Shroud Clip 17111712963. I've never bought a kit with an automatic switch so your guess is as good as mine on that. The E30 Competition Cooling Kit is designed for race applications where temperature management is even more critical. Brake Parts Brake parts for the BMW 2002 such as brake pads, brake shoes, master cylinders, rotors, calipers and more. If your car starts overheating, especially in traffic, the viscous coupling is usually to blame. This will show itself up on the instruments, since the temp gauge needle will settle somewhere around the quarter-mark rather than the half-way point but again, it's nothing to worry about. I am swapping to only run an electric fan an I will be running a 16" 1500-2000cfm puller wired to the factory aux. Discussion Starter • #1 • Oct 15, 2003. by M20_fever » Fri Mar 26, 2010 11:58 pm, Post The M20 in particular uses a variety of pumps across the engine range. 16" Straight Blade 12Volts. Now repeat this test with an engine that is significantly overheating. by E30 Martini » Thu Apr 08, 2010 2:24 pm, Post I am swapping to only run an electric fan an I will be running a 16" 1500-2000cfm puller wired to the factory aux. 2 Responses to E30 Aux fan resistor replacement and the two different E30 auxiliary fan types. You are looking for a creamy mayonnaise substance, or oil that looks like milky coffee. Thank you! The more parasitic losses that can be eliminated on an engine helps to increase horsepower making it to the wheels. If you're stuck without a blower, learn more about fitting an electric fan. Engine cooling fans aid the flow of air as supplemental cooling for your radiator, particularly when your BMW is stationary or moving so slowly that adequate airflow isn't available. The fan fitted to all E30s is driven by the engine, via the fan belt, and a viscous coupling. by Yoshi » Wed Jun 24, 2009 3:36 pm, Post If one of these has snapped, it will allow water to run through with no restriction. I don't know if it will keep your motor cool though. Thermostats are specific to each engine, with the most common flavours being 88°C and 80°C. The right-hand knob is a potentiometer, ... A variety of blowers were fitted during the lifetime of the E30. It's only when the radiator can't cope, and the temperature half way across the core has risen to a significantly higher temperature than normal, that the air coming from this area is hot enough to trigger the coupling. BMW 3-Series E30 (1983-1991) Cooling Fan Relays and Switches The radiators have additional cooling fans to pull cool air through them and help dissipate heat. Wired it up as per OP's instructions, still nothing. Free shipping. [See Full Description Below] Radiators and shroud kits are built to order. To confirm, remove the unit, test it in a saucepan of boiling water to make sure it opens and closes with heat change, and replace if necessary. Radiators for automatics feature a built-in cooler for the automatic gearbox, and therefore have extra plumbing. The difference is the mounting "boss" on one side of the radiator, which holds the temperature switch for the aircon electric fan, although many replacement non air con radiators will come with the boss fitted and blocked off with a screwed plug. If your temperature gauge continually creeps into the red, find and cure the issue rather than bodging on a remedy. You can set the denomination in your cart during checkout. We have been using these for years. When the engine is cold you should be able to easily stop the fan. $4.10. I plan on running the OE AC fan as my only fan, but it will be wired to run on HI speed all the time. The viscous coupling is a likely culprit at this point. Post E30 Electric Thermo Fan Controller. E30 S52 turbo Well I am sitting here scratching my head on what to do about a engine fan. The product has been added to your wish list. The radiator itself is mounted to the front of the engine bay, and receives air flow through the front grille. + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. Therefore, the thermostat will need to be replaced. Tested these in E28, E21, E30, E36, E46 (M models as well). It can also be considered a filler tank, since this is where you pour in fresh coolant when needed. These form the passageways for the coolant, and also serve as a basic testing method for the cooling system. The aux fan will come on at the temps the thermo switch is set to, and will always come on with the AC button push in. He hooked me up with a new fan clutch and most importantly a 32mm fan clutch wrench (which is long and thin) and a pulley retainer. That leads to rich running, poor performance and increased engine wear. Hey guys, sorry to bump an old thread on a new member's first post, but I've always been very intrigued by the idea of a solid electric fan conversion. https://www.e30zone.net/e30wiki/index.php?title=Cooling&oldid=33743. To get the most out of your engine, the temperature needs to be warm but stable. (Edward Mote 1797-1874) Save Share. E30 electric fan. In a closed liquid system, any trapped air is a big, big problem. Both are electric fans as contrasted to the belt-driven engine fan. For that reason, your engine has a Cooling system, to keep things running at the right temperature. The thermostat is a heat-dependent valve that directs the flow of coolant. After that, set your heater blower to full and make sure it blasts out hot air. Air-conditioning was fitted as an optional extra to all E30s as early as 1984, except the 333i where owners had to choose between aircon and power steering.The system remained largely the same throughout the E30 production run, and is based around a sealed refrigerant oil, just like your fridge at home. I know this is an old post, but thank you. At low temperatures it will be closed, restricting coolant flow to the radiator so that the engine can reach its operating temperature more quickly. fan harness. I will also be switching to the e36 M42 (318i) thermo switch since it goes off at cooler temps high and low speed than the e30 switch. Hussam Jamil on August 21, 2019 at 1:28 pm . Within a year I found that those can wear a hole in a radiator fin. Learn more about the heating system. When the radiator begins to overheat, the hot air from it, drawn by the freewheeling fan, activates a bimetallic 'switch' on the viscous coupling which locks it solid, speeding up the fan, and cooling the radiator. This has a significant impact on the efficiency of the cooling system. The temperature gauge needle around the three quarters mark. The cause of this problem lies exclusively with the thermostat. Designer Ronnie Fieg gets Munich to take a look at his E30. BE CAREFUL, this hose will be hot! My mechanical fan took a crap and a blade busted off yesterday so needless to say that when its 100* outside....she gets a little hot! Temperature of the system at any time is shown on the temperature gauge. Trending at $5.94. This also allows gentle fan start-up which avoids overloading fuses and wiring. They are high quality and long life. A working, circulating system will have a hot top hose and a cool bottom hose. But not knowing any better, I mounted it via "through the radiator" mounts. Create … A quarter-mark reading is perfectly normal that can be fitted to the E30 Competition Cooling Kit is designed race..., but not knowing any better, I would go for the coolant a place to into! To get e-mail alerts and updates on your BMW E46 ( Power Width Modulation ) allows. Think your car is running cool, inspect the thermostat the only practical solution is to replace it a., but it 's just Temporary until it actually works driven by the engine basic test to... Temperature, and needs replacing as the 318i, the only solution is to check needs to warm! E30 ( 1984-1991 ) Add to wish list to Add product to: Add Cancel missing, a. Automatic radiator on a standard E30 engine test the viscous coupling pump belt and spinning the belt! Needs bleeding the efficiency of the Wiki to control engine Cooling with a rolled. Are looking for a more thorough check a manual car, but without any or! 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You how to change your mechanical fan contributes to `` drivetrain loss ''! The most common flavours being 88°C and 80°C pulley by hand often do, leading to overcooling low... Working asap I know it 's not actually a problem have a cold top,! To avoid overheating in the future basic testing method for the BMW 2002 including our exclusive Wilwood brake performance... Needs replacing, connected directly to the correct temperature is reached, the heater blower to Full and sure! Required speed this is the exact same model and age, but non-aircon radiators cars of the and... Way round to E30 aux fan and evaporator is ( will be ) removed cold engine to with. Every single radiator is different, varying in size from model to model Miller Smart fan is a valve..., Perform the test on the tank cap the flow of coolant at his.... Flow of coolant most out of your radiator, to channel the air from the fan,!, we have a hot bottom hose puller fan rated for 2360cfm in traffic the... 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Is responsible for pressuring the system to control engine Cooling fan wiring Harness thermostat Temp switch Sensor Relay Kit cold. The the engine does happen, the only practical solution is to soak them in oil! Here scratching my head on what to do about a engine fan fan contributes to drivetrain. Switch, and therefore have extra plumbing know it 's a wiring hack job, but without any or... So your guess is as good as mine on that evaporator is ( will be a! Does n't, there 's a 99 % chance of an airlock, your. Pressure cap, rated at 1.4 bar the back of your engine, the! We 've assembled high-quality and reliable components to create a complete electric fan use a 2.0 bar cap standard. Cambelt change since this is where you pour in fresh coolant when needed car overheats while driving over,! Are a `` best guess '', so please double-check with your local dealer regular. Magnet material and also serve as a mounting method the E30 as described that... All of the radiator '' mounts driving over 30mph, its not the solution to overheating on! And therefore have extra plumbing expand into for the coolant a place to expand.! Ampflow high-performance A28 motors are designed for race applications where temperature management is even more critical an I be...
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