How To Stop A Cooling Fan That Randomly Turns On/Off (Audi A4: How To Stop Engine From Turning When Removing Harmonic Balancer

Tuesday, 30 July 2024
As an example, for the popular Nissens rads, there is only a single rad listed for all 1992-1995 base 8-valve (non-turbo) 940's as p/n 8602563 (replacing Volvo p/n 8602563 and 8601002). A partially grounded electric cooling fan, on the other hand, may only shoot a small percentage of its supply voltage through a cooling system, and the effect may take months to reveal itself. I set the heater on "high", disconnected the vacuum to the water valve to make sure it was open, disconnected the upper and lower radiator hoses and drained a large quantity of coolant out of the radiator, water pump and overflow bottle.

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Buy it from Dave at Barton Harness. Not 100% sure, but the aftermaket radio is definitely a suspect. Hang new gasket on two remaining studs in engine block. You can attach a hose and run it into a container with about a 2 gallon capacity. Don't forget to pry the pump up toward the head before tightening -- this compresses the top O-ring. Fan Stayed On After Engine Off. I replace the water pump either at a convenient maintenance interval or when it starts leaking at the seal. If the fan works then you probably need a new thermostat switch. Symptoms of a defective fan clutch include: oily streaks on clutch housing; play in the clutch bearing (wobbling); freewheeling (a good fan should not turn more than one to one-and-a-half turns if spun by hand); and binding (frozen).

I replaced the radiator and solved it. You can't remove it without disconnecting the hoses and having a mess, but you can get at the nooks and crannies where the crud is. Volvo fan won't turn off sound. With that thinking in mind I've decided the trade off is worth it and use a black cap in my turbo, but have kept the green cap in my NA. Now, stick the transparent hose into the housing, so that the transparent hose extends forward over the radiator (so discharged coolant doesn't fall into the engine compartment) -- later you'll be watching the appearance of the coolant in the hose before being discharged, a more reliable view than watching the stream of coolant.

Soldering iron with electronic solder. At some point - before you've cut all the way through - the rubber will give way, when you spread the hose. Volvo fan won't turn off battery. Response 3: Don Foster] You ask different people, you get different opinions. You can then lift the ECU out of the way which will reveal the 219 fan control relay. Had to change a bunch of parameters around in the ECM to let it know that there was no longer an automatic trans behind the engine. To remove you can simply undo the two nuts holding the thermostat cover on top of engine at front, the one with the big top hose from radiator connected to it. I did this about a month ago and the car runs a bit cooler believe it or not.

Spray both with silicone or place a little petroleum jelly on them to keep them from binding on reinstallation. Position the fan and slide the nylon rods thru the fan holds and through the radiator. Mike Brown/Walt Posluszny] if the transmission cooler lines won't thread, take off the clip that holds the two lines together back near the engine so that you have a little more flexibility in lining up the fittings. If this doesn't make the fan start then go to the relay and check for power supply on one of the two large gauge wires (one is feed and one is to fan motor, so one should be hot). Install new flanged o-ring on the top of the new pump ("1" in the photo). Fill with coolant, start car, check for leaks, check coolant level after all warmed up. Then try to remove the inner-most nut. Would appreciate any help on how to test the relay (behind the headlight) or suggestions on other possible causes. Oil in coolant reservoir. Maybe a reader can advise).

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There are no preventative measures you can take against its failure. Simpler Design from Dick Riess] I varied the alert light design in the car. Fan control switch problem, its either seeing high head pressure bc of bad switch or broke wire. Luckily I caught the leak early and what I did was clean the water pump seal area and applied a thin coat of Permatex High temperature silicone rtv gasket maker around the seal (the gray silicone shown in the photo at right). Your ECU box is located on the right hand side of the engine bay. Some members suggested getting the fan and related items from a new 92 or newer 7/900 but i did not have the time to investigate and I do not know of any u-pick-it type salvage yards in the New York Area (anyone know of any??

Remove automatic transmission coolant lines; not much oil will drain out, so use a cloth under them to catch that which does. Response: Randy] Look for the block drain on the passenger's side of the block, #4 cylinder back just above the oil pan and in front of the transmission bellhousing. Radiators seems to last longer also. You can find these easily at boneyards: pull the panel, cut off the entire "C" harness connector, and re-use the metal connectors inside. Inquiry] Top of water pump connection gasket seeps anti freeze when overflow tank is filled.

If you don't mind used parts has great prices, and provides low priced shipping. I wasn't completely confident in trying a new "stock" type fan clutch as I figured it still might not handle the high Southern California summer heat so well, so I decided to try Volvo PN 1357433, the tropical (heavy duty) version of this fan clutch. Next, note the meter reading, which should be no more than 0. 25 inch, p/n 64-4040. All coolants contain anticorrosion packages designed to counteract this effect during their service lifetimes. 2008 pro star with isx, fan runs continuously. Chris Stites] Use hop soapy water and a cup of course sand, well shaken. Always blow back to front with air. Fill it half full with hot water and a. shot of detergent, cover the openings, and shake it up. If the one wire is hot touch the two together or carefully short them with a screwdriver and the fan should turn on. Dick's caution about clean mating surfaces is critical, and Chip is absolutely right about tightening carefully and using a cross pattern.

So what do you think? Coolant has to be going somewhere and it is doing so at the rate of about a pint a week. I'm entirely self taught so I did some learning today lol. Plus there is no chance you will accidentally hole the radiator while working on the pump. The bottom of the old tank, the bottom 1/4" or so of the plastic crumbled and. It had a name brand, I think Flex-a-lite or Therma-cool, but it was universal in its application.

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See also Dave Barton's discussion of electric fan conversions in 240 and 740 cars. Be sure to check for intermittent voltage surges generated by the starter during cranking. Inset has lead to swelling and cracking of the plastic. I replace hoses and water valve every eight years and the radiator at year ten. If the integrity of all grounds is sound, fresh coolant has been added and you've still got excess voltage, the association then recommends looking for combustion leaks as a major contributor to the problem. Assembly Instructions: 1. Thermostats must be installed with the small venting nipple oriented upward. It may take some patience trying to wiggle the relay out (the corrosion doesn't help). Tips: - don't overtorque the hose clamps on plastic radiator connections or the coolant line nuts.

If so, you need a Green one. After it's thoroughly flushed, drain all the "garden hose water" in the system by pulling off lower radiator hose and opening the block drains. I used them years ago when i added a tran-cooler to my 72 mustang and it held without a problem. Have you verified system isn't overcharged or have a restriction and head pressure is actually high? From Bob Savasta, Motor Magazine, Nov 2001] If you have repeated heater core or aluminum radiator failures, consider one possible source to be coolant breakdown and electrolysis due to combustion gases from head gasket leaks. Use a backup wrench when tightening coolant line nuts. These rectangular tanks have a steel. This operation can be compaired to an ovens self cleaning feature. Sudden Loss of Coolant and Engine Overheating Incidents. If you have to change a radiator or heater core, use aluminum. When I say "lubricate" I do NOT really mean lubricate. Inquiry:] B230F - I want to flush the cooling system, but the only block drain I see is a threaded male plug on the RH side of the block (kinda high) below exhaust manifold runners 1 and 2. Some instances of severe engine overheating have been reported due to cracking of this reservoir. I insert two bolts to hold the gasket to the pump before mounting.

Over time, these will cause corrosion and material breakdown in radiators, heater cores, hoses, and engine components. The relay control wires are Blue-Black (low speed) and White-Black (high speed) running from the relay to both the ECU and to the AC pressure sensors. The air vent hose is 6. Bleeding Air from the Cooling System.

Be very careful about soldering near the interior of the car: use a metal guard or shield to keep hot solder off plastic, fabric or leather components. Do not forget to tighten the power steering fixing nuts. Or, connect to a power supply that is only powered when the car is running (actually when the key is in the run position... ) With either power supplies, use an in-line fuse (I am not sure how one decides the fuse amps to use. Then put a little ATFon the threads to lubricate them and move the trans line around with one hand to orient it 90 degrees to the fitting while screwing in the fitting with your other hand. Ac can switch the fan via j1939 and the engine can switch it via a pin. Hi my car its vw jetta 5, 2007 2L the fan run non stop even when the engine is off and its finishing my battery where is that parts location give me some information about it thanks.

The above process helps you do it easily without any hassle. As a result, opposing forces are applied to the crankshaft, creating a dangerous resonance phenomenon. Performance Mods: S52 Cams / M50 Manifold / Conforti CAI / Conforti Shark for S52 Cams / Borla Exhaust / UUC Pulleys / ASC Delete / Fan Delete / Bilstein + H&R Sport / Turner Adjustable Rear LCA's / UUC RTABs / ZF Auto-Manual Conversion / 3. You'd still have to use a breaker bar to make sure that the harmonic balancer stays in place and you can get the bolt loose. If your threads are messed up, I don't know what to say… the crank might be irreparably damaged. How To Stop Engine Spin When Removing Harmonic Balancer. When this component fails, it can cause a range of issues. MB part number is 112 031 00 71. Essentially you are robbing power to these, so as you can redirect power to the rear wheels). 1. take off the inspection plate for the auto and get an assistant to jam a big screwdriver in the ring gear on the flywheel to stop it turning. Blue loctite to re-install, only use red if you have no intention of anyone being able to get it off ever again. How to stop harmonic balancer from turning. Cracking the thread lock takes a substantial amount of effort, so it is recommended that a very long breaker bar is used for this step. Probably the best way to get that bolt off is with an impact wrench. Now it is time to install the new harmonic balancer.

How To Stop Engine From Turning When Removing Harmonic Balancer 4 7 Dodge

"When tolerance becomes a one way street, it leads to cultural suicide. Hi all, As the title suggests, does anyone have any solutions on how to crack the nut on a harmonic balancer without cranking the engine? Illuminated Check Engine Light. If you change the harmonic balancer yourself it will typically cost you around $150. Last edited by adamlee05; 04-17-2009 at 10:50 PM. The continuous stress and strain on the balancer create cracks over a period of time. Loosen the tensioner on each belt to do it. How To Stop Engine Spin When Removing Harmonic Balancer. It will compress the balancer down the shaft without damaging the engine. Ensure that the washer remains in place, and if possible do not loosen the washer.

How To Stop Engine From Turning When Removing Harmonic Balancer Without Tool Videos

When you find out that your car's harmonic balancer has been damaged, it becomes imperative to remove harmonic balancer from the car and replace the new. That's where the role of balancer comes into play. I used a breaker bar, with some square bar placed over it for leverage).

How To Stop Engine From Turning When Removing Harmonic Balancer Bolt 2004 Honda Civic

Our certified mechanics come to you ・Backed by 12-month, 12, 000-mile guarantee・Fair and transparent pricing. Tom: The bad thing about the Internet is that they could all be 12-year-old girls at a slumber party who got tired of the AOL chat rooms that evening. How do i do this to get to the other bolts? W215 CL500 00-06 1120350900 MERCEDES HARMONIC BALANCER. For mine I just had the flywheel locking pin in place and used a 1/2" drive breaker bar with a long jack handle as an extension. These components are usually the alternator, fan, and power steering. 8 liter engine that has what her mechanics call a "bad harmonic balancer. " I recommend the G&G Technics Balancer Removal Tool (GGT-180). While changing a harmonic balancer is no 5 minute job, removing the old balancer is easy with the ToolPro Harmonic Balancer Puller. How to stop engine from turning when removing harmonic balancer dodge 2 5. This is the central bolt that secures vibration damper to the engine crankshaft. And without it, you can do damage to the crankshaft and the engine bearings. If your vehicle has a two piece pulley and harmonic balancer, remove the bolts retaining the pulley and separate the two. Forget the lock pin, forget the special tool. Another way, if it's not a manual shift tranny, is to take the starter out.

How To Stop Engine From Turning When Removing Harmonic Balancer 2006 Ford Explorer

Taking a piece of steel and cutting it to match the shape of the bolt and holes, you can tighten the harmonic balancer. Take out one of the spark plugs... makes no difference which one. Using a wrench, I gradually torqued down the nut, which gradually forced the balancer down the crankshaft. Standard washers will bend and warp with almost no resistance, and even my high strength washer bent a little under the load of the compression. How to stop engine from turning when removing harmonic balancer 02 a4 1 8. Let's watch it in action.

How To Stop Engine From Turning When Removing Harmonic Balancer 2009 Subaru Outback

Mercedes Harmonic Balancer Removal Tool. I thought maybe once I put the spark plugs in there would be enough pressure to hold it, but no dice. B) Use the starter motor and a breaker bar to crack the balancer bolt. Wood is not going to cut it, as wood will flex, dent, and as you have seen break. Pull the hood release on the lower left corner of the dashboard. How to stop engine from turning when removing harmonic balancer 2006 ford explorer. You can use a breaker bar and turn the engine over to remove the bolt.

How To Stop Engine From Turning When Removing Harmonic Balancer 02 A4 1 8

Step 4: Loosen the crank pulley bolt. So you really do have to replace it. You can also have a custom puller made for your vehicle for a fraction of the price if you don't already have this tool. The balancer was loose this will be damaged. It allows the paint to coat the bottom of the groove. You could probably rent an electric one for an equipment rental place.

How To Stop Engine From Turning When Removing Harmonic Balancer Dodge 2 5

What are the signs of a bad harmonic balancer? These two engines are installed on many Mercedes-Benz models manufactured between 1995 and 2005 including E-Class, C-Class, S-Class, ML-Class. It can also be removed conventionally. Dorman is not Chinese, it is a US company, the headquarters are in PA, listed on the NASDAQ as DORM.

I have tried my Impact gun, heating it, liquid wrench and no will just will use a lond breaker bar. Don't hold me to it, I'm tired and pulling those numbers off the top of my head. Car Engines create massive power and vibration. In an oven to 190° F to help expand the dampener. First thing first, begin with removing the serpentine belt connecting both engine and harmonic balancer attached to the crankshaft. If you do break tools you could try a powerbar - do a search for more info on it. The nuts and washers (an assortment of 5/8″ up to 1″ diameter interior hole washers were used) are easy enough to obtain at any decent store, but it is imperative to obtain Grade Eight washers. Symptoms of a Bad Harmonic Balancer. Tried a variety of methods and think I finally just blocked the crankshaft since the pan had to come off anyway.

Our certified technicians are ready to answer vibration. As the bolt is a right-hand thread, it'll start to loosen up as you turn the engine. Once the pulley was removed, the rubber layer showed obvious wear and tear. And no I don't want to crank the engine while proping the breaker bar against the ground or top of engine to loosen bolt. Speaking of cranking motor and using breaker. It was slow but worked.

Is there a trick to tightening a harmonic balancer (without the motor turning over)? The great thing about the Internet is that you can have instant access to millions of experts all over the world. I'm wondering because a friend of mine's 4GFC engine (AE92 car) needs a new harmonic balancer (current one wobbles) and I was hoping to pick one off a wreck. Tighten the crankshaft balancer bolt a final pass. It only told me where the three mounts were. Without the balancer dampening unwanted crankshaft vibrations, engine failures, such as worn rod bearings and a broken crankshaft, may result. You can borrow air compressors and impact guns if you don't have them. Pro Tip: There are usually different torque settings you can go for depending on the gun you have. Due to heat, the age of vehicle and normal wear the rubber fails, causing excessive crank pulley vibrations and even catastrophic failure in some cases. Put key in ignition.

Im very thankfull to any advice best regards Robert. Or if you have some lying around that's even better. For re-assembly I added some red loctite and did the reverse.