When it comes to your mini cooper, you want parts and products from only trusted brands. Jul 23, 2009 i am getting a coolant leak from the coolant expansion tank vent on my 2003 bmw 525i e39 which triggers a low coolant warning message. Belt driven coolant pump bolted to the right side of the engine block. Mini cooper coolant tank cap radiator cap oem gen1 mini mania. Many individuals make the mistake of continuing to drive with excessive engine temperatures and, as a result, cause costly engine damage that otherwise would not have occurred. A turkey baster or oversized syringe works well to remove the coolant in the tank to minimize spilling. The coolant expansion tank is different on the nonsupercharged cars.
Choose top quality brands ac delco, apauro parts, api, febi, genuine, motorad, stant. Engine coolant circulates through your engine to keep it cool in the summer but wont freeze in the winter. I also have a haynes manual, which says the mini uses a phosphate and nitrate free coolant. Buy oes genuine expansion tank cap for select mini cooper models. Mini cooper expansion tank replacement issues and solutions. I had to replace a friends expansion tank on her 2003 mini cooper s. Mini cooper radiator overflow expansion tank bottle cap 17 10. As the engine coolant temperature rises, the coolant expands, and the radiator cap. Your vehicles mini expansion tank permits the gas in the radiator to increase with the heat and pressure. Suction out any coolant inside the expansion tank and then remove the 10mm nut that secures the tank to the bulkhead next to the power steering fluid reservoir.
Buy aluminium radiator coolant water overflow expansion tank reservoir for mini cooper s r52 r53 polished. How to test the radiator fan on a mini r50 2002 2003 duration. In a pinch, you can even use a bulbstyle antifreeze tester hydrometer to suck up the coolant for proper disposal. These were known to crack and fail causing your coolant to leak or boil over. Radiators free delivery possible on eligible purchases. Coolant recovery bottle caps free delivery possible on eligible purchases. Mini cooper coolant tank alloy expansion tank gen2. But in the history of the mini cooper the reality is the coolant expansion tank is the center of attention. Understanding the mini cooper cooling system overview is important for the. Radiator tank overflow coolant expansion bottle tank for mini r52 r53 cooper s ebay. This didnt fix my problem but not the fault of the pressure sender. Were here to help you find that perfect coolant reservoir cap for your mini cooper. Mini cooper radiator cap best radiator cap parts for mini. Mini factory replacement radiator expansion tank or coolant overflow reservoir for the 2nd generation mini models.
Refer to your cars owners manual before attempting to put coolant in it. I am getting a coolant leak from the coolant expansion tank. Hi ive had a problem with my coolant tank mini cooper s 2003 ive replaced the tank but the water keeps coming out by the cap and the water is bubbleing and im worrying please help. However, the replacement procedure is basically the same. Here at advance auto parts, we work with only top reliable coolant reservoir cap product and part brands so you can shop with complete confidence. The car has been to the dealer three times before today and now a 4th time today. Mini cooper coolant reservoir cap auto parts warehouse. I found a related question, can a loose radiator cap cause p0420.
In the very early days of the automotive industry the cooling system only consisted of a radiator and a water pump. In this video, i will show you how to check the engine oil cooler on a vw along with many other tips that will help you find out how oil is getting in your coolant overflow tank. Did the usual tests, pressure check, replaced overflow container cap when tested it by running the car for 12 an hour and saw the collant bubble out of the top. We also carry a full line of aseries parts for your morris, sprite or spridget. Mini cooper expansion tanks what are the issues and solutions.
New alloy coolant expansion tank install mini cooper s r53. Make sure to check your engine when it is cold for an accurate reading. Jan 15, 2016 mini cooper r53 coolant expansion tank failing nixnguyen. If you work on your cooling system yourself, check the service manual closely before adding fluid. If the cap fails to hold the rated pressure, replace the cap. Available are ecsassembled and genuine mini replacement options. Coolant recovery kits free delivery possible on eligible purchases. Mini cooper s coolant tank upgrade replace that old cracked plastic tank with a new aluminum version. The owners manual says to check with the dealership about coolant type.
Always check the radiator expansion tank when replacing a faulty cap. Bmw e46 e53 x5 coolant expansion tank removal and fix 320i 323i 325i. It is not necessary to fully drain the cooling system, but the expansion tank itself does have to be drained of coolant. It was a simple fix and took about 15 minutes to replace. Bmw coolant expansion tank and transmission thermostat diy. It has blue coolant, which i assume is the original factory or dealership coolant. Nov 08, 2010 my daughter has a 2006 mini cooper and has a recurring coolant problem. Mini cooper coolant reservoir cap advance auto parts. The seam along the center of the tank had cracked and was leaking coolant. Signs your radiator cap needs to be replaced repairpal. When working properly, the radiator cap provides a tight seal that helps.
The gen 1 mini r50, r52, r53 suffers from a flaw with the plastic pressure tank. Girlfriends mini cooper is coming up to 4 years old and i have had to top the coolant up a couple of times in the 11 months we have had it. The delivery date is not guaranteed until you have checked out using an instant payment method. Mini cooper r50 2001 2007 03 coolant looks like chocolate. For the 1st generation mini cooper s models including 20022006 r53 hardtop and 20052008 r52. Radiator tank overflow coolant expansion bottle tank for mini. Identifying a faulty radiator or expansion tank cap gates europe. Mini cooper coolant reservoir cap your mini cooper will be happy to know that the search for the right coolant reservoir cap products youve been looking for is over.
If your guaranteed delivery item isnt on time, you can 1 return the item, for a refund of the full price and return shipping costs. One failure mode associated with dirty coolant is known as electrolysis. The forge polished alloy tank is a directfit replacement for the factory unit, and completely resists the cracking and fading of the original part. The coolant expansion tank is different on the nonsupercharged. As the coolant heats up, it expands and builds pressure in the system up to the point of the caps rated maximum pressure. This febi product is designed to help you restore your engine cooling system to its mint condition, so your motor can run within the proper temperature window.
I have some of the standard green ethelyne glycol based coolant, the bottle of which claims it is compatible with all. This video will guide you through the main steps of replacing your coolant expansion tank. Id recommend to start at the coolant reservoir cap. Sep 30, 2014 bmw coolant expansion tank and transmission thermostat diy. This allows the system to operate efficiently without boiling off. Cooling system issues can damage your engine in a hurry if not promptly tended to. Buy a 2006 mini cooper expansion tank cap at discount prices. Choose top quality brands apauro parts, contitech, genuine. The 2003 mini cooper has 16 nhtsa complaints for the engine and engine cooling at 30,349 miles average. Mini cooper coolant leak page 1 new minis pistonheads. Replace the coolant pressure cap, check the plastic expansionheader tank for splitsleaks and the bottom front corners of the radiator for leaks. Jun 02, 2015 6 most common repairs on the bmw e46 3 series if you own, or are thinking about buying an e46 3 series that were manufactured from 19992006 there are some things to look out for or keep an eye on.
Mini cooper r56 coolant expansion tank replacement 20072011. Mini cooper expansion tank replacement issues and solutions one of the weaker links in first generation mini coopers is the plastic coolant expansion tank. Mini cooper base 2003, engine coolant expansion tank by febi. Expansion tank cap cap pressurizes the system to 1. Ecs is now offering a full kit expansion tank replacements for the mini r55r56r57. Adding engine coolant also known as antifreeze to your 2003 mini cooper is pretty easy. Sep 04, 2012 radiator or expansion tank pressure cap the cooling system radiator cap not only keeps the system closed, but allows a buildup of pressure in the cooling system. Identifying a faulty radiator or expansion tank cap. The coolant expansion tank is different on the non supercharged. Bmw and mini diy overheating cooling system diagnostics. Mini cooper coolant maintenancerepairs car talk community. It could mean the cap is failing to maintain the correct pressure. Mini cooper and mini cooper convertible 1 reservoir for windshield and rear 4 engine oil filler neck 7 reservoir for headlamp cleaning window washer system system 5 battery 2 vehicle identification number 8 engine oil dipstick 6 brake fluid reservoir 3 coolant expansion tank online edition for part no. Mini cooper radiator cap best radiator cap parts for.
Failure to do so could cause a complete loss of coolant and perhaps even engine damage. Start engine and run at idle speed, until coolant level in the pressure cap neck ceases to drop. Mini cooper r56 draining and filling cooling system 20072011. The way the mini expansion tank cap is designed makes it easy to make the. Fill via the filler pressure cap neck closing bleed screws as bubble free coolant emerges. My question is, the manual says to separate the hose along the bottom of the radiator and letting it drain. Mini cooper r53 coolant expansion tank failing youtube. Mini cooper aluminum expansion tank r50, r52, r53 m7speed. Check out free battery charging and engine diagnostic testing while you are in store. Advance auto parts has 3 different coolant reservoir cap for your vehicle, ready for shipping or instore pick up.
The gen 1 mini r50, r52, r53 suffers from a flaw with the plastic pressure tank mounted directly above the exhaust manifold. Nobody will give you a better deal on dependable mini accessories than we will year in and year out. Mini cooper r53 coolant expansion tank failing nixnguyen. Mini factory replacement cap for the radiator coolant expansion tank on your 2nd generation mini cooper and cooper s models including r56 hardtop r55 clubman r57. Hope you guys enjoyed the video and found it informative. Read our guide on what it means when coolantantifreeze bubbles in the. Its an easy job to replace and the parts are not expensive. The coolant is clearly coming from the plastic vent screw on the expansion tank not the nearby hose. Also checkreplace the thermostat and its housing complete, all are very common failure points on mk1 new mini cooling systems up to 2006. Mini factory replacement cap for radiator expansion tank. Oes genuine expansion tank cap for select mini cooper models.
Make, acura, audi, bmw, buick, cadillac, chevrolet, chrysler. For normally aspirated models cooper remove the right side. Buy aluminum coolant reservoir tank w new 16 psi cap fits 0206 mini cooper s r53 0508 convertible r52s. See how to add engine coolant antifreeze to a 2003 mini cooper 1. Hey guys so in todays video i finally fixed the coolant leak on my car. A little background may be helpful in understanding why this is the case.
The 1st time at 32,000 miles the dealer replaced the thermostat. Genuine mini 17107515499 expansion tank cap 17107515499. Your mini cooper needs antifreeze, also known as coolant, to prevent your. We love when auto parts experts come to our site and we love when car parts newbies come to our site. New mini cooper expansion tank cap 17 10 7 515 485. It may have caused a dangerous buildup of overpressure causing bursts or cracks which ultimately lead to leakage. The mini r56 cooling system is filled through the plastic coolant expansion tank or coolant reservoir at right front of the engine compartment. Shown here is a new coolant expansion tank with cap for the mini. Cooling systems are under pressure to increase the boiling point of the coolant. Can the coolant evaporate through the loose cap, requiring filling up the coolant. Buy a 2003 mini cooper expansion tank hose at discount prices. Buy a 2003 mini cooper coolant hose at discount prices.
Mini cooper expansion tanks are available and some models have aftermarket plastic versions available as well. Car complaints, car problems and defect information latest news. Eventually your oem tank will fail from the heat guaranteed. There are a number of various parts that make up the cooling system on any mini cooper. Ill give it ago buying a new expansion tank and see if that works. If the coolant tank has a cooper s, the cap will unscrew.
Whether its a faulty pressure cap or crack in the engine block, if the. Bubbling coolant in expansion tank fixed mini cooper. This part supplied from parts geek was an exact replacement and looked factory stock. For mini cooper engine coolant reservoir cooper s r52 convertible 1. This escaped air causes bubbling in the coolantantifreeze reservoir, which can. Is it possible that the engine overheats if the radiator cap is slightly loose. Aluminium radiator coolant water overflow expansion tank. Mini cooper r53 coolant expansion tank replacement.
Coolant leak problems, questions and technical the mini forum. Instead of being located on the front, near the radiator, the tank is actually at the back center of the engine. The problem was a faulty coolant overflow tank cap. The most often though of in most cars is the radiator.
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