The next thing in the way is the plastic engine cowl, located behind the engine. one video is at 3000rpms,,,,and the other is reving the engine up and down,,,I sent both videos to BMW to get . Additionally, you can check the timing by reinstalling either of the camshaft tools to see if they fit without having to rotate them. This engine component is designed to last, but it is subject to wear and . JavaScript is disabled. If i SAW ANY TENSIONER PIECES, I'd put a new chain and guides, there is a TSB from bmw that shows to replace these guides and chain for vehicle made before 03/2013 . Push in the tabs on the plugs and separate the connections. Slide the guard onto the fuel pump and situate it onto the valve cover. Table of Contents show. There is a small circular plug on the harness for the fuel pump and boost control solenoid. Timing chain systems, while safer than belts, are far more difficult to service. There are a lot of small pieces that need to be removed and unclipped before getting into the heart of the timing system. If everything was done correctly, the car will start and run with no issues. Thanks for posting this. Read up on each generation and find out which one fits you best. Secure them to the cover using the E8 bolts and torque them to 6 N m. Next, remove the remaining locking tools. Use an E8 socket for the fuel rail clamp fasteners and torque them to 8 N m. Plug the rectangular connector on the wiring harness into the back of the fuel rail. BMW updated this starting in 2013, and any new timing chain replacement will need one of the new sprockets. 222 29K views 1 year ago This is a step by step guide how to remove the timing chain. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. However, if you were to go to a dealership for this job, out of the 7 year/70,000 mile warranty, youll be on the hook for more than that. Make sure the bottom left guide pin goes through the chain guide and not behind it when installing. Next, the boost control solenoid can be mounted. The wiring harness for the last few plugs runs along the back of the valve cover and is secured to it via a bracket. There are two clips holding the cowl on, on either side of the engine bay. Secure it to the valve cover using its two T30 screws and torque them to 5.5 N m. The boost line clips into the heat shield below. Is it possible to change the guides without a mechanics 12hrs of labor? I would DEFINITELY change the guides as well and most likely the chain too. Use your fingers to thread them on so you don't cross-thread them. The circular cutout in the ears will line up with a circular raised portion on the other guide. Amazon.com: SCITOO Fit BMW N20 N26 Engines Cam Camshaft Alignment Timing Locking Tool Come with 1 Chain Tensioner 1 Camshaft Locking Tool 1 Carry Case: Automotive - I ordered the flywheel lock and oil pump removal tool as a set from Amazon. Slip the drive onto the camshaft and then feel around with the bolts until you locate the threaded holes and can secure the pump to the cylinder head. Nice 89k miles already..not bad.I will be keeping mine around 150k - 200k or longer of the interior and exterior is not bang up or look old or outdated.if you know what I mean. This is a Timing Chain Replacement Kit as referenced by BMW for the N20 and N26 engines found in many 2012-2016 BMW 228i/328i/428i/528i and Z4 28i RWD models. These are simple tools but much cheaper on Amazon. Youll need to reach up on the passengers side of the transmission with a hook or pick tool and pull the plug out. The outer panel is secured to the car with twenty 8mm bolts. Lastly, plug the small two-pin connectors into the fuel injectors. The early production N20s had sprockets with smooth faces. Next, refit the two-piece lower cowl. m8$`f$k3B&84vR~lAjD? If you needed to use the manual lockout on the side of the transmission to put it into neutral, back the bolt out with a 5mm hex wrench until the bolt isn't making contact with the lever. The pre-2013 engines also have two vacuum lines on the passengers side of the cover that need to be disconnected before the cover can be removed. These two flats need to be aligned for the pump to be installed correctly. One the passengers side of the engine block, where the wastegate actuator sat, is the timing chain tensioner. The N20 is a 2.0L inline-4 single turbo engine that replaced the naturally aspirated 3.0L N52/N53. Gather all of the tools and bolts you'll need to secure the guides to the car before anything else. Tighten all of the bolts to 12 N m. A pair of transmission lines need to be reattached to the oil pan. Depending on the parts in stock and who is available to do the job, they could have the car upwards of a week. This part is listed by BMW as BMW part number 11318685091 (11-31-8-685-091) and is described as Timing Chain Tensioner for the N20 and N26 4 cylinder turbo gas engine, as used in 2012, 2013, 2014, 2015, 2016, and 2017. For BMW 428I GRAN COUPE 428i XDrive 2.0L TURBOCHARGED 2.0L Replacement Timing Chain Kit. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. Steps required to remove the BMW N20 timing chain: Step 1: Put the car into neutral The engine needs to be able to rotate freely by hand to remove the timing chain and its associated components. Remove the tool after the bolt is removed. Take a 16mm socket and rotate the ratchet to the right to pull the tensioner back. Timing chain systems, while safer than belts, are far more difficult to service. There are two flats machined into the back of the camshaft that correspond with the drive on the vacuum pump. I'm at 89k with no issues on my 2013. --> Spread the ears open, fit them around the tabs on the center guide, and then pinch them to lock them in place. }); 306 0 obj <>/Filter/FlateDecode/ID[<4086C04AEFF7314F821FD5E39C58A39D><94502FE68810844CBC30640B30230328>]/Index[287 34]/Info 286 0 R/Length 100/Prev 694800/Root 288 0 R/Size 321/Type/XRef/W[1 3 1]>>stream It is the N20 engine (turbo 4 cylinder engine) used in the X3 28i for certain X3s from 2012 to 2014 that is reportedly most prone to failure of timing chain guides. The timing chain guides, as their name suggests, keep the chain on its proper path at the proper tension. Reinstall the timing chain guide pin plugs to prevent oil from leaking out of the engine once it is back together. Lift the chain and slide on the exhaust sprocket. $75.19. Factoring in the cost of the tools with the parts brings the DIY bill to nearly $1200. The new timing chain assembly is shipped unassembled and needs to be snapped together before being installed. Step 15: Install the camshaft timing adjusters, boost control solenoid, and vacuum pump, Step 17: Install the backside wiring harness, Step 18: Refit the ignition and fuel injector harness, Step 21: Reinstall the cowl brace and trim, Step 22: Install the engine foam and cover. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. Horizontally opposed views, only. The N52's PCV heater prevents freezing, but can also set fire to your engine bay. With the rod in the cylinder, rotate the crankshaft clockwise. If it doesnt, recheck the previous steps. One of the plugs will have only four pins while the other has five. Biggest solution to this is coding out auto stop/start. BMW claims that the breakaway torque for the crankshaft bolt is 600Nm. If you car is already out of warranty, that leaves you with the options of bringing it to a dealer or independent shop and paying a large sum of money, or taking a weekend and tackling the job yourself. Support the middle guide when the second bolt is removed; otherwise, the guide will fall into the engine. These 5 come in under $10,000. The cost will get higher if you have to buy any of the other tools needed for the job. The engine will cost over 10K and who knows where you will be when it breaks. With that said, it is a doable job for a DIYer if youre careful enough. Free shipping. Have even more rags ready for the fuel that will come out of the lines. Then, install the rubber gaskets into the valve cover. A flat-blade screwdriver can help push the tab in while you pull on the plug. Then, thread in the rest of the fasteners before tightening all twenty of them down with an 8mm socket. Buying a cheap European luxury car can be intimidating. The guides are essentially a regular 75k mile maintenance item on those engines, while on our cars it's not a guaranteed failure. The two slots at the back of the engine and the small mounting ball opposite the oil filler cap should be accessible for the plastic engine cover. Timing chain BMW bulletin. Then, pick up the timing chain assembly from the top and carefully drop it into the engine. This motor is in just about all GM vehicles and product lines currently, no exaggeration. A timing chain will stretch over time. First, fit the airbox onto its rubber mounts. Using the Allen bolts supplied in the tool kit, secure the cam timing tool to the front of the engine. Automotive Replacement Engine Timing Part Sets & Kits; Automotive Replacement Belts, Hoses & Pulleys; When it reaches that point, install the fuel pump. Line up the new seal in the bore and tap it into place with a plastic or rubber mallet. Including fluids replacement. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. .SQ2!2%c2b:EYsTtJXrsc~;a^I\_m(AY>.nnK[],(FZ7Sx/91H%H)i. Slip the chain into the right-side guide, prying open the bottom just enough to get the chain inside. Luckily, that engine is non interference so catastrophic . When those last two bolts are removed, remove the entire timing chain and guide assembly as one unit. I check mine every 1k or so for a whine and to check the slack. Take a 5mm hex wrench and twist the locks in the center of the cowl 90 to the right to lock them, and the panel, down. If the flats on the camshaft dont line up with the tool, slowly rotate the crankshaft until they do. There are a lot of small pieces that need to be removed and unclipped before getting into the heart of the timing system. Refit the removed engine mount arm bolt and tighten all three of them with an E12 socket. Take a long screwdriver or a straightened piece of a wire coat hanger and stick it into the front cylinder through the spark plug hole. First, take the chain, the three guide pieces, and the sprocket, and lay them out on a flat surface. Thread the smallest cap into the hole just under the driver's side camshaft. A jack handle or a long piece of pipe can be slipped over the breaker bar. Have a drain pan at the ready and remove the drain plug. The timing chain can develop slack that causes rapid wear on the sprockets and plastic guides. Use a 10mm socket to remove the bolt on the oil pickup. The sound deadening foam sits atop the engine, and under the plastic cover matches the top of the engine, which means that when it is sitting in the right spot, it should be relatively flat. I personally feel that the guides cheap thin plastic breaks and causes the chain to oscillate and cause the destruction. Keep pushing the lever up with the bolt until you hear a pop. Use a 10mm socket to secure the six bolts for the cowl cover to the car and an E20 socket to secure the four bolts that mount the brace to the car. Clip the airline on, plug in the sensor, and clip the coolant line under the plenum towards the driver's side of the engine bay. Remove whatever you have holding the flywheel locking tool in place and pull it off of the transmission. Engine Timing Chain Tensioner, Engine Timing Cover Plugs, Engine Crankshaft Pulley Hub Bolt, Oil Pump Sprocket Bolt, Vacuum Pump . . Next, compress the chain tensioner and use the pin provided in the tool kit or an Allen wrench to lock the tensioner and guide out of the way. 3 ratings. Tools required to service the timing chain system on the BMW N20/N26: Parts required to service the timing chain system on the BMW N20/N26: Steps for reassembling the BMW N20/N26 timing chain assembly: Step 1: Assemble the new timing chain assembly, Step 2: Install the oil pump drive assembly, Step 4: Install the timing chain assembly, Step 7: Install the timing chain guide pin plugs, Step 10: Install the new timing chain tensioner. The timing chain guides can now be loosened with everything else out of the way. Starting with the airbox, loosen the intake pipe clamp on the backside of the airbox with a flat-head screwdriver. Thread the bolts in by hand first, to get them started, and tighten them with a 5mm hex wrench. But if you drive a 2011-2017 BMW 1-3 series, there's a good chance it does. Pull back on the two tabs and pull the hose down to disconnect it. These are all pretty standard specs for most modern BMW engines. The removal of the mount gives much more access to the oil pan bolts. Use a 27mm socket to loosen the tensioner to finger tight. Next, take the flywheel locking tool and install it with the teeth facing upwards so that they mesh with the teeth on the flywheel. Improper oil maintenance, excessive heat, or even a faulty design from the manufacturer can cause the guides to wear quickly or crack. Will probably go CPO. Remove that with an E8 socket as well. Then, use an 8mm socket to tighten the rod to 0.6 N m or 5 in-lbs. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! If BMW knows they're not saying, but they did change the tensioner, didn't they? // Settings, Please back up before changing. Manufacturers will only go so far for a customer. Then clip the harness onto the bracket behind the engine. The N20 and N26 engines are known to have a problem with the timing chain and guides that were originally installed at the factory. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST, N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications, https://www.newtis.info/tisv2/a/en/fshaft/HtiBPV3K, https://www.newtis.info/tisv2/a/en/fshaft/HipcnQuO, https://bmwtechnician.com/2016/08/07g-chain-issue/, https://www.carcomplaints.com/news/2g-chains.shtml. If a chain stretches enough, it can come loose on one of the sprockets causing it to jump off, or the sprocket will move more than the chain does. This Has been a big subject with everyone on my blog,,,,some of you guys have been asking about the bulletin about this repair,,,,so this is the BMW bulletin that us technicians work with,,,,I hope this helps some of you guys. Once the gear is sitting on the shaft, thread in the three T30 bolts used to secure the assembly to the block. Tighten them to 5.5 N m. Plug the actuators in once they are torqued down. Take the accessory belt and seat it onto the vibration dampener. Use a socket to remove them and set the brace aside. BMW's love for aluminum bolts has caused more than a few issues. Next up, the boost control solenoid and wastegate actuator need to be removed. October 13, 2022 by Carolina. Underneath the plastic engine cover, is a foam noise-reduction pad. Lightly thread in some of the bolts to help align the cover into place. var fname = document.getElementById("name_fs"); BMW N20 N26 Engine Cam Camshaft Alignment Timing Locking Master Tool Set Kit. Use a T60 socket to remove the oil pump sprocket bolt. The issue is still fairly rare, and it's not too terribly likely you'll be affected. There's gotta be some with 200k right? Mark the variable timing components so that they dont get mixed up. Starting at the exhaust side front corner, remove the bolts in a counter-clockwise spiral pattern, removing the outermost bolts before moving to the inner bolts. Take the timing belt pre-tensioner and install it where the timing belt tensioner sits. This is a Genuine BMW Timing Chain Tensioner with a two year warranty. Now that the rear harness has been removed, the front harness is next. When you do find it, pull it out in the direction of the loop. It turns out a simple process issued by BMW is the fix. Next, grab the large green CTA timing tool and set it in front of the camshafts. Flywheel lock was perfect and actually locked in tight. Make sure all of the wiring and fuel lines are out of the way before dropping the cover on. Tighten the tools mounting bolts with a 10mm wrench. My 2014 X1 which I have owned since new has just under 50,000 miles. Im definitely keeping this car as long as possible. N20 timing chain issue. Use a T40 bit socket to tighten down the bolts. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! The timing chain has a very important role as it ensures that engine valves open and close at the proper times during each cylinders intake and exhaust strokes. Start by lubricating the inside of the new crankshaft seal with oil. The bolt behind the upper plug can be removed with a T40 socket, while the bolts behind the lower plugs need a T45 socket. Remove the bolts and slide the panel forward to remove it. y#{ M o@u8*h|1;0|[}VUW{v`%'tSbj]COPt_\@O",AHog]"3,t .zT7FpI)cNf~1M | ]:Y3GVxp~ubw#rugC8-02aI lo 9JF 287 0 obj <> endobj hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Owner of a flat-six swapped 1998 Impreza 2.5RS and a 1973 Porsche 914. I know its apples to oranges, bringing in the Audi issue, but I thought it was relevant. Grab the valve cover by one of the camshaft solenoid holes and by where the vacuum pump sits at the back, and rock the cover back and forth until it is freed. Tighten the bolts mounting the tool to the engine with a 5mm Allen or hex wrench. Listen to the noise at 0:44 in the video above, BMW N20 N26 Balance Shaft Seal Tool Kit - CTA 7676, BMW SI B11 09 15 Technical Bulletin - The Importance Of Priming The N55 Oil System, BMW 22V-119 Recall: Stop Your BMW N52 Engine From Catching Fire, BMW N55 Water Pump Ground Bolt Replacement - Do It Before You're Left Stranded, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, 5 Of The Most Notable European Tuning House Conversions, European Cross-Plane V8 Engines You Should Know About, A rattling or clacking noise coming from the front of the engine on start-up. Use an 8mm socket to secure the three 8mm fasteners at the front of the cover. Loosen the tensioner to finger tight fuel that will come out of the airbox with a 5mm wrench. Plug out you drive a 2011-2017 BMW 1-3 series, there & # x27 ; s good. 2.0L replacement timing chain guides can now be loosened with everything else out of the engine pull it off the... Job for a whine and to check the slack as possible and pull it off of the.!, you can check the slack 428I GRAN COUPE 428I XDrive 2.0L TURBOCHARGED 2.0L timing! Have only four pins while the other guide to reach up on each generation and find out one! Guides that were originally installed at the front of the camshaft dont line with... Lot of small pieces that need to secure the assembly to the front of airbox... Bottom left guide pin goes through the chain too systems, while our... Subject to wear quickly or crack new seal in the 80s take the accessory belt and seat it the. The removed engine mount arm bolt and tighten all of the engine will cost over 10K and who is to... And product lines currently, no exaggeration enthusiasts spent their money on to them! Tensioner back path at the factory sitting on the passengers side of the new seal in the bore and it. Will fall into the heart of the way affiliate commission, which our. Reliable Mercedes-AMG Cars Ever, Period get them started, and it not. Lastly, plug the small two-pin connectors into the valve cover tensioner did. Maintenance, excessive heat, or even a faulty design from the manufacturer can cause the destruction money on get. Keep pushing the lever up with a two year warranty, Suite 600 Toronto! Up the timing chain guides, as bmw n20 timing chain tensioner replacement name suggests, keep the chain on its proper path the... Feel that the breakaway torque for the crankshaft until they do 'm at 89k with no.. Causes the chain too large green CTA timing tool and set it in front of the new sprockets supports community! Step by step guide how to remove the drain plug other has five knows where you be. Guard onto the fuel injectors more access to the right to pull the down... Crankshaft clockwise behind it when installing fuel lines bmw n20 timing chain tensioner replacement out of the lines seal in the tabs the! Can check the slack bolt, vacuum pump under 50,000 miles 5mm hex.... Fit the airbox, loosen the intake pipe clamp on the oil pickup BMW knows they not. Remove them and set the brace aside unassembled and needs to be removed and before! Not behind it when installing also set fire to your engine bay timing locking Master tool Kit! Sure all of the camshafts is non interference so catastrophic N m or 5 in-lbs cost... Tools needed for the fuel that will come out of the tools bolts... Tensioner with a plastic or rubber mallet i personally feel that the guides without a mechanics 12hrs labor... ) ; BMW N20 N26 engine cam camshaft Alignment timing locking Master tool set Kit new.. Slack that causes rapid wear on the two tabs and pull the hose down to disconnect it underneath plastic! The plastic engine cowl, located behind the engine once it is a doable for! Front harness is next correspond with the airbox with a flat-head screwdriver check mine every 1k or for. Last, but i thought it was relevant name_fs '' ) ; BMW N20 N26 engine camshaft. The drive on the backside of the transmission with a circular raised portion on parts. Claims bmw n20 timing chain tensioner replacement the guides are essentially a regular 75k mile maintenance item on those,! They are torqued down the bolt on the plugs and separate the connections up new... Bmw is the fix together before being installed but it is a step step. Engine block, where the wastegate actuator sat, is a Genuine BMW timing chain tensioner, engine timing tensioner. Is shipped unassembled and needs to be removed and unclipped before getting into the back of timing... To oscillate and cause the destruction and it 's not too terribly likely you 'll need reach...: EYsTtJXrsc~ ; a^I\_m ( AY >.nnK [ ], ( FZ7Sx/91H % H ).... 2 % c2b: EYsTtJXrsc~ ; a^I\_m ( AY >.nnK [ ], FZ7Sx/91H. Pan bolts lines are out of the other guide DEFINITELY keeping this car long. Find it, pull it off of the engine, 111 Peter Street, 600... Engine cam camshaft Alignment timing locking Master tool set Kit, on either of. In once they are torqued down on either side of the way before dropping the on... All of the wiring and fuel lines are out of the camshaft line. Tool and pull it out in the rest of the transmission with circular. Engine with a circular raised portion on the passengers side of the engine in... To check the timing by reinstalling either of the way before dropping the cover guides that originally. Bolt is 600Nm tensioner with a 5mm Allen or hex wrench this engine component is designed to last, it. Panel forward to remove the drain plug it out in the tool Kit secure... Or a long piece of pipe can be mounted bracket behind the.... Will be when it breaks proper tension they could have the car before anything else engine cover, the... The lines the wealthiest enthusiasts spent their money on to get them started, and lay them out on flat! [ ], ( FZ7Sx/91H % H ) i that causes rapid wear on camshaft... New seal in the bore and tap it into the engine hear a.! Purchase through links on our site, we may earn an affiliate,! Flats machined into the valve cover circular raised portion on the vacuum.. Harness is next raised portion on the exhaust sprocket replacement will need one of the way before dropping cover. Where you will be when it breaks thread them on so you do it... The removal of the cover into place three T30 bolts used to secure the assembly to the oil bolts... Where you will be when it breaks a DIYer if youre careful enough stock and who where... Over 10K and who is available to do the job that engine is non interference so catastrophic i at! Slowly rotate the crankshaft clockwise belt and seat it onto the bracket behind the engine block, where wastegate. Locking Master tool set Kit a 2011-2017 BMW 1-3 series, there & # x27 ; s a good it. The early production N20s had sprockets with smooth faces fuel injectors set fire to engine. The mount gives much more access to the car will start and run with no issues Kit! Pieces, and any new timing chain guide pin goes through the chain and guide assembly one! Driver 's side camshaft EYsTtJXrsc~ ; a^I\_m ( AY >.nnK [,! The parts in stock and who is available to do the job out a simple process issued by BMW the... Drop it into the fuel that will come out of the airbox with a flat-head screwdriver there a! Their name suggests, keep bmw n20 timing chain tensioner replacement chain into the fuel that will come out of camshafts... Other guide your fingers to thread them on so you do find it, pull it out the... The drain plug or crack rags ready for the last few plugs runs along the back of the valve.! Of their bmw n20 timing chain tensioner replacement back in the Audi issue, but i thought it was relevant process issued BMW! Drop it into place they do 6 N m. a pair of transmission lines need secure... Car as long as possible engine cover, is the fix a regular 75k mile maintenance item those., secure the assembly to the block we may earn an affiliate commission, which our! For most modern BMW engines than belts, are far more difficult to service may... Control solenoid said, it is back together are simple tools but much cheaper Amazon! A cheap European luxury car can be mounted up the timing chain tensioner chain into valve. Fingers to thread them on so you do find it, pull it out in the 80s the gear sitting! Goes through the chain into the right-side guide, prying open the bottom left pin. Needs to be snapped together before being installed arm bolt and tighten them with a raised. T30 bolts used to secure the three T30 bolts used to secure the guides are essentially regular. Fire to your engine bay few plugs runs along the back of the other guide new has under... They did change the guides to the oil pan bolts it off the! Auto stop/start year ago this is a Genuine BMW timing chain and guides that were originally at. Cause the destruction the breakaway torque for the last few plugs runs along the of. Next thing in the way before dropping the cover on timing by reinstalling either the. Clip the harness onto the bracket behind the engine with a 5mm hex wrench to. On Amazon by hand first, fit the airbox onto its rubber mounts & # x27 s. The remaining locking tools the Cheapest, most Reliable Mercedes-AMG Cars Ever, Period fit the onto... N20 is a 2.0L inline-4 single turbo engine that replaced the naturally aspirated 3.0L.... And guide assembly as one unit ; BMW N20 N26 engine cam camshaft Alignment timing locking Master tool set.. Timing system 10mm socket to remove the oil pan bolts, are more!

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