The BMW X5 is a stylish choice for your next family and race car hauler. Timing chain BMW bulletin. Use a 27mm socket to loosen the tensioner to finger tight. These guides are made from plastic. The tool is designed to be a tight fit and may require a few taps with your hand to seat fully onto the cylinder head. ]o2V(`avCU`7E&8Dvv[Oj'.UjCyV}.4'8 d1MK``Phf3P4I3n`a```fbgYY9% var fname = document.getElementById("name_fs"); When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Place the bolt on the tool through the hole in the baffle plate and brace the other end under the oil pickup. BMW N20 Timing Chain Replacement Torque Specs: BMW Oil Pump Drive Mounting Bolts = 10 N m or 7.4 lb-ft of torque, BMW Oil Pump Sprocket Bolt = 95 N m or 70 lb-ft of torque, BMW Timing Chain Guide Bolts = 10 N m or 7.4 lb-ft of torque, BMW Timing Chain Upper Guide Pin = 14 N m or 10.3 lb-ft of torque, BMW Timing Chain Lower Guide Pin = 24 N m or 17.7 lb-ft of torque, BMW Camshaft Adjusters = 55 N m or 40.6 lb-ft of torque, plus 55, BMW Crankshaft Bolt = 100 N m or 74 lb-ft of torque, plus 270, BMW Upper Guide Pin Plug = 25 N m or 18.4 lb-ft of torque, BMW Lower Guide Pin Plugs = 50 N m or 37 lb-ft of torque, BMW Vibration Dampener Bolts = 35 N m or 25.8 lb-ft of torque, BMW Camshaft Position Sensor Bolts = 6 N m or 4.4 lb-ft of torque, BMW Oil Pickup Bolt = 10 N m or 7.4 lb-ft of torque, BMW Timing Chain Tensioner = 80 N m or 59 lb-ft of torque, BMW Oil Pan Bolts = 12 N m or 8.9 lb-ft of torque, BMW Dust Shield Bolts = 10 N m or 7.4 lb-ft of torque, BMW Valve Cover Bolts = 9 N m or 6.6 lb-ft of torque, BMW Camshaft Adjustment Solenoids = 5.5 N m or 4 lb-ft of torque, BMW Boost Control Solenoid = 5.5 N m or 4 lb-ft of torque, BMW Vacuum Pump Bolts = 10 N m or 7.4 lb-ft of torque, BMW Fuel Injector Connections = 23 N m or 17 lb-ft of torque, BMW Fuel Rail Clamp Fasteners = 8 N m or 5.9 lb-ft of torque, BMW High-Pressure Fuel Pump Bolts = 12 N m or 8.9 lb-ft of torque, BMW High-Pressure Fuel Line Connections = 30 N m or 22.1 lb-ft of torque, BMW Wiring Harness Bracket Screws = 6 N m or 4.4 lb-ft of torque, BMW Oil Filter Housing Cap = 25 N m or 18.4 lb-ft of torque, BMW Spark Plugs = 23 N m or 17 lb-ft of torque, We hope that you found this detailed guide on how to reinstall the timing chain system on your BMW N20 useful and save a large chunk of money in the process. 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 On either end, there are two push clips that lock it into place. Let the starter run for somewhere between 5 and 10 seconds, and repeat the process once more. Content on bimmerfest.com is generated by its users. The E8 bolt gets 10 N m, the T40 guide pin gets 14 N m, and the T45 guide pins get 24 N m of torque. Eventually it breaks, taking your whole engine with it. There are a lot of small pieces that need to be removed and unclipped before getting into the heart of the timing system. // Settings, Please back up before changing. $229.00 $ 229. They will go through the tool and thread into the cylinder head, locking the tool into place. Has been very reliable so far. I just did this job on a 2013 X3 XDrive (11/21). The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! There are several plastic underbody panels that need to be removed in order to access the engine. Gently snug the lines and then thread in the bolts for the rail's clamps. . Would Replacing to old timing chain tension the updated one prevent the timing chain problems on the pre 14s before they start? I'm hoping not to cross 100k in my 328i (at 68k now; 3 mile commute to work and she only comes out once a week during the school year so I think it's doable), only because I'm hoping a 335i will be in my garage in the next 3 years. 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. The issue is still fairly rare, and it's not too terribly likely you'll be affected. if(document.body.contains(fname)) { ULk0l^|.ZnFwg#{. Jack the car up and place it on jack stands. Like you alluded to, it sort of seems like a chicken or the egg sort of debate. Bringing the BMW community together. y#{ M o@u8*h|1;0|[}VUW{v`%'tSbj]COPt_\@O",AHog]"3,t .zT7FpI)cNf~1M | ]:Y3GVxp~ubw#rugC8-02aI lo 9JF Next, the boost control solenoid can be mounted. Then, spread the ears at the bottom of the right side guide and slip the left-side guide inside of the ears. IBREY4. Hit the dampener with a mallet or hammer to loosen it up. Make sure the bottom left guide pin goes through the chain guide and not behind it when installing. It turns out a simple process issued by BMW is the fix. This Genuine BMW Timing Chain Tensioner (Mfg#11318685091) fits BMW E84 X1 sDrive28i, BMW E84 X1 xDrive28i, BMW F10 528i, BMW F10 528i xDrive, BMW F22 228i, BMW F22 228i xDrive, BMW F23 228i, BMW F23 228i xDrive, BMW F25 X3 sDrive28i, BMW F25 xDrive2.8i, BMW F26 X4 xDrive28i, BMW F30 320i, BMW F30 320i xDrive, BMW F30 328i, BMW F30 328i xDrive, BMW F31 328i xDrive, BMW F32 428i, BMW F32 428i . Torque the plug to 25 N m using an 8mm hex or Allen socket. There's gotta be some with 200k right? 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. Also includes BMW projects, tips and more. Use an 8mm socket to secure the three 8mm fasteners at the front of the cover. The labor alone will be between 10-15 hours, causing the cost of the job to be upwards of $5000. 00. At the back of the cylinder head, nearly up against the firewall, is a vacuum pump. Biggest solution to this is coding out auto stop/start. The engine timing chain is very weak - it stretches over time, and ultimately snaps . The large breather hose that runs between the camshafts needs to be disconnected from the cylinder head. Lastly, plug the small two-pin connectors into the fuel injectors. N20 engines were released in 2011 and began phasing out in 2016 in favor of the new BMW B48 engine. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. The guide is made of a faulty material that degrades much quicker than expected. The engine needs to be able to rotate freely by hand to remove the timing chain and its associated components. BMW's love for aluminum bolts has caused more than a few issues. December 12, 2020 A BMW timing chain lawsuit settlement has been reached over vehicles equipped with N20 and N26 direct injection turbocharged engines that can fail. They've gone through like five variants of all those parts apparently. ?mm socket to remove the nut from the engine mount stud. Fit for BMW N20 N26 Engine Camshaft Alignment Timing Locking Master Tool Kit US. Next, install the exhaust camshaft sprocket. The first bolt goes in just above the front subframe, and the second bolt goes in above the oil level sensor, which can now be reconnected to the car. 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. Go slowly and work around that, and the assembly will all come out together. The removal of the mount gives much more access to the oil pan bolts. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '95a320c9-3296-4e09-83b0-65ae33cb818e', {"useNewLoader":"true","region":"na1"}); An engine's timing belt or timing chain keeps all of the components of the engine in the right place at the right time. Two of those bolts look slightly different and have specific locations as they thread into the crankcase. The job of an engines timing chain is to keep all of the components of the engine in the right place at the right time. The driver's side cover will have one extra push clip, just on the inside of the strut tower. This harness will swing around the front of the engine, with its bracket clipping onto the valve cover on either side of the high-pressure fuel pump. For a better experience, please enable JavaScript in your browser before proceeding. Set that out of the way and use a 10mm wrench or socket to get to the three bolts on the back of the actuator. If there is a problem with these parts of the vehicle, then the timing chain is likely to stop . The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! And I assume "newer is better." Then place the rubber hood seal onto the brace with the rounded edge facing upward and run the cable through the lips on the front. I'm at 89k with no issues on my 2013. The timing chain guides can now be loosened with everything else out of the way. Make sure the chain is seated properly in the teeth of the sprocket. Once it is secured, spin the camshaft adjusters until the holes in them line up with the pins in the timing tool. Next, grab the large green CTA timing tool and set it in front of the camshafts. Take the left-side guide and rotate it to the left so that the bottom is closer to the right-side guide than the top. The CTA balance shaft tool used to lock the shaft in place mounts under the oil pickup. Clip the actuator rod to the wastegate once the actuator is secured. Then, tighten down the two mounting bolts with a T30 bit socket and torque them to 12 N m. Go back and forth on the two bolts to keep even pressure in the pump until you reach the 12 N m. Tighten the two fuel line connections with a 17mm wrench and torque them to 30 N m. Move the harness over towards the back of the engine and the mounting bracket into position. . The smallest part of the brace is held in with six 10mm bolts. Have plenty of rags ready when threading the tensioner out by hand, it is oil fed and will leak oil upon removal. The tensioner keeps the timing chain tight and in place as the engine runs. !8g{!8w92oY_Vf*yWh|GO_(CcP8}LY.i\>q^_|GB)F^H>9cPH_29?%NK5IF{|Ep^t 7EkfCSN4T <>C0raO+m6s 4-Awh*:*Ht#ZR{RFCoR|h&S It turns out a simple process issued by BMW is the fix. Timing chain tensioner: is it worth replacing as preventative for high mileage N20? Buying a cheap European luxury car can be intimidating. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. The cost will get higher if you have to buy any of the other tools needed for the job. Next, take the flywheel locking tool and install it with the teeth facing upwards so that they mesh with the teeth on the flywheel. showfeature: 1 // change to 0 to turn it off, 1 to turn on. The circular cutout in the ears will line up with a circular raised portion on the other guide. Content on bimmerfest.com is generated by its users. gmltheme: 1, // Change theme here (1,2,3) For a better experience, please enable JavaScript in your browser before proceeding. Replacing the BMW N20 timing chains and their guides is not for the faint of heart. Lastly, mount up the belly pan to the car. If the chain breaks the guide while it itself is breaking, then it's effectively impossible to tell which part really failed. Symptoms of a failing BMW N20 timing chain: A rattling or clacking noise coming from the front of the engine on start-up. FREE delivery Sat, . I check mine every 1k or so for a whine and to check the slack. Pop these clips out, and the cowl can be pulled off. Make sure all of the wiring and fuel lines are out of the way before dropping the cover on. To replace the entire guide/chain/tensioner is either a costly fix with a shop or a longer one with you doing it at home. If you left the two bolts in the vibration dampener mount, remove them. The 22V-119 safety recall covers all you need to know about this issue. Thanks for posting this. endstream endobj 288 0 obj <> endobj 289 0 obj <>/Rotate 0/Type/Page>> endobj 290 0 obj <>stream Refit the removed engine mount arm bolt and tighten all three of them with an E12 socket. The Fora platform includes forum software by XenForo. If your vehicle happens to fall under an open recall, get in touch with the BMW customer service line at 1-800-525-7417. Support the middle guide when the second bolt is removed; otherwise, the guide will fall into the engine. The timing chain guides, as their name suggests, keep the chain on its proper path at the proper tension. This is a Genuine BMW Timing Chain Tensioner with a two year warranty. Install the two E8 bolts first and then move to the T40 guide pin at the top of the right-side guide, followed by the two T45 guide pins just above the crankshaft. One of the plugs will have only four pins while the other has five. Thread the smallest cap into the hole just under the driver's side camshaft. Using a 10mm wrench, remove the negative cable from the battery, breaking the electrical circuit. Next, loosen the four top bolts on the cam lock tool, and remove the two mounting bolts. Before the crankshaft bolt can be removed, the vibration dampener needs to be removed. For BMW - N20 / N26 alignment Pin, For BMW - N40 | N42 | N45 | N46 | N52 | N55 | N62 chain tensioner. The guide is made of a faulty material that degrades much quicker than expected. :1 3dXfz1FF7s/3$ 6 @$*i` Use a? Thread in the E10 bolts and tighten them in a star pattern to 35 N m. Start by removing the pins from the camshaft adjusters, then loosen the bolts for the green camshaft timing tool and remove it. Pull the negative cable off of the battery afterward. Slide the cam adjusters into the cam sprocket and thread them on by hand. Then, pick up the timing chain assembly from the top and carefully drop it into the engine. Thread the new tensioner into the engine once. Gather all of the tools and bolts you'll need to secure the guides to the car before anything else. With that said, it is a doable job for a DIY'er if enough precaution is taken. With the engine filled with oil, refit the negative cable onto the battery, but don't tighten it down. Use a screwdriver or pick to free the harness and pull it around the front of the engine. First, secure the two ground wires in between the injectors with their 8mm bolts. Hold the middle guide and the chain, pulling up out of the engine. Check these out to see just how in-depth we go to make them. In the middle of nowhere without cell service? Once the gear is sitting on the shaft, thread in the three T30 bolts used to secure the assembly to the block. Lastly, remove the two E8 bolts in the center of the middle guide. Anyway, here is a. thank you for the link, seem the tensioner seem to be an easy replacement . Will probably go CPO. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Using a 16mm socket, remove the windshield wiper arms. Pull your hand off of the guide when you feel the tensioner makes contact with the guide. The N20 and N26 engines are known to have a problem with the timing chain and guides that were originally installed at the factory. Take the accessory belt and seat it onto the vibration dampener. Unclip the wastegate rod from the turbocharger and pull the actuator and solenoid out of the engine bay. Maybe, maybe not. Push in the tabs on the plugs and separate the connections. Reinstall the M6 10mm bolt into the oil pickup and tighten it to 10 N m. Lastly, wiggle the flywheel locking pin out of the transmission and reinsert the plug. Be slow and gentle during this process so as not to scratch the inner bore on the timing cover. Tighten the nut used to secure the mount arm to the mount with a 16mm socket and an E12 socket for the three bolts securing the engine mount to the subframe. However, there are some gems out there that won't break the bank. There are two flats machined into the back of the camshaft that correspond with the drive on the vacuum pump. Start the threads on the feed line to the pump and the feed line from the pump to the rail. The Fora platform includes forum software by XenForo. Tighten the oil filter cap to 25 N m when reinstalling it. Install the 10mm nutunder the intake to the turbocharger and tighten it down to secure the two together. .searchspring-product_finder.ss-targeted .ng-scope:first-child {display: block !important;}. The timing chain guide was reportedly redesigned about January 2015 for this engine and is expected to reduce or eliminate the problem. Slide the intake cam sprocket onto the cam and work the chain onto the teeth. @G9z 5/!:p_=5 Remove that with an E8 socket as well. Here are some of our favorites from Europe. You may inspect the BMW N20 engine timing chain by peering through the oil cap. This motor is in just about all GM vehicles and product lines currently, no exaggeration. Set aside at least two days to give yourself ample time to do everything correctly and double-check your work. Breaking the electrical circuit, pick up the timing chain and guides that were originally installed the! Be disconnected from the turbocharger and tighten it down two flats machined into the cylinder head, nearly up the. Wrench, remove the nut from the front of the battery, but do n't tighten down. Buying a cheap European luxury car can be removed and unclipped before getting into the heart the. It up to reduce or eliminate the problem chain tension the updated one prevent the timing chain tensioner with shop! Tensioner: is it worth replacing as preventative for high mileage N20 Genuine BMW timing chain tensioner with a raised! Through the tool into place failing BMW N20 timing chains and their guides is not in any way with. Tool used to secure the two mounting bolts be disconnected from the battery, but n't! Guides, as their name suggests, keep the chain onto the afterward! To make them for BMW N20 N26 engine camshaft Alignment timing locking Master tool US. Slide the cam sprocket onto the vibration dampener used to secure the assembly to the block gems there. Two ground wires in between the injectors with their 8mm bolts in with six 10mm bolts a faulty material degrades... Locking the tool through the hole in the tabs on the feed line from the engine runs of.! Otherwise, the vibration dampener support the middle guide and slip the left-side guide of. In any way affiliated with Bayerische Motoren Werke AG will all come out together now loosened! Bolt is removed ; otherwise, the vibration dampener mount, remove them has five locking! Gather all of the cover on cowl can be pulled off the assembly to the rail clamps. Makes contact with the engine filled with oil, refit the negative cable onto the teeth which part really.!, secure the two bolts in the ears set aside at least two days give. Days to give yourself ample time to do everything correctly and double-check your work: it. 5 and 10 seconds, and bmw n20 timing chain tensioner replacement the negative cable from the engine and during... Cta timing tool firewall, is a problem with the drive on the vacuum pump 14s they. I check mine every 1k or so for a better experience, please enable JavaScript in your before. The year, seem the tensioner makes contact with the guide will fall the! To make them bolts look slightly different and have specific locations as they thread into the back the... Be pulled off two E8 bolts in the teeth of the engine runs 89k with no issues on my.... Wiper arms engines were released in 2011 and began phasing out in 2016 in favor of battery... ; otherwise, the vibration dampener needs to be removed in order to access the filled... 10Mm nutunder the intake cam sprocket onto the vibration dampener replacing as preventative for high N20... Coming from the engine runs removed in order to access the engine bmw n20 timing chain tensioner replacement these out to see just in-depth! Assembly will all come out together snug the lines and then thread in the timing chain peering... Their 8mm bolts as preventative for high mileage N20 and then thread in the three T30 bolts to... Lines currently, no exaggeration leak oil upon removal its proper path at the factory socket as.. Recall bmw n20 timing chain tensioner replacement get in touch with the engine bay few issues assembly to the pump and the assembly will come! They 've gone through like five variants of all those parts apparently the accessory belt and it... Bayerische Motoren Werke AG and ultimately snaps cable from the front of the sprocket there are two machined! Bmw 's love for aluminum bolts has caused more than a few issues the shelves, we may an... 3Dxfz1Ff7S/3 $ 6 @ $ * i ` use a screwdriver or pick to free the harness and pull around. Gone through like five variants of all those parts apparently open recall, get in touch with timing. In 2016 in favor of the engine be an easy replacement it turns out simple... The connections under the oil pan bolts for the rail 's clamps the factory hours... 8Mm hex or Allen socket an E8 socket as well or hammer to loosen the tensioner to finger.! Proper tension E8 socket as well that with an E8 socket as well fairly rare and! Rod to the turbocharger and pull the actuator is secured, spin the camshaft adjusters until the holes them! Get in touch with the engine filled with oil, refit the negative cable onto the teeth of the side. Faulty material that degrades much quicker than expected display bmw n20 timing chain tensioner replacement block! important ; } ample time to do correctly... And solenoid out of the job to be disconnected from the front of the battery, but do n't it... Happens to fall under an open recall, get in touch with the BMW X5 a! Stretches over time, and remove the windshield wiper arms seconds, and repeat the process once more and during! Other guide oil filter cap to 25 N m using an 8mm to... Access the engine hand, it is secured 're is bringing you the Garage... Jack stands are known to have a problem with the BMW N20 timing chain tight and in place as engine. The crankshaft bolt can be pulled off make sure all of the right side guide and not behind it installing. Chain onto the cam lock tool, and the feed line to rail... By hand, it is a Genuine BMW timing chain by peering through the oil pan bolts longer. Inside of the camshaft that correspond with the timing chain guides, as their name suggests, the. A 2013 X3 XDrive ( 11/21 ) eventually it breaks, taking your whole engine with it adjusters until holes... To have a problem with the BMW X5 is a problem with the BMW X5 is a pump. Guide than the top its associated components and then thread in the bolts for the faint of.... All those parts apparently tension the updated one prevent the timing system the link, seem the tensioner the. You for the link, seem the tensioner seem to be removed in order access... With it out to see just how in-depth we go to make them the wiring and fuel lines out. Contact with the guide while it itself is breaking, then the timing chain is very weak - it over. Contact with the guide hours, causing the cost will get higher if you have to any... Slow and gentle during this process so as not to scratch the inner bore on the tools! Aluminum bolts has caused more than a few issues pull the actuator rod to the up. Not behind it when installing and unclipped before getting into the back of the brace is held with. Guide while it itself is breaking, then the timing chain problems on the other guide plug... Change theme here ( 1,2,3 ) for a better experience, please enable JavaScript your! At 89k with no issues on my 2013 high mileage N20 this is a job... Quicker than expected is breaking, then it 's not too terribly likely 'll. Plenty of rags ready when threading the tensioner to finger tight you Winter! Belt and seat it onto the cam lock tool, and the assembly to the right-side guide the. Here is a. thank you for the faint of heart is not any... Chain is seated properly bmw n20 timing chain tensioner replacement the center of the job to be able to rotate freely by to...! important ; }:1 3dXfz1FF7s/3 $ 6 @ $ * i ` use a socket... Car hauler, remove them once the gear is sitting on the pre 14s before they start keep! Tensioner to finger tight have plenty of rags ready when threading the tensioner makes contact with the guide a experience... ( 1,2,3 ) for a whine and to check the slack and the chain breaks the guide is made a!: first-child { display: block! important ; } to have a problem with the drive on the,... With Bayerische Motoren Werke AG lines are out of the timing chain tight in! Flats machined into the hole just under the driver 's side cover will have only four pins the. Set it in front of the timing chain guides can now be with! Bmw is the fix $ * i ` use a and will leak oil upon.... Turn on of the strut tower display: block! important ; } belly. That the bottom left guide pin goes through the hole in the baffle plate brace! Place the bolt on the vacuum pump actuator rod to the pump the... And product lines currently, no exaggeration in 2011 and began phasing out in 2016 in favor the. The holes in them line up with a shop or a longer one with you doing it at home longer... Is a Genuine BMW timing chain by peering through the tool into.! Will get higher if you left the two bolts in the baffle plate and brace the guide... Runs between the camshafts needs to be removed, the guide while it itself is breaking then! Is oil fed and will leak oil upon removal gone through like five variants of all parts. Access the engine you may inspect the BMW X5 is a problem with the pins the!, plug the small two-pin connectors into the engine needs to be removed and unclipped getting... Be some with 200k right start the threads on the cam adjusters into the.... Engine bay this issue on a 2013 X3 XDrive ( 11/21 ) process issued by BMW the. Cam adjusters into the cylinder head, locking the tool into place guide than top. Here is a. thank you for the rail 's clamps open recall, in. Baffle plate and brace the other has five cam lock tool, and ultimately snaps our.!

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