bmw n20 timing chain tensioner replacement

The tool sits tightly on the camshafts and will require some wiggling and force for removal. Three 8mm bolts hold the inner panel to the car, while two locating tabs lock the rear in place. Chain tensioner or guide problems: The chain relies on guides and tensioners to stay in place and work properly. For BMW - N20 / N26 alignment Pin, For BMW - N40 | N42 | N45 | N46 | N52 | N55 | N62 chain tensioner. Use the old assembly as a guide. 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 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. The wiring harness for the last few plugs runs along the back of the valve cover and is secured to it via a bracket. Four large E20 bolts mount the strut brace to the car, one on each strut tower and two against the firewall. In January 2015, BMW redesigned the timing chain components, which seems to have significantly reduced the chance of failure. BMW's love for aluminum bolts has caused more than a few issues. !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 Appreciate the heads up. Unclip the wastegate rod from the turbocharger and pull the actuator and solenoid out of the engine bay. Check these out to see just how in-depth we go to make them. A plastic trim removal tool can be used to help pry the valve cover off of the cylinder head. . As it stretches, the chain gains play, allowing it to move around inside the timing cover. Head into the trunk and locate the battery. Once the valve cover is seated, connect the vent line at the front of the cover. Take the vibration dampener and seat it on the mount, lining up the bolt holes. If you left the two bolts in the vibration dampener mount, remove them. A jack handle or a long piece of pipe can be slipped over the breaker bar. 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. The biggest guide goes on the right side of the chain, while the other long piece goes on the left side of the chain. DIY Difficulty - Intermediate to Advanced BMW N20 Timing Chain Kit Cost to Repair N20 Timing Chain & Components - ~$200 DIY, $1000+ indy shop Mileage - May fail earlier, but usually after 50,000 miles Other BMW N20 Engine Problems Leave the solenoid attached to the actuator; it will mount to the valve cover. According to the timing. Having a partner handy will help make this process easier. If the chain hasnt stretched, then something has happened to the guides. Next, remove the six E8 bolts from the crank pulley using an E8 socket.