- also I have checked the charging voltage at battery 14.2v which is ok and have disconnected each sensor relating to engine control to eliminate those too. VANOS solenoid, O-ring, VANOS solenoid fastener. Flapping sound is actually severe valve clatter. - Nick at Pelican Parts. They can figure out what part or repair kit you need. Then when it starts, you have the rattle and oil pressure builds quieting the loose chain with tension. Before the engine is warmed up, it runs smoothly. If they are all good, as you mentioned, only thing left is the actuators. Check the camshaft sensor, it may be faulty. History of Science, Medicine, and Technology, 2023 The Huntington Library, Art Museum, and Botanical Gardens. - Nick at Pelican Parts. If it has the same engine, it will be similar. We cleaned the debris filled vanos both but the error still persist with rattling from inside the engine when idle or the air cooling is on or I stop or want to accelerate or even when the gear is in reverse .it drives smooth after the rattling. Here are fault codes you may have if a VANOS solenoid is causing your problem, 2A9A Cam sensor, inlet signal invalid for synchronization, 2A98 (P0016) Crankshaft intake correlation value outside ref range, 2A82 intake VANOS jammed mechanically, 2A9B exhaust camshaft sensor signal invalid for synchronization, 2A99 (P0017) Crankshaft position sensor and exhaust camshaft, correlation value outside reference range, 2A87 exhaust VANOS jammed mechanically. Check spark, fuel injector pulse and pressure fuel, volume and quality. Have tried coating the solid body and o ring with oil but short of tapping on the bracket are there any tips you could share. I will highlight how to replace and clean the exhaust VANOS solenoid. could a sticky solenoid be the cause of a P0012 intake camshaft position timing order retarded? Plus the days of finding a vacuum leak by just spraying something are over. Ideas on what to check next? This vehicle prior was the "ultimate driving machine". It could be displaying it wrong. Thanks Ed, Not sure on the cost to repair, ask the dealer for a quote. No change in condition. The problem amd the code cleared shen i turned it back on. I would check vanos actuator function using a BMW scan tool and mechanical engine timing. Saturday 20th November 2021. I'm already expecting to take a beating on the cost, so if I don't need to spend the additional money on a tow, I'd like to avoid it. Modern DMEs controls rpm too well. The car feels a lot more powerful now, but when the engine is cold still has a bit of rough idle and some small hiccups at low revs when driving uphill, but a lot less then before. P0011 - VANOS intake: Adaptation, limit position; P0012 - VANOS intake: Actuator movement; These faults indicates an issue with the Vanos on the intake side. They can figure out what part or repair kit you need. I hope they read this and know that the solenoids are covered. Is it worth the risk just going ahead and buying the gears , or should I take it somewhere else and get the car diagnosed again . Keep up the good paintings! May be this will help somebody. - Nick at Pelican Parts. Sounds like an engine misfire. You can try to remove and clean the VANOS solenoids. Check if the oil leak is coming from the oil filter housing, at the least, have him show you the leak area. The Huntington Library is a leading repository of original sources on the trans-Mississippi West, including the J. Goldsborough Bruff drawings, the Fort Sutter papers, and the William G. Ritch Collection of New Mexico manuscripts. I resistance checked the servo motor too, which checked out - low ohms pin to pin and infinitely high pin to case. That was weird. Went to start it and same thing - cranks but no start. Hi, I've got a 2008 E92 325i N53 engine. You will need a scan tool to actuate it and see how it responds. And if you slowly exelerate the rpm dosent go up. The vehicle on lift can mean many things. On this page it's number 41: https://wiki.bentleypublishers.com/plugins/servlet/mobile#content/view/9633840. Glad you got it worked out. Hard to say. The economy is bad too as is its acceleration to 4000-4500rpms, after that it feels like a turbo kicked in. should i just buy new solenoids or maybe a new sensor? its a big job to test/replace it. Check if an old O-ring is still in the engine. Also what us the coil spring function, does it bring the gears back to home position or does it slow down and absorb higher when controlling position? - Nick at Pelican Parts. Buy the solenoids, O-rings, and fasteners. I actually went for an oil change and the rattling noise ceased. Thanks again for your help, and have a great rest of your day! Are these vanos symptoms? I would check spark, fuel and compression on all cylinders. I need some help. We appreciate it. What is the fuel trim doing at idle, 2500 RPM no load and a steady cruise? The timing chain components are likely at fault. Hi Nick and Casey, just an update: - I unplugged the intake solenoid exhaust plugged and drove for 300meters. The bolts on the Vanos were both tight and the fact that both were out an equal amount in relation to the crank makes me think it was the crank that slipped? If I let go of the gas, the issue goes away in a few minutes. (make sure the valve filters are also clean) If the fault stays on the inlet side then next job is cam cover off! Are you thinking that this rattle is coming from inside the engine? The mechanic is saying that there was no vacuum leak anywhere, but that both solenoids needed to be replaced as well as the entire valve cover assembly and is billing close to $1900 for the repair. Check spark, fuel injector pulse and fuel pressure, volume, quality and engine compression. Sounds like an engine misfire. It will surge and drop between 100-500 RPM's until I give it rev the engine to 3k, and then it evens out. Next time I started the engine the ECU was showing fault and engine was running sluggish. Questions: could an oil flush help the situation? Removed valve cover check timing with timing tools - all goods No shows of damage timing chain components seen What should I do next? I would check oil pressure to see if it is low. Next the car would delay accelerate from zero at lower speed but when moving fast it would before. Cleared code again but returned. Can it happen only after 450 miles on it? N52, N53 etc? For the love of God I cannot get the new solenoid to seat properly it goes in very difficult. They can get it for you in single bottles I bet. You can try cleaning the VANOS solenoids. No , no lights , just the code stored i erase it and came again , may i buy new vanos sensors? I am going to revise the fitment etc if it does not work, what do you suspect? Shortly after I wrote on this forum, I contacted the BMW NA to dispute the coverage of my 2008 BMW 328i SULEV. is there any special tools I will need to keep the timing at its correct degree since it deals with timing? When it is warm is little bit better! Do you believe in such a small change in temp does make a difference? Tensioner not able to pick up slack until oil pressure is higher. The car had some error codes that disappeared when I changed the spark plug, engine oil, oil filter, air filter and camshaft position sensor P0365. Are the solenoids dirty again? I just thought they must get oil in there anyway. Very good news Now for somebody to learn. Is this common to motor fail?? Problem could in the VANOS actuator or timing. Hi, Just a quick question - do the Vanos O-rings have any effect on idle speed if they are faulty or are the solenoids more likely in need of cleaning. For your comfort and safety, we have properly serviced ventilation systems, as well as air purifiers and dehumidifiers . - Nick at Pelican Parts. - Nick at Pelican Parts. Note: somewhere i read that sometimes when replacing these timing components, the car may need to be driven for a while till all relearning is accomplished and noises are gone can remember where i read this though any recommendations? ***LATE ARRIVALS WILL NOT BE ADMITTED & WILL BE MARKED LATE CANCEL. Is the check engine light on or flashing when the problem is present? The problem doesn't always exist and disappears when I restart the car. - Nick at Pelican Parts, Hello , i have 07 e90 with 44k miles and 2a98 code,i allready clean vanos senors,and change intake camshaft sensor with no luck,the car run just fine at the highway , but if i go pretty slow traffic the car fails like if had bad coil when i accelerate, when i stop the car shakes , then when i accelerate again after 2000-2500 rpms it run normaly. A total of three. If I disconnect vanos solenoid there is no error codes and it is the same situation if I disconnect O2 sensorpre-catalyst. O-rings may be wrong size or something is in the bore preventing them from going it. That is about all that caused a misfire. Clean the solenoids and replace the spark plugs? Or would a solenoid failure prevent the exhaust cam from retarding so it would be stuck in the normal position? - Nick at Pelican Parts. The jerking was rhythmic and about 2-3 cycles per second. What is coming out of the solenoids when you clean them? I drove it home since he said it might go away. Could all these symptoms refer to faulty VANOS solenoids or seals? Sounds like an engine misfire. Brought the VIN into a dealer and found the car came under a ten year warranty for the vanos bolts and also a recall for CCV valve. To make matters worst, after all these months I saw the top up radiator yellow lamp flickering. Car runs fine, but is this worth replacing the solenoids to be safe? - Nick at Pelican Parts. Follow the steps for variable camshaft activation. - Nick at Pelican Parts. When it comes on it reads P0015 "exhaust timing retarded". Thanks so much. service light came on and off a couple times. No faults checked it at 2 different garages. Has the weather changed? Yes. You seem to have replaced a lot of hardware. With all the symptoms, would it also possibly as simply as a Alternator Pulley bearing noise? I know you are very busy. On the scan tool they should all be about equal. Check vanos angles and mechanical engine timing. Hallo! Give our parts specialists a call at 1-888-280-7799- Nick at Pelican Parts, Hi I drive bmw 335i 2007 and I gotta the code 2a82 from a couple of months! One for the intake camshaft and one for the exhaust camshaft, mounted to the front of cylinder head. I own a 2010 BMW E93 6-speed manual with 65k miles N52B30 engine. I connected a ODB reader and have the following codes which can be cleared but come back on after a few days. Check engine oil pressure, I would assume it is low. https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/ENGINE-Crankcase_Breather_Valve_Replacement/ENGINE-Crankcase_Breather_Valve_Replacement.htm, https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/FUEL-Eccentric_Shaft_Position_Sensor_Replacing/FUEL-Eccentric_Shaft_Position_Sensor_Replacing.htm, https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/FUEL-Camshaft_Sensor_Testing/FUEL-Camshaft_Sensor_Testing.htm, https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/FUEL-Fuel_Pump_Testing/FUEL-Fuel_Pump_Testing.htm, https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/ENGINE-Nonresusable_Fasteners/ENGINE-Nonresusable_Fasteners.htm. No fault codes? Come join the discussion on performance modifications, accessories, MINI news, maintenance and more! I've already removed the others without a problem I was thinking of changing the oil using a BMW filter, changing the spark plugs and cleaning the O2 sensor that's up front. - Nick at Pelican Parts. do you think there is a fault in the solenoids? I did clean VANOS and spark plugs a year ago. This will confirm it is off and unable to be controlled. Was looking to see if there was any advice thanks. They were not particularly sludged or anything. I have a rough idle when warm which goes away if A/C is switched on higher rpm. has encountered it and what was . That is as long as there is no item affecting the cat. Not sure. If I continue pushing the start button the car will misfire through the intake. These symptoms refer to faulty VANOS solenoids Library, Art Museum, and then it evens out fault... Just an update: - i unplugged the intake camshaft and one for the intake solenoid exhaust and. Function using a BMW scan tool to actuate it and same thing - cranks but no start your... 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