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Vans & Minivans Honda Odyssey Honda Odyssey vibration
166 messages, Last post on Nov 25, 2009 at 7:32 AM
You are in the Honda Odyssey Forum. Your Host is Karens
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Replying to: vlentz (Nov 06, 2008 8:30 pm) |
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i am pretty sure mine does this as well. thankfully, it is a lease and I am not stuck with it. as user friendly as it is, it is a big pos. It will be my last Honda.
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After reading most of your comments on the Vibration, It Seems to be comming from primarily two causes.ONE is engine Vibration cause primarily by engine and only varys with the speed of the engine. and TWO: Vibration from Speed of vehicle and varys with the speed of the vehicle ONLY. ie Wheel bearing, Drive train, etc. Try to determine which Vibration your have. The Primary, "less noticable" vibration I believe we are all feeling is caused from the VCM "feature" on the engine of EX-L and Touring Models. It will always occur when engine is not required to put out much power. Under most conditions the motor doesn't really vibrate (if your engine mounts are good). However, In VCM Mode it is running on 3 cylinders and will shake because it is now out of balance, similiar to removing 3 spark plugs out of your engine. There is no way an engine will run as smooth in this mode. However, There should be NO Vibration, EVER (no more than any other car) from time you start your car, idling in the driveway, running down the hiway or full excelleration when your Motor Mounts are GOOD. Bad mounts however, will cause the Motor will vibrate in one or all of these conditions and Need to be checked, replaced. If they are bad and your Van has ECM the Vibration Will be magnified severly. TESTING MOTOR MOUNTS: (THIS CAN BE DANGEROUS SO BE VERY CAREFUL TO KEEP FOOT ON BRAKE or have dealer check them). 1st Set Parking Brake. I find you can do check engine mounts with the help of a friend(standing on side of vehicle) to watch the engine move while you operate the van. Raise the hood up, Start Engine, While pressing HARD on the brake Put the Van in Gear and gently press on accelerator (put engine under load) till engine starts to twist forward or reverse, your helper should be watching the motor right now, Engine should twist a little when you do this, that is normal. Check Both Drive and Reverse. IF you notice motor RAISE UP a couple inches, and drop back down when you left off the accellerator, then the motor mount under that part of the engine raising up is most likely the problem. On my 05 EX-L the Back mount was shot and the whole engine raised up a few inches when doing this in Reverse. After Confirming Bad mounts and replacing, the Vibration should NOT be felt after starting the car or driving it. Most mounts are around $65. the rear one is $440, the one that took care of my problem. Not sure if we can eliminate the "drooning" sound that is only generated by engine in VCM mode, when engine is under "low" load condition. Perhaps get a Honda van that doesn't have the VCM "Feature". However, VCM is also supposed to be getting us better gas mileage when in this mode, ie: running on 3 cylinders. If anyone Knows how to DIS-ABLE VCM Mode, Please let us know ! The gas mileage increase may outweigh the Vibration.
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Replying to: scottinky (Nov 09, 2008 4:17 am) |
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It is an EX-L, and it is only noticeable in ECO mode at certain speeds, usually between 40-50mph. |
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| Does anyone out there know of an instrument which can measure the vibrations of a car? | |
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Replying to: cja2 (Nov 09, 2008 6:14 am)
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Replying to: vlentz (Nov 10, 2008 9:25 am) Though your vibration issue sounds similar to the issue we have with our 2008 LX, it may be different. Like yours, ours is very noticeable at 50 mph. But unlike yours, ours worsens with increased speed. We are in the process of trying to determine if alloy wheels will eliminate the problem, since our Service Tech told us the problem was inherant in all LX's due to the steel wheels. Any thoughts?
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Replying to: vlentz (Nov 10, 2008 9:25 am) |
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Replying to: newsubifan (Nov 11, 2008 4:12 am) I can reproduce my problem at any time. As soon as it goes into overdrive you can feel vibration in the gas pedal and the steering wheel. It will peak around 48 or 50 mph. As soon as you let off or increase the gas it stops. The factory rep agrees that he feel it and states that there is no fix or he would fix it. He states that it is the transmission trying to "lock in". He had me drive a 2009 LX and it did the same thing. That, he says makes it "normal" I say if he has a thousand cars that exhibit the same vibration that doesn't make it normal, that makes him having a thousand cars that are defective. American Honda called and asked about it. I told them that I felt compelled to buy the extended warranty because in my opinion there has to be wear in that drive train. I asked that they split the cost of a six year 120,000 mile zero deductible EW with me. They will "get back to me" by Wednesday (tomorrow). I'll let you know!! |
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