Honda Odyssey: 1 second noise at 5 mph when started (started engine as well).
Hi.
I'm not a mechanic and havent done anything more complicated than oil change, but need to understand this: Two kinds of noises: First: 1) metallic trembling noise (guaranteed!) moving from parking spot at about 5-10 mph, going backward or forward , going straight ,noise - for less than a second ; this happens in the morning (car was left overnight), in the evening when moving from work parking; any other time I come to complete stop with gear in parking and engine stopped; noise is there, if going downhill in neutral (my parking spont is nex to the hill) with engine running or not running (here, after engine was running for a while and brakes work easy, couldns say the same about steering wheel); Second: 2) another kind of noise, but much quiter noise at 50-60 mph (constant) as soon as I stop accelerating and RPM drops to 1600-1900 from 2500; in this case noise is only heard when slightly pressing gas pedal (accelerating or maintaining speed going uphill), but RPM doesnt change; going to higher RPM gets rid of the noise (like if I have to pass noise speed range 50-60 mph, accelerating more intense - at 2500 rpm for instance - no such noise); Other info: 3) no infuence on noise when turning; 4) when pressing brakes hard - steering wheel is trembling, so looks like worn rotors; 5) left front tire worn much more than others; 6) Honda Service says it's not transmission (since I have extended warranty on transmission, I asked them to check it specifically) after 15- 20 mins road test; Thanks for your feedback. vj |
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You might want to visit www.odyclub.com for lots of Odyssey problems...
"varkiliy_jar" > wrote in message om... > Hi. > I'm not a mechanic and havent done anything more complicated than oil > change, but need to understand this: > Two kinds of noises: > > First: > 1) metallic trembling noise (guaranteed!) moving from parking spot at > about 5-10 mph, going backward or forward , going straight ,noise - > for less than a second ; > this happens in the morning (car was left overnight), in the evening > when moving from work parking; any other time I come to complete stop > with gear in parking and engine stopped; noise is there, if going > downhill in neutral (my parking spont is nex to the hill) with engine > running or not running (here, after engine was running for a while > and brakes work easy, couldns say the same about steering wheel); > > Second: > 2) another kind of noise, but much quiter noise at 50-60 mph > (constant) as soon as I stop accelerating and RPM drops to 1600-1900 > from 2500; in this case noise is only heard when slightly > pressing gas pedal (accelerating or maintaining speed going uphill), > but RPM doesnt change; going to higher RPM gets rid of the noise (like > if I have to pass noise speed range 50-60 mph, > accelerating more intense - at 2500 rpm for instance - no such > noise); > > Other info: > 3) no infuence on noise when turning; > 4) when pressing brakes hard - steering wheel is trembling, so looks > like worn rotors; > 5) left front tire worn much more than others; > 6) Honda Service says it's not transmission (since I have extended > warranty on transmission, I asked them to check it specifically) after > 15- 20 mins road test; > > Thanks for your feedback. > vj |
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"varkiliy_jar" > wrote in message om... > Hi. > I'm not a mechanic and havent done anything more complicated than oil > change, but need to understand this: > Two kinds of noises: > > First: > 1) metallic trembling noise (guaranteed!) moving from parking spot at > about 5-10 mph, going backward or forward , going straight ,noise - > for less than a second ; > this happens in the morning (car was left overnight), in the evening > when moving from work parking; any other time I come to complete stop > with gear in parking and engine stopped; noise is there, if going > downhill in neutral (my parking spont is nex to the hill) with engine > running or not running (here, after engine was running for a while > and brakes work easy, couldns say the same about steering wheel); > > Second: > 2) another kind of noise, but much quiter noise at 50-60 mph > (constant) as soon as I stop accelerating and RPM drops to 1600-1900 > from 2500; in this case noise is only heard when slightly > pressing gas pedal (accelerating or maintaining speed going uphill), > but RPM doesnt change; going to higher RPM gets rid of the noise (like > if I have to pass noise speed range 50-60 mph, > accelerating more intense - at 2500 rpm for instance - no such > noise); > > Other info: > 3) no infuence on noise when turning; > 4) when pressing brakes hard - steering wheel is trembling, so looks > like worn rotors; > 5) left front tire worn much more than others; > 6) Honda Service says it's not transmission (since I have extended > warranty on transmission, I asked them to check it specifically) after > 15- 20 mins road test; > > Thanks for your feedback. > vj About the second noise: On our Ody, I get a kind of hum at about 1500-1600 rpm or about 55mph in 4th gear. According to some, it's caused by the torque converter lockup. Hasn't affected our Ody (yet). In fact, it's not even a problem. Bearman |
Don't have an Odyssey, but wife has MDX...
I haven't figured out WHO TOLD PEOPLE that whines, hums, etc. aren't NORMAL. Unless it is pretty loud. But there are sure a lot of whiners on this board. JM |
(Stephen H. Westin) wrote in message >. ..
> (varkiliy_jar) writes: Thanks for all your ideas. I found most of details at http://www.odyclub.com . > > First: > > 1) metallic trembling noise (guaranteed!) moving from parking spot at > > about 5-10 mph, going backward or forward , going straight ,noise - > > for less than a second ; Yes, according to all descriptions, this is ABS self-test/charging, etc. The thing I'm curious about, is how to make this noise quiter. Any ideas if new rotors/drums can help? Second: There is some form of resonance happening in the engine compartment at 48-55mph on 4 and 5 speed Odysseys in top gear when Torque Converes lockup happens and thats a low pitch noise conducted to cabin through the shift cable. Two major findings - one dealer according to odyclub.com, tried to install a new "dynamic damper" - from Accord to tacke resonance, and another finding is here : http://www.hondalac.com/service/Bulletins/x02-048e.pdf Regards, vj |
(varkiliy_jar) writes:
> (Stephen H. Westin) wrote in message >. .. > > (varkiliy_jar) writes: > > Thanks for all your ideas. > I found most of details at http://www.odyclub.com . > > > > > First: > > > 1) metallic trembling noise (guaranteed!) moving from parking spot at > > > about 5-10 mph, going backward or forward , going straight ,noise - > > > for less than a second ; > > Yes, according to all descriptions, this is ABS self-test/charging, > etc. > The thing I'm curious about, is how to make this noise quiter. Earplugs. Are you really that bothered by a slight noise that lasts for less than a second? Start worrying when you *don't* hear the noise after you start. > Any > ideas if new rotors/drums can help? I don't think so. > Second: > There is some form of resonance happening in the engine compartment > at 48-55mph on 4 and 5 speed Odysseys in top gear when Torque Converes > lockup happens and thats a low pitch noise conducted to cabin through > the shift cable. > Two major findings - one dealer according to odyclub.com, tried to > install a new "dynamic damper" - from Accord to tacke resonance, and > another finding is here : > http://www.hondalac.com/service/Bulletins/x02-048e.pdf Wow. Honda actually reprogrammed the engine control computer to avoid the resonance! But if your vehicle is out of warranty, it would be an expensive repair. -- -Stephen H. Westin Any information or opinions in this message are mine: they do not represent the position of Cornell University or any of its sponsors. |
>>http://www.hondalac.com/service/Bulletins/x02-048e.pdf > > > Wow. Honda actually reprogrammed the engine control computer to avoid > the resonance! amazing, eh? id expect the cure to be judicious application of "isolating tape"- that felt backed crap dealers wedge between parts when you complain of a rattle. |
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