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On Fri, 04 Aug 2006 17:01:56 -0400, Wickeddoll wrote:
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>
> "Ray O" <rokigawaATtristarassociatesDOTcom> wrote in message
> news:1f798$44d3acf8$44a4a10d$23690@msgid.meganewsservers.com...[color=green]
>>
>> "Wickeddoll" <wickeddoll1958noeffingspam@yahoo.com> wrote in message
>> news:eavrhk.3ck.1@news.evilcabal.org...[color=darkred]
>>>
>>>>>>> Lately, my Echo has been making a wumpa-wumpa sound at higher speeds.
>>>>>>> I thought it might have been the one tire that I know is bent (They
>>>>>>> said it didn't need immediate replacement), but it seems to be
>>>>>>> getting louder. Could it be the compressor, since my A/C is on full
>>>>>>> blast most of the time? Or is it probably something costly. That
>>>>>>> 2000 car still has its original exhaust system, so I thought that
>>>>>>> might be it as well. Toyotas are great, but their exhaust often
>>>>>>> sucks. Gas mileage is still pretty damned good (31 mpg city despite
>>>>>>> the full speed A/C).
>>>>>>>
>>>>>>> Your thoughts?
>>>>>>>
>>>>>>> :-)
>>>>>>>
>>>>>>> Natalie, bracing herself.
>>>>>>>
>>>>>>
>>>>>> Without hearing the sound, it is difficult to determine the source,
>>>>>> but cars generally make wumpa-wumpa sounds for several. Possible
>>>>>> causes are a broken belt in a tire, bent wheel, bad wheel bearing, bad
>>>>>> constant velocity (CV) joint. The sound will always be related to
>>>>>> vehicle speed rather than engine speed if one of those are the cause.
>>>>>> If the wumpa-wumpa sound is coming from the car while it is sitting
>>>>>> still, check the back seat.
>>>>>>
>>>>>> Check the tire for any unusual lumps or bulges because a blow that is
>>>>>> hard enough to bend the wheel can easily breaks an internal belt in
>>>>>> the tire. If the sound is getting louder, the internal tire damage may
>>>>>> be getting worse and is very dangerous because it can blow out. A
>>>>>> broken belt is often but not always detectable visually. The easiest
>>>>>> way to check whether the tire or the wheel is the cause of the sound
>>>>>> is to mount the spare and see if it goes away.
>>>>>>
>>>>>> Whatever bent the tire could also have bent the tie rod that connects
>>>>>> the steering rack to the front wheels, bent a control arm, damaged the
>>>>>> axle or CV joint.
>>>>>>
>>>>>> An failing AC compressor will generally make a whining and groaning
>>>>>> sound, not a wumpa-wumpa sound (ducking for the fwap), and using the
>>>>>> AC tends to prolong its life rather than shorten it because the oil
>>>>>> that is mixed with the refrigerant keeps things lubed better and keeps
>>>>>> seals from drying out.
>>>>>>
>>>>>> A failing exhaust system just sounds loud and the sound is related to
>>>>>> engine speed, not vehicle speed.
>>>>>>
>>>>>> So, bottom line, try the spare and see if it goes away. If it does,
>>>>>> do not re-mount the bad tire/wheel until you can get a replacement.
>>>>>>
>>>>>> Good luck!
>>>>>> --
>>>>>>
>>>>>> Ray O
>>>>> Ah, thanks!
>>>>>
>>>>> I'll take it in tomorrow - you've effectively scared the crap outta
>>>>> me...
>>>>>
>>>>> Natalie
>>>>
>>>> Also, look for uneven or unusual tire wear because the car probably
>>>> needs an alignment after the wheel strike.
>>>>
>>>> Good luck!
>>>> --
>>>
>>> Bad bearings - need replacement at $500!
>>>
>>> *sigh* so much for the extra income from my second job...
>>>
>>> Natalie
>>>[/color]
>>
>> If you get service department mailers from your local Toyota dealer, look
>> for a "customer's choice" xx% off any job. On a bigger job, that can add
>> up.
>>
>> That sounds a little high for wheel bearings, - crying sometimes helps to
>> get the price down ;-)
>> --
>>
>> Ray O[/color]
>
> They say it's all the bearings and something about 'pressure mount' - Greek
> to me.
>
> Bend over!
>
> Natalie[/color]

Just go in wearing that bikini top you WON'T show US!!!!

(running and ducking!!!) ;)