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Old 05-26-2018, 09:53 PM
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Default High pitch hissing sound

05 Odyssey Exl high pitch hissing sound when accelerating fm 37-55 at 2000-2300 rpm n seems coming upfront. Replaced both front bearing n hub assembly n still hearing same. Checked all mechanical, checks good w/ no play. rotated 2 yr old tires, balanced n did alignment n still hearing same. I heard same problem at the back before n replaced bearings n hub assembly n sound disappeared. Thatís why I did same to the front. Transmission is really good n never have problem. Any idea, suggestion, experience is much appreciated.

Last edited by boie5319; 05-30-2018 at 05:36 PM.
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Old 05-29-2018, 02:50 PM
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welcome to the forum: possible leak in the intake line.
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Old 06-05-2018, 09:39 PM
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Default no intake leak

  • Checked intake n coulnít find any leak, tried ac on n off n hi pitch noise still there. Appreciate if you can give me more advice where to look.
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Old 06-06-2018, 09:07 PM
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have you leaked checked all vaccum lines. power brake line. also check to see if the serpentine belt tensioner is quiet. did you also check the intake manifold at the head area.
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Old 06-09-2018, 02:33 PM
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Default Hi-Pitch

Car runs n shifts really good, engine so quiet n smooth during idle n w/ no vac leak. Has new serpentine belt. No CEL n only have Ars-Seat belt indicator problem n recently replaced drvr seat belt latch n fixed problem. Transmission never have no problem. Accelerating from 40-55 when high pitch is heard at 2000 rpm. Plan to replace timing belt kits n will continue to check as recommended. Thank you.
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Old 06-10-2018, 09:36 AM
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Do you have a cold air intake type air filter? After awhile they become a little dirty and make noise.other than that maybe a vacuum leak.
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Old 06-10-2018, 04:05 PM
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Default High pitch

I replaced all my cars filters with KnN filters n clean them annually when I do oil change, mobil1 15k, annual driving 4-6k. Odyssey 105K, runs really great just worry me this hi-pitch?
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Old 06-11-2018, 10:28 AM
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Check to see if you have a retainer clip broken on the brakes
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Old 06-11-2018, 11:19 AM
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Quote:
Originally Posted by bucwheat View Post
Check to see if you have a retainer clip broken on the brakes
Recently replaced both front and rear bearing hubs, bearings and pads. Not sure if new retainers breaks that soon, besides brake pads are thick and quiet. I can remove all tires and inspect if need to just to ensure retainer not damage or wrongfully placed during installation?
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Old 06-12-2018, 07:56 AM
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When you do eventually find out what it was please let us know.
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