Rear noise

MAZDA 626
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TRULIMIA
  • MEMBER
  • 3 POSTS
1997 626ES

have taken the vehicle in numerous Xs for the rear noise; each time the mechanic would shave the rotors, etc; now he's told me that the rear differentials are damaged -- please explain; :evil: :twisted: :(
Jan 4, 2006 at 6:36 AM

What to check next

Diagnostic guidance. Suggested checks and possible repairs are separate from the owner's reported results.

Ask for the documented hub and bearing findings and confirmation that the noise disappeared after repair.

Guidance references and applicability

Source: This question and its visible discussion. The roadmap distinguishes the original owner's reports from other participants' experiences; proposed follow-up is editorial guidance, not a confirmed diagnosis.

Read the replies · Discussion summary and reported outcome

AI-ASSISTED GUIDANCE · REVIEWED BY 2CARPROS
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10FOTUCK
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  • 28 POSTS
what kind of noise? how fast are going when this noise starts? I s there any vibration?
Jan 15, 2006 at 2:09 PM
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TRULIMIA
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  • 3 POSTS
the rear noise was coming from the worn Rear Hub wheel & my front bearings needed to be changed out -- they were really worn also. Thanks for asking. :D :D :D
Jan 16, 2006 at 9:51 PM
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TRULIMIA
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It was a grinding noise, as if though the muffler had fallen off; the speed didn't matter & no, there wasn't any vibration. :shock: :shock: :shock:
Jan 16, 2006 at 9:53 PM
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10FOTUCK
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  • 28 POSTS
So you got it fixed? no more noise?
Jan 17, 2006 at 3:28 AM
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COSMO
  • ✓Experienced Mechanic
  • 347 POSTS
Alot of times shops will use an aftermarket 's' pipe (the one before the muffler) that has a hanger on it that will sometimes be too big. This hanger (thats too big) will sometimes hit the base of the floor in the vehicle. If you just had exhasut work done on the car I would lean towards this. Did you have exhaust work done.

P.s. 626's and Mx-6's (almost the same cars) DO NOT have rears diffs. They are front wheel drive!

Cosmo..mazda tech
Jan 17, 2006 at 8:49 AM
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Discussion summary

Rear noise

The owner of a 1997 Mazda 626 reported persistent rear grinding noise after repeated visits involving rotor work. A later owner update attributed the rear noise to a worn rear hub and also reported worn front bearings.

Reported outcome: The owner identified hub and bearing wear but did not explicitly confirm completed replacement and a noise-free result.

A later exhaust-hanger suggestion was not a verified finding on this vehicle. The earlier report of rear-differential damage was not substantiated.

Read the original discussion

AI-ASSISTED SUMMARY · REVIEWED BY 2CARPROS
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