1st Generation Specific 1979-1985 Discussion

Mysterious Rumbling Noise

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Old 04-07-2003, 12:39 PM
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how about the rear axle bearings? they will make a rumbly kinda loud road noisey noise. unusual for it to pop up out of the blue though



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Old 04-07-2003, 07:38 PM
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It would definitely be unusual, as this did just pop out of the blue. Note that this noise is only heard between 1500 and 2000 rpms. Thanks.
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Old 04-07-2003, 07:48 PM
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does it matter, if you are moving? or can you get the noise in neutral at 1500-2000rpms? i just changed my water pump for almost that same reason, it felt like something spinning was right on the frame, and there was about an inch of play at the water pump pulley. it would shake the whole car too



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Old 04-08-2003, 09:06 AM
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I have to be moving at least 25mph in at least 3rd gear. I hope it's not the water pump, I just replaced the darn thing
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Old 04-08-2003, 11:16 AM
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Originally Posted by Herr Wankel' date='Apr 8 2003, 06:06 AM
I have to be moving at least 25mph in at least 3rd gear. I hope it's not the water pump, I just replaced the darn thing
well if it only does it moving its not the water pump. you are looking for something turning at the same speed as the wheels



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Old 04-08-2003, 12:39 PM
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Just FYI, most machine shops can replace your FB U-joints on the original drive shaft for about a third of the cost of a new Mazda shaft.
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Old 04-09-2003, 07:41 PM
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I bought this new driveshaft for $59, not a bad deal by me.
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Old 04-10-2003, 11:02 AM
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Originally Posted by Herr Wankel' date='Apr 9 2003, 04:41 PM
I bought this new driveshaft for $59, not a bad deal by me.
thats a good price



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