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Discussion Starter #1
hay, newbie here,
03 impala growls like hell in drive,[ but not reverse] i replaced both front hubs still not it.
put the car on jacks today. ran it up to 90 mph in drive[ growles] put in reverse 30mph no growling. 1st gear 50 no growl shift to 2nd it growls. is there a bearing on the trans output side where the cv shaft goes into the trans.sounds like it is coming from there.
thanks.
 

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It may be the drive sprocket bearings in the tranny. That involves pulling the tranny and disassembling it to do the repairs.
 

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Ishould have thought about the more simpler problem, just from the description it seemed more like the sound came from the tranny. I should have realized that the wheel bearing are the usual culprits.
 
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