Sound coming from rear drivers side
Thread Starter
Instructor
Joined: Mar 2008
Posts: 117
Likes: 0
From: Wichita Kansas
Sound coming from rear drivers side
Sometimes when I take off, there's a popping noise in the drivers side rear end that happens. The faster I go, the more repetitious the sound is till i get up to maybe 30 mph then i dont hear it anymore. Is it the CV joint?
Safety Car
Joined: Jan 2004
Posts: 3,759
Likes: 8
I've got that same pop or knock sound on my 89 from the rear. Though I hear it when I'm braking and I'm almost 100% stopped. Sometimes I'll also hear it when I'm taking off.
Though I don't keep hearing it. Just the one time when I'm braking or maybe once or twice as I'm taking off.
I know the drive shaft has ujoints. What else has ujoints?
Though I don't keep hearing it. Just the one time when I'm braking or maybe once or twice as I'm taking off.
I know the drive shaft has ujoints. What else has ujoints?
Race Director
Joined: Apr 2003
Posts: 17,700
Likes: 1,667
From: moraga ca
I've got that same pop or knock sound on my 89 from the rear. Though I hear it when I'm braking and I'm almost 100% stopped. Sometimes I'll also hear it when I'm taking off.
Though I don't keep hearing it. Just the one time when I'm braking or maybe once or twice as I'm taking off.
I know the drive shaft has ujoints. What else has ujoints?
Though I don't keep hearing it. Just the one time when I'm braking or maybe once or twice as I'm taking off.
I know the drive shaft has ujoints. What else has ujoints?
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
Remove the RR wheel and manualy rotate the brake rotor back & forth while watching the half-shaft. Any rotation of the rotor not transmitted to the differetial output shaft will reveal the problem U-joint.
Safety Car
Joined: Jan 2004
Posts: 3,759
Likes: 8
Just curious why you need to take the wheel off instead of leaving it on to turn the rotor?
Though, I did check mine via pulling/pushing on the wheel at 12 and 6 oclock. I couldn't really tell anything. I think maybe the driver side wheel moved slightly, but I really couldn't tell. I would figure checking that way, it would be pretty obvious.
How do you check the hubs as they could be the problem?
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Safety Car
Joined: Jan 2004
Posts: 3,759
Likes: 8
But I do notice a slight click when I'm braking and taking off that sounds like it is coming from the rear driver side. And sometimes a knock sound.
I checked the hubs, and the rear driver side had a little play. That is the same side the PO had the ujoints replaced. Then when I had the wheel off, I noticed the nut that has the cottor pin was a little loose. So, now I'm wondering if the spindle nut is loose and causing the problem. I'll have a shop retorque that nut just to make sure.
