Flat spot?

HarrisonP · 03-07-2005, 04:02 PM

This thing is really bothering me and I cannot find the source of it. I filled all of my tires up the other day because I was going on a trip. My right rear tire was about 10 psi lower than all of the others. As soon as I got out of my neighborhood I noticed a vibration. It is coming from the back, and almost seems like it has to be something with one of the tires. It is not a fast vibration like you wound have with something like a bent axleshaft, but rather a slow one like if it were a spot on the tire. It is kind of hard for me to put in words, so bear with me. I took it out and rotated the tires, front to back, and it didn't help. It was coming from the same spot, so I switched the tires across the 4Runner just to see if it helped, but I didn't have any success. It is still coming from the same spot. I have the Michelin LTX/MS and they are the stock size, 265/70/16. They have alot of miles on them and need to be replaced, but I am a student and don't have that kind of money right now. It isn't making the kinda noise like when a bearing is going out. I need help pleaseee, its really gerve racking.

Thanks

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jimbo74 · 03-07-2005, 04:04 PM

if it isnt going anywhere its not the tires... might be the brake caliper or drum hanging up....

HarrisonP · 03-07-2005, 04:26 PM

I am more than fimaliar with the calipers and rotors vibrating. I had two warped rotors, and my calipers were both shot. But, I replaced my rotors, calipers, and brake pads right after Christmas. Put my bilsteins on right after that and got it aligned because I screwed up my balljoint and steering arm in the process. Also I replaced my drums, shoes, and the cylinder inside the drums not to long ago. The mud down here really eats that stuff up. I rechecked all of that when this problem arose. Checked to make sure nothing was loose too. It all seems fine to me, but maybe I will double check it.

jimbo74 · 03-07-2005, 04:31 PM

well after working in the tire industry for like 5 years, i can sya that if its still there regardless of the tire position, its not tire related or all 4 of your tries are screwed up and you only think its coming form the rear....

HarrisonP · 03-07-2005, 04:36 PM

Hmmmm looks like I am gonna have to put it in the air and check back over anything. Thanks man

03-07-2005, 04:26 PM	#3 (permalink)
HarrisonP Contributing Member Join Date: Apr 2004 Location: Charleston, SC Posts: 309	I am more than fimaliar with the calipers and rotors vibrating. I had two warped rotors, and my calipers were both shot. But, I replaced my rotors, calipers, and brake pads right after Christmas. Put my bilsteins on right after that and got it aligned because I screwed up my balljoint and steering arm in the process. Also I replaced my drums, shoes, and the cylinder inside the drums not to long ago. The mud down here really eats that stuff up. I rechecked all of that when this problem arose. Checked to make sure nothing was loose too. It all seems fine to me, but maybe I will double check it. __________________ "Live and learn, Die and forget it all" 1996 4Runner SR5 V6 4x4 Lifted, Locked, and Armored

03-07-2005, 04:36 PM	#5 (permalink)
HarrisonP Contributing Member Join Date: Apr 2004 Location: Charleston, SC Posts: 309	Hmmmm looks like I am gonna have to put it in the air and check back over anything. Thanks man __________________ "Live and learn, Die and forget it all" 1996 4Runner SR5 V6 4x4 Lifted, Locked, and Armored

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03-07-2005, 04:04 PM	#2 (permalink)
jimbo74 Banned Join Date: Jan 2004 Location: Nor*Cal Posts: 6,582	if it isnt going anywhere its not the tires... might be the brake caliper or drum hanging up....

03-07-2005, 04:31 PM	#4 (permalink)
jimbo74 Banned Join Date: Jan 2004 Location: Nor*Cal Posts: 6,582	well after working in the tire industry for like 5 years, i can sya that if its still there regardless of the tire position, its not tire related or all 4 of your tries are screwed up and you only think its coming form the rear....