MaximA32
Super Moderator
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4443 posts
1998 Maxima
Corona CA
7-9-2006
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The vibration is going to be a wheel balance issue. The humming noise is most likely internal transmission bearing going bad. That could also be clunk you're hearing.
-Kenny
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (MaximA32) | 6:30 PM 7/19/2008 |
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awesome, thanks man. So i guess its time for a new tranny? Or can i replace that bearing without major overhaul of the tranny. Also you think it could be bad u-joints?
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MaximA32
Super Moderator
Offline
4443 posts
1998 Maxima
Corona CA
7-9-2006
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Without having the car in front of me, I couldn't tell you for sure.
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (MaximA32) | 12:15 AM 7/20/2008 |
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understand, thanks for the help
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (silviaS13milknhoney) | 4:50 PM 7/21/2008 |
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Alright so i had all four wheels balanced today, still the same problem. I have replaced ALL the bushing up front, none in the rear. Both ball joints up front and sway bar links. The shake dies down from 65 to 75ish and then after that it gets really bad. All the struts are orginal and it has 15" aftermarket wheels. The shake is an up and down motion more than a side to side. Also before the alignment it was a lot worse, what elso do u think i should try, and thanks again
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RubyRed240
Offline
31 posts
1993 Nissan 240 SX SE - S13 Coupe
Fort Lauderdale Florida
7-28-2007
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| « Re: (silviaS13milknhoney) | 6:51 PM 7/30/2008 |
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I had a similar problem, fixed it by replacing the the tie rod ends and getting it re-aligned...
No clue if that is your specific problem, but I had the exact same shake and this fixed mine...http://www.srbpower.com/images...l.jpg
S13 'Chuki' - CoupeSetup: Near Stock
Transmission: Automatic
Mileage: 78,500
Current Status: Repair Process I'm a stock monkey, love it this way... Might do a light turbo (180 - 190 hp) on the old girl when she hits 100K...
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (RubyRed240) | 11:23 PM 7/30/2008 |
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hey thanks man, yeah i have replaced my tie rod ends, but not the inner's. In fact i just had it at a really good shop for 3 days and none of thier master techs could tell me whats wrong. At this point im at a loss, im just going to wait for school to start again in less than a month and go from there, but thank u man, another reason why i love this site
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Q45tech
Q45 Guru
Offline
11937 posts
1990 Q45 319,000 miles
Marietta , Georgia
4-30-2002
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| « Re: (silviaS13milknhoney) | 10:19 AM 7/31/2008 |
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Out of spec radial force in tires, warped wheels, brake rotors, bearings then suspension steering items.
http://www.t3auto.com/
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (Q45tech) | 1:43 PM 7/31/2008 |
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i can understand the wheel and tire thing. But how could bad wheel bearings cause vibration? It doesn't sound like any bearings are going bad. I kinda leaning towards my driveshaft
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RubyRed240
Offline
31 posts
1993 Nissan 240 SX SE - S13 Coupe
Fort Lauderdale Florida
7-28-2007
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| « Re: (silviaS13milknhoney) | 1:16 AM 8/2/2008 |
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I hate to break it to you, but many mechanics are just 'part changers' and have no idea...
I drove my car with its shake for nearly four years... and had taken it to just about every suspension shop in the duocounty area before I got fed up and gave her a looksee myself... Got the car fixed in about two hours then aligned it and all was well...You should jack up the car and send us pictures of the different components of your suspension on each side of the car. Maybe one of us will recognize the problem...  Hey its worth a shot if you're that bamboozled... EDIT:
But I just realized something... you say you think it might be the drive shaft... it could be bent or out of alignment, has your car been in an accident?
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (RubyRed240) | 2:24 PM 8/2/2008 |
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thanks man, no the car has never been wrecked but the front frame rails have been patched previous to me buying the car. I took it to a reputable frame shop and they told me they are straight. I will take some pictures of the underbody in a little bit and post them up. So what ended up being wrong with your coupe?
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RubyRed240
Offline
31 posts
1993 Nissan 240 SX SE - S13 Coupe
Fort Lauderdale Florida
7-28-2007
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| « Re: (silviaS13milknhoney) | 11:20 AM 8/3/2008 |
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needed new tie rods, sway bar bushings, and an alignment/balance...Good Luck man!!! 
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silviaS13milknhoney
Offline
84 posts
S13, 90 miata M
union ky
5-6-2007
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| « Re: (RubyRed240) | 6:01 PM 8/20/2008 |
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alright well after reaplacing my inner tie rods the other day and eye balling the toe angle, it seems to be slightly better on the highway and a lot better from 45 to 60. Wierd thing is that on the highway if i go straight for about half a mile, the shaking goes away a lot, and as soon as i make a slight curve left or right, there it is again, steering wheel just shaking back and forth. I'm about to run her into a tree and walk away laughing 
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