Grinding Noise...How to Check? - Maintenance and Repair Forum

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Grinding Noise...How to Check?
Wednesday, March 07, 2007 2:37 PM
I have a 96 z24 and when i turn my wheel to the left it makes a rubbing, grinding like noise. Its fine when I drive strait or turn right. It does not make the noise at low speeds. Only above 40 and its louder at 80 only when turning left.

Now I did a search and read allot on wheel bearings, and hubs and stuff. But what i want to know is, how to perform the proper tests to determine what it might me. Any info will help.




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The Chronicles of Dust
View the website and read the Novel.
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Re: Grinding Noise...How to Check?
Wednesday, March 07, 2007 4:01 PM
It sounds to me like your left side front wheel bearing hub is making the noise. To test it, jack up the front end and spin each wheel (in neutral) - you should hear a noticeable difference between your left and right wheels. To see if your wheel bearings are loose, simply wiggle the tire to see if there is any play.
Note: On the Z24's with the 2.4 motor the left side wheel bearing hub is always the first to go because it is on the same side as your powertrain.
I have a 99 Z24 with 296 000 km and the only front end parts I have replaced are the left side wheel bearing hub (twice), struts and strut mounts(both sides).
Best of luck.
Re: Grinding Noise...How to Check?
Thursday, March 08, 2007 5:42 AM
Thanx Andrew. Jacked up the car but there is no play. How hard is it to change the assembly? What size tools do i need?


---------------------------------------------------------
The Chronicles of Dust
View the website and read the Novel.
http://dustnovel.webs.com




Re: Grinding Noise...How to Check?
Thursday, March 08, 2007 9:49 AM
It takes about an hour with the proper tools. If you can do a front brake job, you can change a wheel bearing hub. You have to unbolt the calibre and remove the brake rotor. It has been awhile, but I think you need torx sockets (probably metric) and a large socket to get the centre wheel nut off (not sure what size). A few good hammer taps from the inside of the wheel bearing outward after all the bolts/nuts are removed should free the old hub. When you install the new hub, torque the centre bolt to 140 ft lbs.
Should I have left out any details, perhaps someone else can fill in the blanks.
Re: Grinding Noise...How to Check?
Sunday, March 11, 2007 6:16 AM
Anyone know the size of the socket i need for the center bolt?


---------------------------------------------------------
The Chronicles of Dust
View the website and read the Novel.
http://dustnovel.webs.com




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