7point62fmj Posted May 9, 2006 Share Posted May 9, 2006 Ok here is the deal I have a 87 brat and just got new tires on it..(well I got new tires on it twice because i forgot to ask if I need a lift to fit 225,70,r15 at least it looked cool ) and now when I go over 40 I hear a hum like the kind of hum you hear when you pull on to the ribbed sides of the high way, just not as loud and I can feel it just a little bit in the steering wheel. When I turn around a wide corner it goes a way but when my steering wheel is stratight it comes back. Does any one know if wallmart did not balance the wheel right would it make this sound? SOME HISTORY- I dont know if any of this helps but I fixed the passanger side wheel berring last week and I need to replace the drivers side rotor becase it is BADDLY groved like almost through the other side groved and since I am not the first or third owner of this brat I dont know how long the rotor has been this way. Thanks John Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted May 9, 2006 Share Posted May 9, 2006 Sounds like wheel bearings to me. Maybe the other one is going. Jack it up, and try to move the wheel with the parking brake OFF. GD Quote Link to comment Share on other sites More sharing options...
7point62fmj Posted May 9, 2006 Author Share Posted May 9, 2006 I did that when I put the wheels on but I will try it again.. any other guesses. Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted May 9, 2006 Share Posted May 9, 2006 Agro tires - expecially Bias-Ply make a horrific racket. Especially when cold/new. But if you have radials it's probably a wheel bearing. Humming is generally wheel bearings - tires may vibrate, but unless they are the aformentioned type, they should be quiet enough. GD Quote Link to comment Share on other sites More sharing options...
4x4_Welder Posted May 9, 2006 Share Posted May 9, 2006 What tires did you put on? Quote Link to comment Share on other sites More sharing options...
subiemech85 Posted May 9, 2006 Share Posted May 9, 2006 anti rattle clips wheel bearings tires bad road I used to drive on the rumble strips when my back got sore Quote Link to comment Share on other sites More sharing options...
7point62fmj Posted May 9, 2006 Author Share Posted May 9, 2006 They are Douglas Xtra-trac. http://www.walmart.com/catalog/product.do?product_id=1819233&year=&make=&model=&vehicle_path=false&tire_spec_selected=&tire_width=175&tire_ratio=80&tire_diameter=13&tire_type=&tire_load_index=&tire_load_range=&tire_speed_rating=&tire_equivalent_load_index=&tire_size= I dont think it is bad road. I just got back from a trip to Denver that is 1000 miles round trip. Now that I think about it I may of had heard a rubbing sound when I was makeing a slow tight turn. I thought wheel berrings go " clunk" at least my last one did. Quote Link to comment Share on other sites More sharing options...
Loyale 2.7 Turbo Posted May 9, 2006 Share Posted May 9, 2006 Hi! I think that sound comes from the Tire Itself, Due to the Hard Rugged Pattern they have... when the Rubber "Bricks" of the corner of the tire hit the pavement, they made that sound... I got that problem long time Ago... in my Dad`s Truck... he did put on it a "Tractor" tires, they are extremly Noisy on Pavement. I suggest to make you be Sure about that, to drive your car with other Tires... Maybe you got a friend who has another subie and can let you use it`s rims with his Tires on yours just for a while... ...Try to drive it in the same street / road when you hear that noise, and if it still comes, ìs a Ball Bearing, if not, it was the Tire. In that case, you must become accustomed to it... Good Luck! Quote Link to comment Share on other sites More sharing options...
Mudboat Posted May 9, 2006 Share Posted May 9, 2006 An aggressive tread off-road tire will hum loudly on the highway. I have 32" super swampers on my Samurai. The radio is worthless at speeds over 40 mph.. Does the hum seem to be in quadraphonic stereo like it's coming from all around? If so then it's probably the tires. If the hum appears isolated to a particular tire, I'd go with a wheel bearing or balancing problem. With aggressive off-road tires, balancing is a problem quite often. You may want to look into dynamic tire balancing.. (don't laugh.. I used a commercial version of this in my tires and it works great... http://www.4x4trailhunters.com/article.php?id=18 Quote Link to comment Share on other sites More sharing options...
mcbrat Posted May 9, 2006 Share Posted May 9, 2006 if it only happens above 40, then I'd say its a tire feature since you just redid the bearings, you might want to have the alignment checked out too..... Quote Link to comment Share on other sites More sharing options...
7point62fmj Posted May 18, 2006 Author Share Posted May 18, 2006 I replaced the berrings on the other side now and the sound is gone. I have just a tad bit of steering wheel shimmer at high speeds. But a aligment should fixs that. So if you said wheel berrings to my question you were right:banana: Quote Link to comment Share on other sites More sharing options...
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