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Okay, so my 2000 honda civic ex y8 227,000 miles has some somewhat bad vibrations/wobble when im pressing on the gas. When I let off the gas pedal it crusies pretty smooth, then when I press it again, the problem happens. It seems to do this around 35-65mph then it seems to smooth out after 65 all the while foot on the pedal. I can put the car in neutral while im coasting at 60 and everything feels good and smoothes out. I have changed all motor mounts to new ones, thinking that was it but it wasnt. I know its not tires or balancing had those checked already and I dont think that would be it anyways because it does this only when the gas pedal is pressed. Any ideas? Thanks in advance.
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Ahh ok. Thanks everyone for the input. I will come back eventually when I figure out the main problem. Thanks again..
Ok its been a year since I finally got a few things done. I just recently installed left and right brand new axles, new inner and outer tie rods both sides, new KYB struts and spring assembly both sides. Now after replacing the tie rods I drove a while and it wore down the treads bald almost (yea I know I shouldve got an alignment after but I wanted to get most of the front end work done and let the alignment be the last thing money was tight thats why I couldnt get all the parts at once…). You can hear the tires making a wobbling noise when driving slow and as you build up speed it gets worse between 50-60 its so shaky I can feel it bad in my legs. So yesterday I rotated the bad tires to the rear and the good tires on back with tread to the front. It still drove exactly the same. I got an alignment today (because it needed it after the tie rods were installed) and again it still drives the same way. I replaced the rotors about 2 years ago because it was pulsating when I was breaking. But even after the new rotors it still pulsated. I dont know what else to really do because The tires that are on there now I bought all 4 brand new a couple years ago and I took them to another person to rebalance them to double check it wasnt that he said that it was good as far as being balanced. Where can I go from here?
As I’ve posted before, were it me, I’d jack the front end up completely and run it as safely as I could to try and track down what the cause is. You’ve eliminated just about everything aside from a transaxle or bearing issue from what you’ve posted.
ok, I jacked up the front end, put it in D4,and both wheels were moving. I pressed the gas pedal and it was going through the gears. I heard some kind of slight grind noise somewhere I guess in the inner axle area maybe. It was hard to really tell. I put my spare tire on and drove and it did the same shaking but I could hear a little grind noise when I drove it. I could pull on the drivers side axle shaft and I could pull it in and out of both of the axle boots, it make a clank noise when I move it back and fourth but I dont know if that has any significance.
Were you able to hold one side still when you did this as Eric’s video showed? To see if it was a condition present for just one side? Perhaps even post a video?
[quote=”wk9k” post=92818]ok, I jacked up the front end, put it in D4,and both wheels were moving. I pressed the gas pedal and it was going through the gears. I heard some kind of slight grind noise somewhere I guess in the inner axle area maybe. It was hard to really tell. I put my spare tire on and drove and it did the same shaking but I could hear a little grind noise when I drove it. I could pull on the drivers side axle shaft and I could pull it in and out of both of the axle boots, it make a clank noise when I move it back and fourth but I dont know if that has any significance.[/quote]
The axles are bolted to the hubs. So, as you go over bumps and the front wheels go up and down, the distance from the transmission to the front hubs changes. To allow for this the inner constant velocity joints on the axles are made so they can move in and out. This is normal.
I did this also for each side and one side on the ground. Seemed like it was kinda rough going into gears (automatic) and when I got to the 50-60mph range it sounded and felt a little rough. It seems like there is so much going on in the front end that this one is kinda hard to diagnose for me and narrow it down to something specific. By looking and listening its hard to tell where its coming from.
edit: drove it this morning, seemed like for a while I could hear the drivers side wheel making a constant wa wa wa wa wa wa like it was wobbling or something especially at low speeds. And when I would brake there was a grinding noise in the brake pad rotor area. (I felt my rotors and they feel dug in a bit on inner and outer of both sides of both rotors.) Couldnt really hear anything on the passenger side. Then later on after about an hour it got worse like both sides just made the bad vibration at 55mph (give or take 5mph) thats when it seems to be worse like after I drove it more. And I can only tell when the weight of the vehicle is on the ground. Cant see anything really obviously bad when it was up in the air.
Everything you describe sounds like bad tires. Not just the front ones, the back ones too. You stated that they were also worn out due to suspension issues. Unevenly worn out old tires can cause issues just like this. In addition, Hondas aver VERY particular about the tires you use on them. There are certain brands of tires that cause more issues than others with Hondas. Generals, Brigstone, Dunlops, and Kumos just to name a couple. Michelins work best. Yokohamas, and Toyo’s also work, at least for a while. Before you go chasing this problem any further I would recommend 4 tires and an alignment. Yes, you will need to alingn the car again after you get new tires because when you alingn the vehicle with old tires it’s different than with new tires. The best time to get an alignment is just after you get new tires.
More info here.
http://www.ericthecarguy.com/faq/determining-the-causes-of-vehicle-vibrations
Ok I went back to where they did the alignment and I had the guy drive my car while I rode with him. He listened and drove it for a while, and came to the conclusion that as you said Eric, that it is the tires and that I should get a whole set and balanced, then he was telling me the recommended time to get them balanced periodically and rotated every other oil change. And I got to put in a new stud b/c I broke one off the front. So I will get this done and report back. Thanks all for the help.
Ok I got 4 new tires a couple days ago and it still vibrates not as bad as it did. But definately enough to make my feet numb after a 30 min drive. Just to make a cliff of what ive replaced in the car…
2000 civic auto..
-replaced all motor and trans mounts
-replaced rotors
-replaced drivers and passenger side axles
-replaced drivers and passenger side inner and outer tie rods
-replaced drivers and passenger side struts and springs
-new tires and balanced and alignmentIts like once it hits 4th gear at 50mph thats when it gets worse.. seems like when its under load. When I let off the gas pedal it smooths out a little. Also my brake scrub. And I just got new pads not too long ago. Any other ideas?
Just to throw in my $0.02– Sometimes when I can’t figure out the cause of an issue– I take it in and let the mechanic diagnose– I actually do the work of fixing it- but it gives you a place to start and usually for pretty cheap.
If it only happens at high speed, then it’s likely a balance issue. Something that rotates is the prime suspect. If it happens at low speed, perhaps you have a bent wheel or something. More info here.
http://www.ericthecarguy.com/faq/determining-the-causes-of-vehicle-vibrations
[quote=”wk9k” post=47557]Okay, so my 2000 honda civic ex y8 227,000 miles has some somewhat bad vibrations/wobble when im pressing on the gas. When I let off the gas pedal it crusies pretty smooth, then when I press it again, the problem happens. It seems to do this around 35-65mph then it seems to smooth out after 65 all the while foot on the pedal. I can put the car in neutral while im coasting at 60 and everything feels good and smoothes out. I have changed all motor mounts to new ones, thinking that was it but it wasnt. I know its not tires or balancing had those checked already and I dont think that would be it anyways because it does this only when the gas pedal is pressed. Any ideas? Thanks in advance.[/quote]
“When I let off the gas pedal it crusies pretty smooth, then when I press it again, the problem happens.”, doesn’t sound like a suspension problem to me, it sounds like an engine performance problem.
You may be right, in my ongoing attempt to solve this problem and the fact that I like learning as far as taking apart, fixing, and seeing how things work in a car. Im going to be replacing parts that need to be replaced. I have a somewhat bad oil leak that ive yet to get down to the bottom too. Seems like with the amount of driving I do per week I can fill it up with fresh oil and it can be just below the top dot of the dipstick. About a week and a half of my normal driving its below the bottom dot on the dipstick. Seems like the oil is coming out of everywhere, and I had a licensed mech “fix” it a while back and it still leaks. Said he did the rear main seal and I think the oil pan. Dont know if theres something up with the oil pressure or what.
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