Reply With QuoteAre your lugs on securely?
knock, knock...
Not sure if this is a suspension issue...I am driving straight and once a while I hear these thuds under the front console area or passenger seat area. I can feel something hitting from uder the car, but I got under the car and checked the cat and other stuff and I cannot replicate the problem. Anyone had this happen before? It hits 4-6 times and goes away for 15 minutes or more before it happens again. First noticed it last night after the car was parked 5 days. Any ideas?
Are your lugs on securely?
check your LCA ball joints and bushings, tie rods, struts, it could be ur suspension.
Originally Posted by ep_hatcher_510
I jacked up the front end, checked the wheels, tires, checked for play on the ball joints, started the car and accelerated with the wheels off the ground to see if I could replicate the problem but so far nothing...car only has 50k miles and looks fine underneath...
omggggg i've been hearing the same really loud knocking noise from underneath the front passenger side area... it just happens randomly, maybe every 2 months for about 5 seconds... my front end is tight... exhaust is tight, i have no idea where to look since its so intermittant.
It's weird becaise you tend to suspect that something is loose but cannot find anything wrong...I am thinking maybe my pax side strut is going bad for a few seconds here and there and is somehow transferring the impact onto the frame underneath the car...I do not know what else it could be at this point.
ive had this thud sound before myself. Its only when it rains, i would have to say its the exhaust. why it does it tho.... noclue, cause it can drive me nuts.
hmmm, now that you mention rain, it was raining when it happenned, and that can point to rain getting between the cat and the heat shield above it and maybe moving the cat around? I do not see how else it could happen if that's what it is. There is a gap between the cat and the heat shield...ive had this thud sound before myself. Its only when it rains, i would have to say its the exhaust. why it does it tho.... no
i can't recall if it was raining the first time i heard the noise, but today was raining and it did happen today... i don't think it would be the exhaust... i would only suspect that it would happen much more frequently... my guess is the abs pump operating, since its in the passenger front side... hard to tell.. i'll have to wait until it rains again...
Can you list your suspension mods?
I'm stock...
Not sure that the ABS pump should create a repeating thud that you can feel with your hand on the floor pan...
oh.. i'm not sure... i never had the chance to actually take time to listen b/c it happened just as i was coming to a stop...
have you had any clutch work cuz 4-6 months after a new clutch and flywheel i heard a thud from under the car kinda under the cup holders. it would happen when i shift and go over speed bumps. so i took it to the shop and the tranny mounts were loose. i supose from slamin 2nd here and there. i also had this problem in a firebird when i actully broke the mounts. good luck
alright when i was painting my wheels i had two other rims with bald tires on temporarily.. whenever i drove, as soon as i let off the gas to slow down there would be the most terrible thud thud thud it felt like the wheel was going to roll off. lugs were tight i have no idea what it was. never did it with my stock wheels
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