GS450 front clunk
#1
Former Sponsor
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GS450 front clunk
Hi all,looking for some pointers for a specific suspension noise on my 2009 450.
front on one side only has a very distinct clunk when I drive over and kind of speed bump at any speed unless i crawl over it at a virtual standstill...
there are no other symptoms at all,no vibration,no pulling,nothing..
I have had the wheel off today and had a good look around with a pry bar and cant see anything obvious at all on either arm,both bushes top and bottom seem ok? and ball joints have no obvious play,holding the wheel at 3/9 and 12/6 doesn't reveal anything apart from a possible noise higher up in the wing..
lifted the hood and removed cover,nothing to see however didn't remove the suspension top cover,is there a normal top mount bush in there?
Any pointers welcome as I know how difficult and expensive it can be to diagnose clunks from previous experience..
thanks
front on one side only has a very distinct clunk when I drive over and kind of speed bump at any speed unless i crawl over it at a virtual standstill...
there are no other symptoms at all,no vibration,no pulling,nothing..
I have had the wheel off today and had a good look around with a pry bar and cant see anything obvious at all on either arm,both bushes top and bottom seem ok? and ball joints have no obvious play,holding the wheel at 3/9 and 12/6 doesn't reveal anything apart from a possible noise higher up in the wing..
lifted the hood and removed cover,nothing to see however didn't remove the suspension top cover,is there a normal top mount bush in there?
Any pointers welcome as I know how difficult and expensive it can be to diagnose clunks from previous experience..
thanks
#4
Former Sponsor
Thread Starter
ok so an update- I took it to the garage and they too could find no fault using shaker plates etc?? however I have noticed today that if i steer sharply at the exact moment I hit the bumps then there is no clunk at all...surely this helps pin point it to a particular part lol?!
#5
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Join Date: Jun 2018
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Hey Everyone,
I'm pretty much a do yourselfer type guy so, I change my front brake pads and rotors and I also replaced the rear wheel hub bearing on my 2009 lexus GS 350 now when I started it up the brake light and tracking light are on. How do I get those light to go off? Any suggestions
Thanks
I'm pretty much a do yourselfer type guy so, I change my front brake pads and rotors and I also replaced the rear wheel hub bearing on my 2009 lexus GS 350 now when I started it up the brake light and tracking light are on. How do I get those light to go off? Any suggestions
Thanks
#6
Hey Everyone,
I'm pretty much a do yourselfer type guy so, I change my front brake pads and rotors and I also replaced the rear wheel hub bearing on my 2009 lexus GS 350 now when I started it up the brake light and tracking light are on. How do I get those light to go off? Any suggestions
Thanks
I'm pretty much a do yourselfer type guy so, I change my front brake pads and rotors and I also replaced the rear wheel hub bearing on my 2009 lexus GS 350 now when I started it up the brake light and tracking light are on. How do I get those light to go off? Any suggestions
Thanks
#7
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Join Date: Apr 2013
Location: CA
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ok so an update- I took it to the garage and they too could find no fault using shaker plates etc?? however I have noticed today that if i steer sharply at the exact moment I hit the bumps then there is no clunk at all...surely this helps pin point it to a particular part lol?!
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