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Discussion Starter · #1 ·
Hi all, I have recently bought a 99 forester gt with about 200k on the clock! It runs nicely but on hard acceleration, especially up hill it seems to have a slight thump that happens maybe every second and gets faster as the car gets faster then goes away at higher rpm. I would love some help pleaseeeee 🙂🙂
Thanyou
 

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G'day & welcome aboard!

It would help if you could identify from where the sound is coming e.g. front, rear, center, left right etc?

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Discussion Starter · #3 ·
Thanks for your interest Kevin! It’s hard to tell I actually haven’t been able to pinpoint where it’s coming from? It seems to happen if I am in let’s say second and going slow then put my foot flat and when it gets to maybe 3k rpm it starts to mske this sound?
 

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you need to put this up on a floor lift and run it while off the ground, to me it sounds as if it could be a differential bearing, but a main drive shaft u joint or carrier bearing is also possible, . lift and find it first then see, ........ stop flooring the engine for now, until you repair it
 
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