GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Rattling sound from the engine

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Old 05-08-09, 10:43 PM
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MauiGS300
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Default Rattling sound from the engine

I know i have to replace my Radiator because its leaking & replace my timing belt, sealer, thermostat gasket & water pump, And now my Power Steering pump also because it started to leak. This weird sound coming from the engine whenever i press the gas pedal, i can't figure out where its coming from but can someone help me out on this, im getting scared. I dont wanna drive till i get everything replaced but i want to know where the sound is coming from if its SERIOUS or NOT!?

Please Someone Help Me With This Problem?
Old 05-08-09, 10:56 PM
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GS4_Fiend
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Can you elaborate on the sound? From my first guest, since you said the power steering is leaking, I think your p/s pump is making the whinning noise because it's low on fluid since it's leaking.
Old 05-08-09, 11:02 PM
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MauiGS300
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Originally Posted by GS4_Fiend
Can you elaborate on the sound? From my first guest, since you said the power steering is leaking, I think your p/s pump is making the whinning noise because it's low on fluid since it's leaking.

it sounds like a rattling vibration when i press the gas on park, it still goes its just it makes that sound then its back to normal, & my power steering fluid still has half in it, but i noticed it's leaking under neath & now its getting into the timing belt, pulley, sealer & water pump so im not sure if thats why its causing it to rattle, but im waiting to see once i replace all the parts hopefully it goes away. I just have to wait for it to come!
Old 05-09-09, 12:26 AM
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1996gs300
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I am going to go with the powersteering pump, my first gen gs300 is currently making a tapping noise too. The pump is leaking and by listening around it seems to be coming from from that area.
Old 05-09-09, 11:34 AM
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VNN326
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are you sure, theres no cats under your hood LOL.
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