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Since this is an '03, it should be running a 4L60-E transmission. This transmission was fairly anemic as far as being able to stand up to an LS motor. If it has 240k miles on it, that is actually a huge amount of mileage for this transmission. As suggested, this transmission is due for an overhaul. I would bet the sun shell is worn out, as well as all the ...


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This sounds like one (or both) of your u-joints is (are) bad. If the u-joint has dried out and the needle bearings are dry, when they rotate as they are supposed to, they bind/release causing a pinging noise like you are describing (it reverberates through the hollow drive shaft). The reason you only hear it at lower speeds is because the road noise covers ...


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You will need to inspect your driveshaft for security from front to rear, bolts, joints, brackets and for any damage. Are you sure the pinging is from your driveshaft? Pinging is normally associated with engine pinking, especially when accelerating from a low speed.



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