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Discussion Starter · #1 ·
Recently got a 2018 TRD sport. I've noticed a loud metal pop noise under the cab, sometimes very loud, other times moderately loud. Only happens every once in a while. As far as I can tell, it is louder when the rpms are higher. It almost has a springy tone to it. I think everytime I've heard it I was on the throttle, or just letting off. Sometimes sounds like its coming from driverside, and sometimes sounds like passenger. My thought is probably u-joint or driveline related. I'll be checking underneath the truck tomorrow when its light out, just thought I'd see what you guys thought before. Thanks.
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