Click/pop noise
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Joined: Nov 2024
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Click/pop noise
I am currently having an issue with my transmission, I believe. If you have time to check this video I would appreciate it. The truck is a 1978 k5 blazer with a sbc350 and a th350 turbo trans. It makes a single pop noise at certain speeds after warmed up (10 min of driving). It started when I was pulling a trailer. It would click upon immediate acceleration and kill the engine. Without towing it still clicks but usually at 30 and 50. I have replaced the modulator, and inspected the governor and accumulator; all appear fine. The transmission pan did have a gritty sludge layer at the bottom but nothing looked fresh. The fluid is pretty clean, but does have a slight burnt smell. Should I put a "trans fix fluid" to see if the clutch plates are worn, or does this sound more like a torque converter? Any help is appreciated.
Link to video: https://youtube.com/shorts/TPz5IbBFeBo?feature=share
Link to video: https://youtube.com/shorts/TPz5IbBFeBo?feature=share
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