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Cadillac
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2004
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CTS Base, 3.6 7
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Automatic Transmission Troubleshooting
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Popping Noise
Popping Noise
Popping Noise
Checks
Action
DEFINITION: A popping noise, similar to popcorn popping
Oil Pump System
Check fluid level.
Inspect for pump cavitation, indicated by bubbles in fluid.
Inspect the transmission fluid filter for a leaky seam.
Inspect the transmission fluid filter seal for improper positioning or for a cut seal.