LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Exhaust crackling?

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Old 02-16-10, 03:23 PM
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justinp95
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Default Exhaust crackling?

My exhaust seems to be crackling while on and off. It seems to be coming from between the the cats and the y pipe. Anyone know why this would be?
Old 02-16-10, 04:22 PM
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PureDrifter
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no CELs or the like? its normal.
Old 02-16-10, 10:00 PM
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normal metal heat expansion from a high temp soak
Old 02-17-10, 07:29 AM
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justinp95
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No cel's. But i do hear a grinding like noise in the same spot inside the car? Only while the car is still. Didnt know if they were related
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