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Strange new engine sound


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Howdy. I have an 83 DL wagon and just noticed a sound in the engine i've not heard before. When I am driving and have the gas pedal engaged it sounds smooth as normal, but when i let up on the gas to coast the engine start making a chugging sound, kind a sharp sound like 2 pieces of paper rubbing together. THen, when i press the gas pedal to pick up speed it smooths out again. Any ideas? Thanks.

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very hard to tell without actually hearing it.

by your description it sounds like it may be related to the engine/transmission mounts allowing somthing like the fan to hit the shroud when the engine shifts.

also check the drive shafts for wear or debris rubbing on them.

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