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D90 making "train whistle" sound
I actually posted this problem in the introductory forum. Think I should have put it here. So I'll repeat my problem. Once my engine warms up, it puts out a howling sound (sounds sort of like a foggy train whistle) and it get louder as the ride gets longer. With the hood open, it sounds like... -
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Hello to all ... and need D90 help
I have a 1994 D90 that is putting out a loud howling ( almost train whistle) sound. The noise or howl gets louder as the engine warms up. With the hood up, the sound sounds like its coming from the air filter chamber. I also noticed while outside with the engine running that the howl can be...- portpaf
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- Forum: Introduction
