What are those noises?? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 2 (permalink) Old 07-21-2006, 06:52 PM Thread Starter
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What are those noises??

Ok, I just got me 2006 truck 4X4 crew cab, has 16,000 miles on it. On warm up, I was hearing a slight cracking/popping noise from the driver side engine area. It would stop happening after warm-up most of the time. Yesterday I changed my oil and now it happens ALL THE TIME and is considerably louder! Anyone else having this problem or know what it is and how to fix it???
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post #2 of 2 (permalink) Old 08-03-2006, 09:15 PM
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As I recall that sound is considered normal , some call it a typewriter type of
sound .
GM stated that it is air bubbles bursting going through the oiling system , also
all diesel engines have this sound , but only the Dmax is most noticeable because of the quiet running of the engine.

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