Rattle when starting up, 2003 6.6. When you first start it sounds like a rattle or? I guess before bearings get oil pressure. When it sets for a few days it’s is longer. Maybe a full second. But maybe just a diesel thing? Any ideas. 260k plus miles. Almost sounds like bearings?
Engine start noise
- Thread starter Bill bent
- Start date
GMC AT4 Forum Photos
GMC AT4 Forum Photos
