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I have posted this situation several times, but I can not get an answer. I find it hard to believe that I am the only one that has ever had this problem.
Here goes: My 1991 300D 2.5 has a loud nailing sound only at idle. It has new injectors, timing set electronically, the head was off to measure piston clearance/the rods are not bent & lots of other minor things checked. When I first start the car in the morning, it is very quiet (quiet for a diesel anyway). Once I hit the gas and then let up so that the car idles again, that is when the nailing starts. The nailing is loud only at idle. While I am driving, it is pretty quiet. The only thing that the four big local MBZ mechanics can tell me is the following: 1. It is definately fuel related. 2. It is nothing to be concerned about or an indicator of a larger problem. 3. Deal with it, the car is fine. I find it hard to believe that after $1,000 of work NOBODY can seem to figure this out and I am the only person on this board that has ever encountered this. Any input would be greatly appreciated. Thanks again for ALL of your help!!!! |
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