Quote:
Originally Posted by WhiteMale
SO this isn't a line rattling, it's more complex than that...right?
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Its not a rattle. It's a ticking sound from the fluctuating fuel pressure caused by a crimp in the fuel line during assembly. GM has know about it for several years and it's due to them having 2 different part numbers for the same fuel line. One of them is a tad too long, so when it's connected during assembly it gets bent just enough to be a problem. Not major but the sound is very irritating and you will notice a bit of hesitation when you get on the gas real hard.
I noticed my car had it from the day I took delivery of it with 2 miles on it. The dealer put it on the rack and first told me it was normal due to the high pressure fuel pump. A friend has a ZL1 one year older than mine and he never had that noise. Then I was told it was just a rattle, the fuel line rubbing against the frame. Then I was told it was an exhaust leak and it did sound like one.
Finally after getting all the managers involved at the dealership, the suddenly discovered the service advisory that GM had put out a year or two prior.
1st they sent the fuel line for an SS so we had another delay. Finally got the right part and problem solved. Total... 2 months and this is how they returned my car after the first 6 weeks of having it.