Quote:
Originally Posted by 1bad1/le
Being a GM certified tech with 25 years experience I could tell you that when the car comes into the shop you do your diagnosis . On an engine fault you call tech assist and the first thing they ask is if engine is modified. If it is which this car is you tell them.. Then they will ask for pics and descriptions of such mods and ask for pics . The dealer doesn't not have the authority to deny or out a block on warranties. I am not giving my opinion(yet) but just the ins and outs.
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If it was me I would have notified the customer first. I know all dealers are different when it comes to this. JMO