Brought my Z06 in for the usual oil and filter change and inquired about 100,000 mile maintenance that may be necessary. In checking the car the technician found a crack in the coolant reservoir that was bubbling coolant - no major leak but it was something that could have stranded me on the highway if the crack worsened and I lost coolant. These guys are good, know my cars and are honest in their assessment of what needs to be done or not. Coolant reservoir was replaced and I will be doing certain maintenance at my next oil change.
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