Quote:
Originally Posted by TwinTurboGTR
All N62 motors are susceptible to the Valley Coolant Pipe leak. Why it was made to be unserviceable is beyond me. As for coolant changes every 2 years doesn't necessarily make you bullet proof against a leak. It's just a matter of odds.
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I agree with your last two statements. The *only* thing coolant changes would do is ensure (but still not 100%) that contaminants are out of the system and flushed with new fluid. However, I still don't think that matters as much as the odds, as you say.