Quote:
Originally posted by oldsouth
Just had the turbo re-built about 20,000 miles ago. A compression and leakdown test should tell me about the health of the internals shouldn't it?
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It will help. If the numbers are BAD, then you'll know you need major work. If the numbers are OK (or within min spec), it doesn't necessarily mean things are OK... just that they're not bad enough to register as anything besides increased oil consumption (for now). As the condition worsens, though, compression will get worse, smoking will increase, and power will drop....