Holden Colorado FAQs
How can I test if there's too much blow-by in the engine of my 2010 Holden Colorado?
The symptoms you have certainly suggest an engine with far too much blow-by (combustion pressure escaping past the piston rings and into the crankcase). Sometimes, the same symptoms can be caused by a crankcase ventilation system that isn’t working properly, but it’s often blow-by that’s the cause. That’s usually the result of internal engine wear which, at 290,000km and counting, is hardly out of the question.
Basically, the observations you’ve made regarding crankcase fumes are about as far as you can go without actually performing a compression and cylinder leak-down test. The good news is that these tests aren’t overly complicated and don’t take long, but they will give you a vastly more accurate idea of what’s going on inside the engine. Oil in the intercooler can also be a sign of this sort of wear, but, as you’ve been told, can also be the fault of blown turbocharger seals. Either way, it sounds like your engine is due for a freshen up in the name of reliability and clean running.
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Holden Colorado 2011: Clutch pedal staying on the floor
On the surface it would seem that there is a problem with the clutch, it could be that the pressure plate has collapsed or something similar. Pulling the gearbox out should enable the mechanics to find the cause of the problem.
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Holden Colorado 2010: Do I need a catch tank?
On the surface it makes no sense at all. I would suggest that you go back and talk to the person who gave you that advice and get them to explain it to you in terms that you can understand it.
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