Holden Colorado FAQs
The steering shaft lower spline to steering rack in my 2016 Holden Colorado RG7 Trailblazer is loose
You really can’t afford to take any chances with a car’s steering system. The thought of this crucial system failing even at low speeds doesn’t bear thinking about, so if there’s any play or looseness in the system, it needs to be diagnosed and fixed properly with new parts if necessary.
Meantime, Loctite and other thread-locking products are designed to stop fasteners coming loose. These products are not designed to take up slack in worn parts and shouldn’t be used that way. Even if the thread-locker stops the fastening nut coming loose, it won’t do anything about the slack in the joint you’ve already noted.
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2009 Holden Colorado check engine light and limp mode are coming on
I think you’re on the right track by concentrating on the information being conveyed by the crank-angle sensor. But the problem is more likely to be a stretched timing chain rather than a dud sensor. The V6 engine in your Colorado is notorious for this problem and, when it happens, it throws the camshafts out of synch with the crankshaft. When the crank-angle sensor and the camshaft-angle sensor can’t agree that the positions of the crankshaft and camshafts relative to each other are correct, the problems start.
This lack of synchronisation is one of the things the crank-angle sensor is paid to look for and why it’s limiting engine speed or not allowing the engine to start at all. By clearing the fault code and disconnecting the crank-angle sensor, you’re stopping the error information being sent to the ECU and the ute starts first time (it’s probably taking a camshaft-angle reference when it can’t find the crank-angle information).
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My 2015 Holden Colorado isn't starting
The starter motor would be a very good place to start looking for the problem. If the battery checks out (and that presumes you’ve load tested it, not just run a voltmeter across its terminals) and the addition of a second jump battery only just turned the engine over, then, the starter motor is a likely suspect.
But don’t forget things like a poor earth somewhere on the car or a dodgy ignition or starter button. Once the engine is running, check the power going into the battery. You should be looking at between 13.2 and 14.5 volts going into the battery with the engine running if the alternator is pulling its weight.
Just because the battery indicator is showing green, does not mean categorically that it’s in good health. It can produce a surface charge that might show 12 volts with no load on it, but can fall to its knees when you load it up with the starter motor.
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