Holden Rodeo 1978

Holden Rodeo 1978 Q&As

Check out real-world situations relating to the Holden Rodeo here, particularly what our experts have to say about them.

• Problems with the fuel gauge in my 2005 Holden Rodeo

  This is very possibly a fault with the power supply to the fuel pump rather than the pump itself. The clue is that the fuel gauge started playing games just before the engine shut down. The fuel gauge is controlled by the sender which is usually in the tank with the pump. They’re often supplied power by the same wiring. So any problem with the power to the fuel pump would also possibly show up as a fuel gauge that’s making strange movements.

  Start by checking the power supply to the pump, but don’t rule out a poor earth somewhere in there as well. Even though the fuse is okay, if the power wire or earth wire is loose/corroded/faulty/dirty/short-circuiting, then you may have found the problem.

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• Starting problem with a 2004 Holden Rodeo LX

  Any time a vehicle with the DOHC Holden V6 is mentioned as having a starting problem or check-engine light illuminated, mechanics will often go straight to the engine’s timing chain to check its wear. That’s because this engine is notorious for such antics and, when they occur, it can often mean poor starting and the dreaded check-engine light.

  However, in this case, the engine in question was an Isuzu-designed unit that doesn’t seem to have the same rash of timing chain problems. Which means you need to go back to basics and have the vehicle scanned to see if the onboard computer has logged the root cause of any problems.

  The fact that the check engine light is flickering and the starting problem is an intermittent one could mean anything, but a good place to start checking would be the various earthing points around the vehicle. Bad earths are a common cause for this sort of problem.

  The condition of the car’s battery is also a smart place to begin investigations. A lack of power in the battery is enough to make a lot of electronically fuel-injected vehicles throw in the towel on a random basis.

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• Will I be able to salvage the engine of 2004 Holden Rodeo after the seller drove across a creek without a snorkel and it took in water?

  When an engine (petrol or diesel) inhales water through its air-intake system, it's never usually a good outcome. Because water is – as is any liquid – non-compressible, the engine's pistons will try to achieve that but, in the process, the engine will lock up and all sorts of internal carnage can ensue.

  If you're lucky, the damage will be fixable but can still involve bent con-rods, broken pistons and bent valves. If the lock up was more severe, there's a chance that the engine block could be cracked or a con-rod has broken and punched a hole through the crankcase. Sometimes the force of the lock up is sufficient to smash the main bearing caps and throw the crankshaft out of place. In any of those latter cases, the whole engine would be considered a total loss.

  But even if you've gotten away with a bent con-rod or two, you'd still need to rebuild the entire engine and, in the context of a 2004 Rodeo ute, you might find you're spending more money than the vehicle is actually worth.

  A potentially better idea would be to find a good, tested second-hand engine from a wrecking yard or any other sort of damaged Rodeo and do a relatively simple heart transplant.

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• Holden Rodeo 2006: What does upgrade mean?

  There was a mid-model update released on the Rodeo late in 2005. It’s probably relating to that.

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