Nixon Auto Electrics

From the workshop

Advice, not sales pitches

The stuff we end up explaining on the phone twice a week, written down so you can read it before you ring. If something here saves you a call-out, good.

5 min read

ECU tuning for towing on the Tablelands: what a remap will and will not do

A remap changes how the engine actually behaves: where the power comes on, how it tows, and how much fuel it drinks doing it. For a diesel that spends its life towing up and down the range, a towing tune is a different thing to one chasing a peak power figure. Done properly it makes a vehicle nicer to drive and cheaper to run. Done badly it costs you an engine.

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4 min read

Tractor air con not cold? Sort it before the wet season

Cab air conditioning fails in the build-up, when every machine on the Tablelands is working and nobody has a spare day. A system that was weak at the end of last season has not fixed itself over winter, and a leak found in October is a repair. The same leak found in January is a lost week.

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4 min read

Car will not start? How to tell a battery from a starter motor from an alternator

Nine times out of ten a car that will not start is the battery, the starter motor or the alternator, and from the driver seat all three feel about the same. The clues are in what happens when you turn the key: a rapid clicking usually means a flat battery, a single loud click with nothing else points at the starter, and a car that starts fine with a jump but is dead again the next morning is usually the alternator or a drain, not the battery.

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4 min read

Why your car air con loses gas, and what actually fixes it

Car air conditioning is a sealed system, but it is not a perfectly sealed one. Refrigerant seeps out slowly through rubber hoses and rubber seals, so every system loses a little over time. If yours has gone from cold to warm quickly, that is not normal seepage, that is a leak, and topping it up without finding the leak just puts the same gas back out onto the road.

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Got a fault that is not in here? Ring us and describe it. We would rather talk it through than have you guess.

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