Also known as: hr10, 1.0 hr, micra 1.0 engine, hr10det, hra0det, hr10ddt, 1.0 turbo nissan
The three-cylinder litre of the HR15DE's family — twelve valves, DOHC, 56.6 kW and 98 N·m — in the Micra K13 and the Brazilian Versa N17.
Its family's faults are its faults, and at 77 PS in a car that is not light there is rather less margin in it: an engine worked harder reaches the chain's 150,000 km sooner.
It is a Renault-Nissan engine, and the Renault name is different — the HR15DE is Renault's H4K and the HR16DE its H4M. A car with a Renault badge and this engine has the same parts and the same faults under another designation, which is worth knowing before searching for a symptom.
The timing chain stretches, and earlier than a chain should. By around 150,000 km it rattles; the tensioner is the usual first failure and a slipping chain follows it. Treat a rattle on this family as the chain rather than as ordinary noise — it is a chain-driven engine precisely so that it would not need this, and it needs it anyway.
And it has no hydraulic tappets. Valve clearances want checking about every 60,000 miles, which is a service item most drivers of a modern small car have never encountered and no warning light will ever ask for.
Cars fitted with this engine
6 generations, across 1 make. From the authored catalogue — an absent car means the catalogue has not reached it, not that the engine was never fitted.
Information, not instruction
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