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NOTE: This test should be done with original equipment tyres and wheels at the correct tyre pressure.
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Start the engine, and let it idle.
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Attach a commercially available spring scale to the steering wheel. With the engine idling and the vehicle on a clean, dry floor, pull the scale as shown, and read it as soon as the tyres begin to turn.
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If the scale reads no more than 29 N (3.0 kgf, 6.6 lbf), the power assist is OK. If it reads more, check these items:
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