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  • Classics Monthly

    Troubleshooting with Steve Rothwell

    Dec 24, 2021 6 minutes

    MORRIS 1100

    OIL PRESSURE CONCERN

    QI have a 1968 Morris 1100 which drives very well. I am extremely pleased with it and the car has given no major trouble. The engine and gearbox are smooth and very reliable, but the one concern I have is that the oil light will flicker when the engine is hot and I come to a standstill and allow the engine to idle. The car does have an oil pressure gauge, and according to this the pressure is around 60psi when running and drops to around 25psi when stationary and ticking over. The oil and filter are regularly changed, and I never exceed 5000 miles between changes. Should I be concerned about the flickering light?

    A The acceptable oil pressure on the Morris 1100 is 60psi when running and between 15-25psi when ticking over. As your gauge is reading at the top end of these parameters, I would expect that the problem is only with the oil pressure sensor which operates the warning light. Had you not had the gauge  

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