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MOTRS

740 / 760

1982-1992 / Sedan / Estate / Sweden

All 740 / 760 problems All workshop issues
Common Brakes

Brake Accumulator Failure (ABS Models)

Symptoms

ABS light on, hard brake pedal, pump runs constantly or not at all.

Cause

The accumulator (a pressure sphere in the ABS system) loses its nitrogen charge. It's a wear item, but many are still on their original unit.

Fix

Replace the accumulator.

It's expensive (£300-500) and a pain to bleed properly.

Some people delete the ABS and fit a conventional master cylinder instead.

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// More 740 / 760 problems

Other known issues

Common Brakes

Rear Caliper Seizing

Handbrake sticks on, one rear wheel gets hot, pulling to one side, burning smell after driving.
Critical Engine

Oil Leaks from Cam Seals and Valve Cover Gasket

Oil puddles under the front of the engine, sometimes dripping onto the exhaust manifold and smoking. The valve cover gasket weeps oil down the side of the block.
Critical Engine

Timing Belt Failure

The engine dies instantly, often with a loud slap or clatter. Won't restart. If you're lucky, it just stops; if you're unlucky, bent valves and a destroyed head.
Common Engine

Flame Trap Clogging (PCV System)

Rough idle, oil leaks from every seal, oil in the intake tract, sometimes a whistling noise from the crankcase breather.
Critical Engine

Oil Consumption (Turbo Models)

Blue smoke on startup or under boost. Oil level drops a quart every 500-1000 miles.
Critical Cooling System

Radiator and Heater Core Leaks

Sweet smell in the cabin, puddles of coolant under the car, overheating, fogged windscreen that won't clear.
View all 27 740 / 760 problems