740 / 760

1982-1992 / Sedan / Estate / Sweden

All 740 / 760 problems All workshop issues

Critical Interior

Heater Blower Motor Failure

Symptoms

No air from the vents, or the blower only works on one speed.

Cause

Blower motor brushes wear out, or the resistor pack (which controls fan speed) burns out.

Fix

Replace the blower motor (under the passenger side dashboard, annoying to reach) or the resistor pack (easier, it's behind the glove box).

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// More 740 / 760 problems

Other known issues

Common Interior

Window Regulators and Switches

Windows move slowly, stop halfway, or don't move at all. Sometimes the switch itself feels dead.

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