Skip to content
MOTRS

740 / 760

1982-1992 / Sedan / Estate / Sweden

Photo: Photo by OSX / Wikimedia Commons Public domain

// THE STORY

The 700 series replaced the 260 as Volvo's executive offering and continued the boxy design language that the brand was known for. The 760 launched with the PRV V6 and optional diesel, while the 740 used the proven redblock four-cylinder in both naturally aspirated and turbocharged forms. The turbocharged 740 became a cult favourite, delivering genuinely surprising performance from a car that looked like it should be parked outside a library.

In Australia, the 700 series was popular with professionals who wanted European quality and safety without the showiness of a BMW or Mercedes. The turbo models are increasingly collected, with low-kilometre examples commanding strong prices. The estate versions are particularly desirable, continuing Volvo's tradition of building the world's best station wagons. The redblock engine's legendary durability means well-maintained examples still have plenty of life left in them.

// SPECS
Body Sedan / Estate
Engine 2.3L Inline-4 Turbo / 2.8L V6
Country Sweden
Production 1982-1992
Units Built 1,375,439

Thinking of buying a 740 / 760?

What to look for, what to pay, what to avoid.

Read buying guide →
// KNOWN ISSUES

What to watch for.

View all Issues

Oil Leaks from Cam Seals and Valve Cover Gasket

Critical
Engine
What happens

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.

Why it happens

The cam seal and valve cover gasket are rubber. After 100,000 miles or 15 years, they harden and leak. It's age, not abuse.

How to fix it

Replace the front cam seal (PN 1271500), rear cam seal if accessible, and valve cover gasket (PN 1218940). Use Volvo OEM gaskets, aftermarket ones often leak within a year. While you're in there, do the distributor O-ring and any other accessible seals. Budget 2-4 hours if you're handy.

View full fix

Timing Belt Failure

Critical
Engine
What happens

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.

Why it happens

The B230F and B230FT are interference engines. If the timing belt snaps, the pistons kiss the valves. Belts are supposed to be changed every 100,000 km or 10 years. Most people ignore the time interval.

How to fix it

Preventive replacement every 10 years or 100,000 km, whichever comes first. Use a Gates or OEM belt. Do the tensioner, idler pulley, and water pump at the same time, penny wise, pound foolish not to. If it's already failed, you're looking at head removal, valve replacement, and possibly piston damage. Engine-out job.

View full fix

Flame Trap Clogging (PCV System)

Common
Engine
What happens

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

Why it happens

The flame trap (a little plastic box under the intake manifold) clogs with oil sludge. This blocks crankcase ventilation, which pressurises the crankcase and blows oil past every seal. Volvo's fancy anti-backfire device becomes an oil-leak generator.

How to fix it

Remove the intake manifold (easier than it sounds), unscrew the flame trap, and replace it. Part is cheap. Clean out the PCV hoses while you're there. Some people fit an external oil catch can to avoid future issues.

View full fix

Oil Consumption (Turbo Models)

Critical
Engine
What happens

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

Why it happens

Worn turbo seals or valve stem seals. The turbo spins at 100,000+ rpm and relies on tight clearances; age and heat degrade the seals. Valve stem seals harden with age.

How to fix it

Turbo rebuild or replacement if it's the turbo (PN varies by year; expect £300-600 for a rebuilt unit). Valve stem seals can be replaced with the head on the car using a spring compressor and air pressure, but it's fiddly. Budget a weekend.

View full fix

Radiator and Heater Core Leaks

Critical
Cooling System
What happens

Sweet smell in the cabin, puddles of coolant under the car, overheating, fogged windscreen that won't clear.

Why it happens

Plastic end tanks on the radiator crack with age. The heater core (buried in the dashboard) corrodes and leaks. Both are 30+ years old now.

How to fix it

Radiator is straightforward, two hours, new radiator, bleed the system. Heater core is a dashboard-out job, which is as miserable as it sounds. Budget a full day and possibly some swearing. Use OEM Volvo or Nissens parts, cheap eBay radiators fail within a year.

View full fix

Expansion Tank Cracking

Common
Cooling System
What happens

Coolant level drops, small puddle under the passenger side of the engine bay, sometimes a pressure release hiss.

Why it happens

The plastic expansion tank gets brittle after decades of heat cycles. It cracks at the seams or around the cap.

How to fix it

Replace the tank. It's a 20-minute job. Don't bother trying to plastic-weld it.

View full fix
// TALK

Join the conversation.

View All Posts

engine and transmission mounts - do them all at once

tip0

Intercooler upgrade made a massive difference

tip0

Intercooler upgrade made a massive difference

tip0

AFM reading dodgy at idle, boost creeps up

question4

Boost control on 740 turbo, MBC is the go

tip0
// FAQ

Common questions.

View all FAQ

Own a 740 / 760?

Share your car with the community. explore more Volvo models.

Submit your story