Volvo V70
Naturally-aspirated four-cylinder with 2.0 litres on the P1 platform from Volvo/Ford. DOHC with chain drive, good long-term stability with correct oil care. Adequate for everyday use; not a sporting engine.
Competent everyday unit
100 kW naturally aspirated for relaxed driving. Just about acceptable in the C30 — the T5 is considerably more entertaining.
Engine Weaknesses 4
The B4204S4 is an interference engine. Timing belt change at the latest every 90,000–120,000 km or 8 years. Missing service history on a used car is a warning sign — inspect the belt immediately.
Symptoms: Sudden engine stop, no restart, valve noise just before failure
The water pump of the B4204S4 is driven by the timing belt and should be replaced with every belt change. Pump leakage or bearing failure can cause overheating and damage the belt through escaping coolant.
Symptoms: Coolant loss without visible external leak, faint grinding noise, temperature rise especially in city traffic.
The variable valve timing solenoid (VVT) tends to oil up and sludge. Oil contamination in the belt area from a leaking VVT solenoid is a common finding during a timing belt change.
Symptoms: Oil in belt cover, rough idle when cold, slightly elevated oil consumption
The naturally aspirated B4204S4 on the P1 platform shares the typical Volvo-Ford 2.0-litre problem: the electronic throttle body carbons up and causes rough idle. Cleaning with throttle body cleaner is usually sufficient.
Symptoms: Rough idle, rpm fluctuations when warm, occasional stalling on pull-away.
Vehicle Weaknesses 8
The steering rack of the V70 III and S80 II develops leaks and increasing play at high mileages. A faulty steering rack costs around €2,000 to repair.
The front subframe on the V70 III and XC70 II frequently shows corrosion, which, if left untreated, affects the entire front axle assembly. On the XC70 II, the rear subframe also rusts on vehicles built before 2010.
The optional electronic self-levelling suspension on the V70 III XC models fails. Compressor or air springs need replacement; costs up to €1,600 with original Volvo parts.
The tailgate wiring harness breaks at the left hinge arc through metal fatigue. Particularly affected are the rear window heating element, brake lights, wiper and central locking. Typical and very common problem on the V70 III and XC70 II.
The rear control arm rubber bushings on the V70 III and XC70 II typically wear from 160,000–170,000 km and cause driving noises. Also a known issue on the S80 II. Replacement is essential for precise handling.
The audio and navigation system of the V70 III and S80 II fails due to cold solder joints in the control unit. Parking sensors fail at around 170,000 km. Xenon headlights burn out between 170,000 and 200,000 km.
The BLIS blind spot warning system fails due to moisture in the wiring harness or faults in the wing mirror sensors. The warning system remains permanently active or stops responding.
The leather and T-Tec upholstery on the V70 III and S80 II tends to crack and split at the seat bolsters of the driver's seat. This often begins at medium mileages.