2004 Volvo S40
Introduction:
The 2004 Volvo S40 is a compact luxury sedan that was offered with a variety of engine and transmission options. The base engine was a 2.4-liter inline-5 with 140 horsepower and 170 lb-ft of torque, while the T5 model received a turbocharged version of the same engine that produced 218 horsepower and 236 lb-ft of torque. Transmission options included a 5-speed manual, a 5-speed automatic, and a 6-speed automatic. The S40 was praised for its comfortable interior, responsive handling, and stylish exterior. However, it was also criticized for its lack of rear seat legroom and its relatively high price.
Engine
2.4-liter Inline-5
Leaking Oil Pan Gasket Description/Symptoms: Oil leaking from the bottom of the engine, especially after a recent oil change or during hard acceleration Solution: Replace the oil pan gasket Estimated Cost to Fix: $200 - $400 Recalls: None Found
Timing Belt Tensioner Failure Description/Symptoms: Rattling noise from the engine, especially when starting or accelerating. Loss of engine power. Solution: Replace the timing belt tensioner Estimated Cost to Fix: $500 - $1,000 Recalls: None Found
T5 2.4-liter Inline-5
Turbocharger Failure Description/Symptoms: Reduced engine power, excessive smoke from the exhaust, turbocharger noises Solution: Replace the turbocharger Estimated Cost to Fix: $1,000 - $2,500 Recalls: None Found
Transmission
5-speed Manual
Clutch Wear Description/Symptoms: Slipping or dragging clutch, difficulty shifting gears Solution: Replace the clutch Estimated Cost to Fix: $600 - $1,200 Recalls: None Found
5-speed Automatic Transmission Fluid Leak Description/Symptoms: Transmission fluid leaking from the transmission pan or lines, slipping or delayed gear engagement Solution: Repair or replace the leaking component Estimated Cost to Fix: $300 - $800 Recalls: None Found
6-speed Automatic Torque Converter Failure Description/Symptoms: Transmission slipping or shuddering, loss of power Solution: Replace the torque converter Estimated Cost to Fix: $1,500 - $2,000 Recalls: None Found
Suspension
Front Control Arm Bushings Wear Description/Symptoms: Clunking or squeaking noises from the front suspension, uneven tire wear Solution: Replace the worn control arm bushings Estimated Cost to Fix: $200 - $400 Recalls: None Found
Electrical
Alternator Failure Description/Symptoms: Dimming headlights, electrical system problems, battery not charging Solution: Replace the alternator Estimated Cost to Fix: $300 - $600 Recalls: None Found
Battery Drain Description/Symptoms: Battery discharging quickly, difficulty starting the vehicle Solution: Identify and repair the source of the battery drain Estimated Cost to Fix: $100 - $500 Recalls: None Found
Exterior
No Issues Found
Interior
Climate Control Malfunction Description/Symptoms: AC or heat not working properly, erratic temperature control Solution: Diagnose and repair the climate control system Estimated Cost to Fix: $200 - $800 Recalls: None Found
Power Window Failure Description/Symptoms: Power windows not operating, stuck in place Solution: Replace the window motor or switch Estimated Cost to Fix: $200 - $500 Recalls: None Found
Summary:
The 2004 Volvo S40 is a reliable vehicle overall, however it is not without its issues. The engine and transmission are generally robust, but there are some potential problems to be aware of, such as oil leaks and timing belt tensioner failure. The suspension and electrical systems are also generally reliable, but issues such as worn control arm bushings and alternator failure can occur. The interior is well-made, but climate control and power window malfunctions have been reported. Overall, the severity and cost of the issues are relatively minor, but potential buyers should be aware of them before purchasing a used S40.