What are the most common Volvo 940 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1994 Volvo 940 has 5 documented issues. The most frequently reported are: Engine Wiring Harness Degradation, AW30-43 Transmission Overdrive and Shift Issues, PCV System Flame Trap Clogging. Of these, 1 is rated critical and should be addressed promptly.
Is the Volvo 940 reliable?
The 1994 Volvo 940 has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Engine Wiring Harness Degradation. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Volvo 940 problems?
Repair costs for known Volvo 940 issues range from $30 to $1,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Engine Wiring Harness Degradation, typically costs $200-$800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1991-1995 Volvo 940 Engine Wiring Harness Degradation?
The engine wiring harness insulation becomes brittle and cracks, causing intermittent electrical faults, no-starts, and random warning lights. The heat and age cause the wire insulation to crumble, particularly around the fuel injection and ignition wiring. A very common issue on… Repairs typically run $200-$800. Severity: high.
What is the 1991-1998 Volvo 940 AW30-43 Transmission Overdrive and Shift Issues?
The AW30-43 automatic transmission develops overdrive lockout, harsh shifts, and eventually complete failure. The solenoid and valve body are common failure points. Repairs typically run $300-$1,500. Severity: medium.
What is the 1991-1998 Volvo 940 PCV System Flame Trap Clogging?
The PCV flame trap (crankcase ventilation system) clogs with oil sludge, pressurizing the crankcase and causing oil leaks from every gasket and seal. This is the number one maintenance item on all redblock Volvos. Repairs typically run $30-$150. Severity: medium.
What is the 1991-1998 Volvo 940 Heater Blower Fan Resistor Pack Failure?
The Volvo 940 blower motor resistor pack fails, causing the heater fan to only work on the highest speed setting. The resistor pack overheats and the solder connections crack. Repairs typically run $40-$200. Severity: low.
What is the 1991-1995 Volvo 940 A/C Compressor Clutch and Bearing Failure?
The A/C compressor clutch bearing fails with a loud screeching or grinding noise when the A/C is engaged. If the bearing seizes, it can damage the compressor shaft seal and the drive belt. The clutch gap increases with wear, causing intermittent A/C engagement. Repairs typically run $150-$700. Severity: low.
