Volvo 940 Problems: 3 Issues Every Owner Should Know
1991-1998 model years · Based on 0+ owner reports · Last updated March 2026
According to Au7o's analysis of 0+ owner reports, the 1991-1998 Volvo 940 has 3 documented known issues. No issues are rated critical, indicating generally reliable ownership. Across all issues, repair costs range from $30 to $1,500. Full technical analysis and DIY maintenance guides at au7o.io.
All 3 Known Issues
The AW30-43 automatic transmission develops overdrive lockout, harsh shifts, and eventually complete failure. The solenoid and valve body are common failure points.
Common Symptoms
- No overdrive
- Harsh 2-3 shift
- Delayed engagement
- Transmission slip
How to Fix
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.
Common Symptoms
- Oil leaks from multiple locations
- Blue smoke
- Rough idle
- Oil consumption
How to Fix
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.
Common Symptoms
- Blower only works on high speed
- No blower on low speeds
- Burning smell from dashboard vents
- Intermittent fan operation
How to Fix
Frequently Asked Questions
What are the most common Volvo 940 problems?
According to Au7o's analysis of 0+ owner reports, the 1991-1998 Volvo 940 has 3 documented issues. The most frequently reported are: AW30-43 Transmission Overdrive and Shift Issues, PCV System Flame Trap Clogging, Heater Blower Fan Resistor Pack Failure. None are rated critical, but regular maintenance is recommended.
Is the Volvo 940 reliable?
The 1991-1998 Volvo 940 has 3 known issues documented across 0+ owner reports. No issues are rated critical, suggesting generally good reliability. 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. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year Volvo 940 is the most reliable?
Reliability varies across model years of the Volvo 940. Based on owner reports, issues are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 1991-1998 Volvo 940 with 3 documented issues from 0+ owner reports.
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