This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure Description and Service sections updated to clarify that vehicle reports are not required.
full bulletin at NHTSA ↗2007 Volvo S40 engine problems
moderate 4 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
4
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 4 engine complaints filed for the 2007 Volvo S40, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA engine complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Engine Control Module (EMS) Software (MSW) Information â August 2022; Improvement List (Change Log) - US21+OBD22 (13L VGT, TC) And US17+OBD22 (11L) Emissions
full bulletin at NHTSA ↗This is a Technical Journal: Oil in cooling system. New cleaning method developed.
full bulletin at NHTSA ↗This is a Technical Journal: Oil in cooling system. New cleaning method developed.
full bulletin at NHTSA ↗This is a Technical Journal: Oil in cooling system. New cleaning method developed.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
The cooling system and defrost shut down after driving for a while. Turns out the clutch went bad on the compressor. After researching further online, there are many complaints about this failure. Unfortunately, this is a very expensive repair that I cannot afford. *tr
I own a '07 Volvo s40 with 78,000 miles. It began making a loud whistling noise coming from the oil dipstick. After researching online I found that it was a known problem by Volvo and the defective part is covered under an extended warranty, however this defective part causes excessive damage to the engine that is not covered by Volvo. It is now up to the consumer to pay for the engine damage or…
Tl* the contact owns a 2007 Volvo s40. While driving, there was an abnormal noise coming from the engine and the check engine warning light illuminated. The vehicle was taken to an independent mechanic who diagnosed that the pvc valve failed. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 117,000.
Tl*the contact owns a 2007 Volvo s40. The contact has recently rented three zip-cars within the past few months and has detected an unusual scent coming from the vents. The pants he had hanging inside the vehicle had a faint smell to them once he arrived home. He believes there could be asbestos inside the vehicles. The dealer and manufacturer have not been notified. The VIN and engine size…
Had engine trouble with your 2007 Volvo S40?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2007 Volvo S40?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 4 complaints filed, engine issues most often appear around 97,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2007/Volvo/S40.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.