Volvo V40 Radiator: Specs, Fitment & Common Faults
On the V40, Volvo has genuinely issued confirmed safety recalls on related models covering a coolant hose fire risk and a corroding cooling unit cover.
Illustration for editorial purposes
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Volvo V40 Radiator: OEM Part Number
| Manual gearbox, all engines | Standard radiator with no transmission cooling circuit — manual gearboxes genuinely don't generate enough heat to need one |
|---|---|
| Geartronic (Aisin automatic), all engines | A transmission oil cooler is built directly into the main radiator's tank as an internal circuit, sharing the same housing rather than being a separate standalone unit — if this internal cooler fails, coolant and transmission fluid can cross-contaminate into a pink, milkshake-like fluid that requires full radiator replacement, not just a coolant flush |
| Higher-power/turbo engines | Larger-capacity radiator core to handle the increased heat load, not a straightforward swap from the standard-output engine's radiator despite similar mounting points |
Volvo V40 Radiator: The Part That Keeps Everything Else From Cooking
This isn't a part anyone gets excited about, but on the Volvo V40, overlooked cooling problems are responsible for most serious engine failures that aren't simple wear-and-tear. Catching the early symptoms is about the cheapest insurance available against a major bill later.
Volvo V40 Radiator: What It Does
Keeping the Volvo V40's engine temperature within safe limits comes down to the radiator's job of transferring heat from the coolant into the surrounding air. Automatic-gearbox versions often build in a second circuit for transmission fluid cooling too, which is exactly why fitting the wrong part number can cause two problems, not one.
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A Genuinely Important Habit Worth Building: Checking for Open Recalls — Volvo V40 Radiator
Volvo has issued confirmed safety recalls on related models covering a coolant hose that can crack and leak onto extremely hot components, creating a genuine fire risk, and a separate UK-specific recall for a corroding cooling unit cover that could let moisture reach electrical parts. It's genuinely worth checking your specific VIN against the official recall register directly, particularly on a used car where you can't be certain a previous owner had every relevant recall completed.
It's also genuinely worth knowing an honest account: documented cases describe a car repeatedly displaying an overheating warning at seemingly random intervals, with the actual cause turning out to be an incorrectly displayed warning code rather than a genuine overheat.
Volvo V40 Radiator: Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Radiator Guide for the three common failure modes, confirming fitment against your VIN, and OEM vs aftermarket guidance.
More Volvo Radiator
The same part, covered across other Volvo models.