A screw picked up on Western Avenue near Greenford or on the Oxford bypass is often repairable. Leave the road at the next junction, park at Westway Cross or Thornhill, and we check it.
A40 punctures often come on gradually. A nail near the Polish War Memorial or glass in the gutter at Gipsy Corner lets air out over miles rather than seconds, and the pressure warning lights up as you queue towards Hanger Lane or the Headington roundabout. The whole of Western Avenue is red route without any hard shoulder, so if the car answers the wheel, keep moving at a calm pace until you can exit at a proper junction.
Once parked, the tyre comes off and the fitter looks at both the tread and the inner lining. BS AU 159 permits a repair only when the damage measures 6 mm or under and lies within the main tread band, clear of shoulder and sidewall, with a single patch-plug bonded in from inside. Anything outside those rules means a new tyre instead; both costs are spelled out during the call.
Need something else? Our pages on 24 hour tyre service and broken tyre replacement on the A40 explain those jobs.
Westfield London car parks off Wood Lane, Westway Cross retail park at Greenford and the Thornhill park and ride by Headington are all suitable. The elevated Westway, the Hanger Lane gyratory and any bypass lane never do.
| Road | A40 Westway, Western Avenue and Oxford northern bypass |
|---|---|
| Operator | Transport for London (London) / National Highways (trunk sections) |
How a mobile puncture repair is done →Puncture repair on the A40 page
Slow punctures from the A40 through west London often show up the next morning outside Perivale station, at a unit on Grand Union Enterprise Park in Greenford or on a street in North Greenford. The fitter inspects the tyre where it is parked and repairs it to BS AU 159 if the damage is within the permitted area; otherwise a replacement is offered and priced first.
While you wait off the A40, leave the car where it stopped and keep any sealant aerosol unopened, since that sticky film inside a tyre can defeat a lasting repair. Spot the nail or screw, then note if it is dead centre or drifting outward to the shoulder; that position decides whether patching is allowed. Lay the wheel lock key on the dashboard. A residential road near North Acton station beats any spot on Western Avenue.
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Puncture from the A40? Leave at a junction, park, and call us.
