--- title: AdBlue in a Diesel Tank Cleobury Mortimer: Explained canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/cleobury-mortimer-shropshire/ location: Cleobury Mortimer county: Shropshire latitude: 52.378520 longitude: -2.484140 service: AdBlue in a Diesel Tank updated: 2026-10-12 --- # Avoiding AdBlue in a Diesel Tank in Cleobury Mortimer: Why It Occurs AdBlue already in your diesel tank? In that case set this page aside a moment, leave the ignition and motor off, then phone 0333 366 0103. Caught before the motor runs, it's generally a drain and a thorough flush, done where the car is around Cleobury Mortimer. If you are reading before it has happened, the rest of this page is about why it happens and how to make sure it does not. ## AdBlue in a diesel vehicle: two tanks, two fillers Many modern diesels in Bayton, like those in Cleobury Mortimer, carry on two fluids; the engine gets just your diesel. AdBlue goes to the exhaust, where it is sprayed into the gas to fresh it, and it lives in a tank of its own. There's a filler for each tank. Under one flap, next to each other: that is the layout on many motors. Elsewhere, AdBlue's filler is under the bonnet or in the boot instead. Topping up your diesel side at the pump happens all the time. Someone who has to stop and work out where it goes normally tops up the AdBlue side, from a bottle, and much less commonly. That gap is where the mistake lives. ## How AdBlue in the diesel tank takes place in Cleobury Mortimer It's seldom carelessness. Three things tend to line up. Haste follows from the warning. The car tells you as AdBlue runs low, and an empty tank puts the vehicle into limp mode — so the top-up happens quickly, before work on a drive off Tenbury Road, or on the way home in the car park outside Stables. New-to-you vehicles are next, as well. Hire cars, new motors and company vehicles place their fillers differently, and habit goes for the cap it used on the old one. A spouted bottle finds no obstacle at a diesel filler no more than at an AdBlue one. So the tip, after begun, carries on. Whether it occurs in Neen Savage or the middle of Cleobury Mortimer, it's the same few seconds. ## The AdBlue filler and the diesel filler: telling them apart A couple of seconds is all the checks take — so check them before you pour anything, on a driveway in Catherton or a forecourt around Cleobury Mortimer. - Colour and lettering: an AdBlue cap is often blue, or says "AdBlue", where a diesel cap usually does not. Go by the cap, not where it sits. - Look at the size: the smaller neck is, on plenty of vehicles, the AdBlue one. - Look inside your fuel flap: many vehicles have a label there saying which fuel goes where. - In the boot or under the bonnet: that's where the filler sits if it is not by the diesel cap, and the handbook tells you which. - Collecting a hire or company car, perhaps at the car park at Ludlow? Ask whoever drove the car last before leaving, not when the light comes on. ## AdBlue top-ups that never reach the diesel tank A routine for the day the light comes on, wherever in Shropshire that is. - Stop somewhere level, engine off, with time in hand — never rushing on the side of High Street. - Daft as it sounds, speaking "AdBlue" aloud as you unscrew the cap does the trick — after you've located the filler and read it. - Leave your diesel cap on. If both sit under one flap, check your diesel cap is still closed before you lift the bottle. - Gently is best, through the bottle's own spout, until it's full or the bottle runs out. - Before you start your car, shut the cap and look a second time that your diesel cap never came off. If at step two or three you find you have already poured into the diesel side, stop there. Don't go on to step five. ## Put AdBlue in the diesel tank in Cleobury Mortimer already? The short order of things, beginning with no starting the motor. The fuel pump runs on plenty of diesels as soon as the ignition goes on — so keep it off. Diluting it with more diesel won't work, since AdBlue settles to the base instead of mixing — and that's where the fuel is pulled from. If you are on a forecourt, whether it is the Co-op or the Premier Petroleum, ask the staff to help push the car away from the petrol pump. At home in Cleobury Mortimer? So your car remains where it is. If the motor has already run, stop as soon as it is safe and switch off. Leave the M5 — under 25 miles out of Cleobury Mortimer — at the next exit. A short hop across Cleobury Mortimer is a smaller job than a run towards Worcester, under 25 miles away, and so tell us about how far it went. ## What occurs when our engineers arrive around Cleobury Mortimer Our van reaches the car anywhere it stopped — your own drive, beside Captain Trow, or by Cleobury Mortimer Primary School. Both the work and the price rest on three answers — which fluid, which quantity, and if it has run — so our engineers ask. Nobody sets off until you have had our quote by phone. The fuel system is then rinsed thoroughly, after that tank is emptied. AdBlue crystallises and is corrosive to some of the metals in a fuel system, so it does not wash out on its own — which is why that matters more with AdBlue than with petrol. After your filter has been flushed — or replaced, if required — fresh diesel goes in, and then the vehicle is tested. We do not go until it has been fired up and is running smoothly. If the motor hasn't run, the majority of jobs take about half an hour once we're there, using pumps that are safe on a working forecourt and quiet enough to use outside a house at night. No money upfront; you settle up that day. At the end, a VAT invoice and the report from the engineer are handed to you for your insurer. Misfuelling cover is included in many insurance policies — so make use of the wait to look at yours. ## About Cleobury Mortimer, briefly Cleobury Mortimer is a town in southern Shropshire, situated on the banks of the River Rea. Cleobury Mortimer sits at an elevation of around 138 metres, with the surrounding countryside characterised by rolling hills and wooded valleys. Cleobury Mortimer is located near several smaller settlements, including Neen Savage and Nineveh, and is around 17 miles from the city of Worcester. ## AdBlue drains around Cleobury Mortimer and across Shropshire Nineveh and Hollywaste are among the towns near Cleobury Mortimer, a riverside town, that the same vans cover, over DY postcodes. Our van gets to you fastest with a postcode starting DY14 8. The vehicle doesn't need to shift. Our technicians drain it where it is — a side street close to Cleobury Country Centre & Library, a lay-by on the way to Black Coppice, a driveway. If you're near a boundary, or somewhere hard to describe like the back of War Memorial, ring and ask rather than guessing. ## The short version for Cleobury Mortimer drivers Tip nothing until you've read the cap. AdBlue in your diesel tank after all? Leave the car off and phone 0333 366 0103; Petrol in Diesel drains it where it stands, across Shropshire.