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Petrol in Diesel

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AdBlue in a Diesel Tank in Brook Bottom: How It Occurs and How to Avoid It

AdBlue already in your diesel tank? In that case put this page aside a moment, leave your ignition and engine off, and phone 0333 366 0103. In Brook Bottom, catching it before your engine turns usually leaves a drain and a thorough flush on the spot. The remainder of this page explains why it happens and how to ensure it does not — useful if you're reading before it has happened.

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Why does AdBlue in a diesel car need its own filler?

Not one liquid but two: that's what many modern diesels near Brook Bottom and Hartshead Pike run, with diesel for your engine. Kept in a tank of its own, AdBlue is fed into your exhaust gas to clean it.

Each tank has its own filler. Plenty of cars have a single flap for the two, whereas others put the AdBlue filler to your boot or under the bonnet. At the pump, the diesel side gets filled all the time. Much less frequently, the AdBlue side gets topped up — normally from a bottle, by someone thinking about where it goes. It's in the gap that the error lives.

How does AdBlue in the diesel tank take place around Brook Bottom?

Seldom is it carelessness: usually three things coincide.

On a driveway off Cross Street before work, or in the car park outside The Billy Goat on the way home: that's where the hurried top-up takes place. What is the reason for the rush? As AdBlue gets low the vehicle warns you, and if it's empty, limp mode follows.

Then your car is unfamiliar. A hire car, a new car or a company car puts the fillers where your last one didn't, and the hand hits for the cap it would have used on the old one.

Lastly, the spout fits: a diesel filler or AdBlue one, it goes in as easily, and after the tip begins, nothing stops it. The same few seconds settle it, in the middle of Brook Bottom or out in Sandbed.

Flushing a diesel fuel system after AdBlue, Brook Bottom

Which filler is for AdBlue, and which for diesel?

Check these before pouring, on a forecourt around Brook Bottom or a drive over in Fox Platt. Seconds, that's all.

  • Where it sits misleads; the cap does not. AdBlue ones tend to be blue or carry the name "AdBlue" — diesel ones normally do not.
  • On plenty of cars, size tells: AdBlue gets the smaller filler neck.
  • Lift the filler flap and check for a label — plenty of vehicles show what belongs in which filler just there.
  • In your boot or under the bonnet: that is where your filler sits if it's not by the diesel cap, and the handbook tells you which.
  • Check with the person who drove it last — before you leave, not when the light comes on — when you collect a hire or company car from somewhere like the car park outside Mossley (Manchester).

AdBlue top-ups that never reach the diesel tank

The day the light comes on, anywhere in Greater Manchester, use this routine.

  • Stop on level, engine off, with time to spare — never hurried on the side of Smith Street.
  • Say "AdBlue" out loud as you unscrew the cap, after you find the AdBlue filler and read it. Silly, perhaps, but it works.
  • The diesel cap remains on. When both share a flap, confirm it's closed before lifting the bottle.
  • Tip slowly, using the bottle's own spout. Stop when it's full or when the bottle is empty.
  • Close the cap and check again. Make sure the diesel cap was never opened. Only then start your car.

If at stage two or three you find you have already poured into the diesel side, stop there. Don't go on to step five.

Already put AdBlue in your diesel tank around Brook Bottom?

Then the order of things is short. Do not start your engine. On plenty of diesels your ignition alone runs the fuel pump, and so do not switch the vehicle on. Topping up with diesel won't thin it: instead, AdBlue sinks to the bottom of that tank, just where fuel is drawn from.

The attendants at Gulf, Texaco or any forecourt will usually lend a hand pushing the car clear when you ask. Leave it where it is if you're on your own drive around Brook Bottom.

Stop as soon as it is safe then switch off, if the engine has already run. The next exit is where to leave when you are on the M60, under 5 miles from Brook Bottom. Roughly how far did it go? Hopping across Brook Bottom is smaller work than a trip of under 10 miles towards Manchester, so say.

Our arrival around Brook Bottom, and what takes place next

Our van comes to the vehicle anywhere it stopped — your own drive, near George Lawton Hall, or by St Joseph's RC Primary School. We ask what was put in, about how much, and whether it's run, because those answers determine the work and our price. Nobody sets off until you've had the quote over the phone.

Then that tank is cleared and your system rinsed thoroughly. Much more than with petrol, it counts with AdBlue: crystals form, some metals corrode, and none of it washes out on its own, however long it sits. Testing comes last: before that, clean diesel is added, and the filter is flushed or replaced if necessary. The engine is started next and tested to make sure it runs properly, all before our technicians head off.

Most jobs are done in about half an hour once our technicians arrive, provided your engine has not run — and the pumps our engineers use are fine on a busy forecourt and quiet at night beside a house. Your insurer usually wants the engineer's report and your VAT invoice, and both are yours at the end. Payment is on the day, with no deposit. While we travel, have a look at your policy; many carry cover for misfuelling.

About Brook Bottom and where it is

Brook Bottom is a suburban area in Greater Manchester, situated near the River Tame and close to the Pennine foothills. Brook Bottom has a mix of terraced housing and is located near several nearby places, including Sandbed, Mossley, and Mossley Brow. Brook Bottom sits at an elevation of 215 metres, giving it a distinctive position in the local landscape.

AdBlue drains about Brook Bottom, and Greater Manchester beyond

Brook Bottom is a residential suburb, and our vans that cover it also work the towns around it, Mossley and Mossley Brow among them, across the OL postcode area. Quote a postcode beginning OL5 0, and our van arrives quickest.

The vehicle remains where it is. Our technicians drain it where it is — a side street near St Joseph, a lay-by on the way to Mossley Park, a drive. Ring and ask rather than guessing if you're near a border, or somewhere hard to explain, like the back of Mossley Methodist Church.

Brook Bottom drivers: the short version

Tip no AdBlue until you have read the cap. AdBlue in your diesel tank after all? Leave the vehicle off then phone 0333 366 0103; Petrol in Diesel empties it where it stands, across Greater Manchester.

Call 0333 366 0103