---
title: AdBlue in a Diesel Tank Crossgate Moor: Explained
canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/crossgate-moor-durham/
location: Crossgate Moor
county: Durham
latitude: 54.777190
longitude: -1.598180
service: AdBlue in a Diesel Tank
updated: 2026-10-16
---

# Crossgate Moor: How Does AdBlue End Up in a Diesel Tank, and How Do You Avoid It?

Stop reading for a moment if your diesel tank already has AdBlue in it: ignition off, motor off, then call 0333 366 0103.

Around Crossgate Moor, finding it before the motor runs normally leaves a drain and a thorough flush where it stands.

Not happened yet? Below, the rest of the page explains the why it occurs and the how to avoid it altogether.

## AdBlue in a diesel car, and its separate tank

No single liquid but two: that is how many newer diesels around Crossgate Moor and Whitesmocks carry, with diesel feeding the motor.

AdBlue goes to your exhaust, where it is sprayed into the gas to clean it, and it lives in a tank of its own.

Different tanks, separate fillers.

On a lot of motors the two sit side by side under the same flap; on others the AdBlue filler is in your boot or under the bonnet.

The diesel side is topped up at the pump all the time.

A driver who has to stop and think where it goes normally fills the AdBlue side, from a bottle, and far less regularly.

Mistakes happen in that gap between them.

## Crossgate Moor: how AdBlue in your diesel tank happens

Three things tend to come together, and carelessness is seldom one of them.

To start with, the warning. Low AdBlue brings a message from the car, and running dry means limp mode — hence a rushed top-up, maybe before work off Toll House Road, perhaps at Colpitts Hotel on the way home after work.

Next, your hand goes for the cap it would have used on the old motor — because a hire car, a new motor or a company car places the fillers where your last one did not.

A spouted bottle meets no obstacle at a diesel filler any more than at an AdBlue one. So the pour, once begun, keeps on.

It takes seconds, be it out in Nevilles Cross or right in the heart of Crossgate Moor.

## The AdBlue filler and your diesel filler: telling them apart

Look at these before pouring, on a forecourt around Crossgate Moor or a driveway over in North End. A few seconds, that's all.

- Blue and lettering: an AdBlue cap is regularly blue, or says "AdBlue", where a diesel cap usually doesn't. Trust the cap, not its position.

- On plenty of motors, size tells: AdBlue has the smaller filler neck.

- The flap. Look inside your fuel flap for a label. Plenty of motors say there which fuel goes where.

- The handbook shows where it is if the filler is not next to your diesel cap: the boot, or under the bonnet.

- The person who drove the vehicle last. On a hire or company car picked up from somewhere like the car park at Durham, ask before you leave, not when the light comes on.

## How to top up without AdBlue in the diesel tank

When the light comes on, anywhere across Durham, use this routine.

- Pull in on level, engine off, with time in hand — never hurried on the side of Newcastle Road.

- Find the AdBlue filler and read the cap. Say "AdBlue" out loud as you unscrew it. It sounds daft and it does the trick.

- If both sit under one flap, check your diesel cap is still closed before you lift the bottle — then leave the car on.

- Pour slowly, using the bottle's own spout. Stop when it's full or when the bottle is empty.

- Before starting your car, close the cap and check again that the diesel cap was never opened off.

Stop there if you find, at step two or three, that you have already poured into your diesel side.

Stage five stays off limits.

## Put AdBlue in the diesel tank around Crossgate Moor already?

Do not start your engine: that is how the short order of things begins.

Do not switch your ignition on; on plenty of diesels that alone runs the fuel pump.

AdBlue does not mix with diesel — it sinks to the bottom of the tank, where your fuel is pulled from — so do not top up with diesel to thin it.

The attendants at Shell, Esso or any forecourt will normally help to push the car clear if asked.

Your own driveway around Crossgate Moor is the place it should stay.

Already started? Stop once it is sensible, then turn off.

The next junction means the place to leave if you are on the A1(M), under 3 miles from Crossgate Moor.

Distance matters — a quick hop across Crossgate Moor is a smaller job than driving under a mile to Durham — so say roughly how far it went.

## What takes place when our technicians get there around Crossgate Moor

Wherever the vehicle came to rest, whether outside Neville's Cross Primary School and Nursery, near Maiden's Bower or on your own drive, the van comes to it.

Both the work and the price depend on three answers — what liquid, which amount, and whether it has run — so we ask.

You hear that price by phone, before anybody sets off.

Then that tank is emptied and the fuel system rinsed thoroughly.

Much more than with petrol, it matters with AdBlue: crystals form, certain metals are attacked, and nothing washes away unaided, however long it is left.

Filter flushed or, where it must be, swapped; fresh diesel in; then a check of the car.

After that we start the engine and check it runs smoothly before we go.

Most jobs are finished in about half an hour once we get there, as long as your motor has not run — and the pumps we use are safe on a live forecourt and quiet at night outside a house.

You pay on the day, with nothing upfront, and get a VAT invoice and an engineer report for your insurer.

Misfuelling cover is part of plenty of insurance policies — and so make use of the wait to look at yours.

## About Crossgate Moor

Crossgate Moor is a suburban area located on the outskirts of Durham, situated near the River Wear in north-east England. Crossgate Moor sits at an elevation of 96 metres, with semi-detached housing being the predominant type of accommodation in the area. Crossgate Moor is close to nearby places such as Nevilles Cross and Western Hill, and is just 0.6 miles from the city of Durham.

## AdBlue drains across Durham, Crossgate Moor included

Crossgate Moor is a residential suburb, and our vans that cover it also work the towns around it, Western Hill and Durham among them, across the DH postcode area.

Give a postcode beginning DH1 4, and our van arrives fastest.

Moving the vehicle is not necessary.

A drive, a lay-by on the way to Flass Vale Local Nature Reserve, a side street close to Durham Presbyterian Church: our engineers drain the vehicle where it stands.

Ring and ask instead of assuming if you're close to a boundary, or somewhere hard to explain, like the back of Neville's Cross.

## The short version for Crossgate Moor drivers

Always, the cap; after that, the tip.

Still AdBlue in your diesel tank? Petrol in Diesel will empty it where it is, anywhere in Durham: switch the vehicle off and call 0333 366 0103.
