# Coolant in the AdBlue tank Caterham | mobile help > Coolant in the AdBlue tank Caterham: Component risk. Mobile SCR help across Surrey. Call 01293 248666. - URL: https://adblueinfuel.co.uk/coolant-in-the-adblue-tank/caterham/ - Focus: coolant in the adblue tank caterham - Updated: 2026-10-14 - Phone: 01293 248666 (From just £89 call-out fee) - Publisher: AdBlue in Fuel — a service by Forecourt Assist — Forecourt Assist is a trading name of Fuel Fixer Ltd, company no 08520551, registered at Fairway House, Portland Road, East Grinstead, RH19 4ET, a company of Fuel Fixer International. --- ## Coolant in the AdBlue tank Caterham Short answerCoolant in the AdBlue tank Caterham: coolant in the AdBlue tank means glycol in the dosing circuit. Glycol does not decompose to ammonia and it leaves a sticky residue through the pump and injector. Do not run the engine — call 01293 248666. A mobile technician covers Caterham and the rest of Surrey. The job is quoted on the phone before anyone travels, and if it is not something that can be finished at the roadside you will be told that on the call rather than after arrival. Call 01293 248666 From just £89 call-out fee Tap for soundTap to call ## Coolant in the AdBlue tank Caterham — the severity verdict **Key facts** | Severity | Component risk Frequently needs SCR component work rather than a drain. Quoted before a technician travels. | What went where | Coolant in the AdBlue tank | Direction | Into the AdBlue tank | Typical cost | £280–£780 typical total, from a £89 call-out | Time on site | About 100 minutes | Call-out | From just £89 call-out fee | Helpline | 01293 248666, 24 hours £89 is the call-out. An AdBlue tank drain and flush is quoted on the phone before a technician travels. If the SCR system needs component replacement — dosing injector, pump, tank or catalyst — that is separate, and you will be told before any work starts. If this is a job we cannot fix at the roadside, we will tell you that on the phone rather than after we arrive. ## What to do right now in Caterham - Do not start the engine. - Do not add AdBlue — because glycol mixes, dilution genuinely does not help here. - Call 01293 248666. ## Coolant in the AdBlue tank in Caterham — what is different locally Rural approaches around Caterham mean a stranded vehicle can be some way from the nearest garage, which is precisely why diagnosing the fault before moving it is worth the twenty minutes it takes. Distance to a marque dealer from Caterham is the single biggest variable in what this ends up costing, and it is worth settling before anything is towed. Operators around Caterham tend to run vehicles hard and top up from bulk, which puts fluid quality rather than driver error at the top of the likely-cause list. A drain done on the day is usually cheaper than a recovery plus a workshop slot plus the wait, but that is only true where the contamination direction allows it. Because Surrey sees sustained cold, the first thing to establish on a level warning in January is whether the fluid has simply not thawed yet. Whether this job is a roadside one depends on the direction of contamination rather than on the postcode. Frequently needs SCR component work rather than a drain. Quoted before a technician travels. Coverage runs across Surrey on the same basis, with volume and disposal priced in before anyone sets off. **Local detail for Caterham** | Place | Caterham — town | County | Surrey | Nearest cover | Chertsey, Cobham, Cranleigh | This problem | Coolant in the AdBlue tank — Component risk | Verdict here | Frequently needs SCR component work rather than a drain. Quoted before a technician travels. | Quoted | On the phone, before a technician travels ## Common questions ### How quickly can somebody get to Caterham? Attendance in Caterham is normally same day and the helpline runs 24 hours, but the time that actually matters is the time on site, which for this job is about 100 minutes once the assessment is done. ### Do you charge extra to come out to Caterham? No. The From just £89 call-out fee is the same across Surrey, and the job total is quoted on the phone before a technician travels rather than adjusted on arrival. ### Coolant is water-based. Is that not better? It is worse in one specific way: because glycol mixes with water, it spreads through the whole tank volume instead of settling where it can be drained off. ## What customers say in Caterham 4.8 out of 5 from 2,190 Trustpilot reviews. What reviewers single out is being told plainly what could and could not be done on site, before anybody set off. The most common criticism is price, and it is published here rather than buried: the answer is the From just £89 call-out fee, a quote before travel, and being told when a job cannot be finished at the roadside. ### Nearby ChertseyCobhamCranleigh ### Other AdBlue problems in Caterham AdBlue in the diesel tank in CaterhamAdBlue in the wrong filler in CaterhamWater in the AdBlue tank in CaterhamTap water in the AdBlue tank in CaterhamAdBlue in diesel in CaterhamAdBlue tank drain in CaterhamDiesel in the AdBlue tank in CaterhamContaminated AdBlue in CaterhamScreen wash in the AdBlue tank in CaterhamPetrol in the AdBlue tank in Caterham ### More about Caterham Caterham coverageSurreyCoolant in the AdBlue tank — the full guide ## Who you are dealing with This site is published by Forecourt Assist, which operates AdBlue in Fuel. Forecourt Assist is a trading name of Fuel Fixer Ltd, company no 08520551, registered at Fairway House, Portland Road, East Grinstead, RH19 4ET, a company of Fuel Fixer International. The group, Fuel Fixer International, is owned by Stockbridge Capital Holdings. Reference: Diesel exhaust fluid (Wikipedia). ## Across the Fuel Fixer network Fuel FixerStockbridge Capital HoldingsFuel Fixer ScotlandMisfuel DoctorAdBlue in Fuel is a service by Forecourt Assist, a brand of Fuel Fixer International, owned by Stockbridge Capital Holdings. The full group directory is at forecourtassist.co.uk/network.