Seized Injector Removal
Specialist removal of heavily seized diesel injectors using purpose-made and hydraulic tooling where required.
Specialist mobile engine engineering
Broken, seized or snapped? We specialise in getting it out.
Mobile specialist removal of seized and broken injectors, broken glow plugs, snapped studs and bolts, broken taps, drill bits, Easy-Outs and stud extractors, damaged thread repairs and injector clamp-bolt repairs. We also supply a wide range of new and used engine parts.
What we do
Specialist jobs that need more than ordinary workshop tools
Our focus is difficult extraction and repair work around the engine and cylinder head. The aim, where technically possible, is to solve the problem in situ and avoid unnecessary major dismantling.
Broken Injector Removal
Extraction of snapped and damaged injectors, including jobs where normal removal methods are no longer possible.
Broken Glow Plug Removal
Removal of seized, snapped and broken glow plugs, including difficult jobs with restricted access.
Broken Studs & Bolts
Drilling and extraction of snapped manifold studs, clamp bolts and other broken engine fasteners.
Broken Taps, Drill Bits & Extractors
Specialist removal of hardened broken taps, snapped drill bits, Easy-Outs, screw extractors and stud extractors, including difficult jobs after a previous removal attempt has failed.
Damaged Thread Repairs
Re-threading and specialist thread repair where sufficient sound material remains, including injector clamp-bolt repairs.
Mobile Attendance
We travel to garages, workshops and suitable job sites so the difficult specialist work can often be completed where the vehicle already is.
Specialist hardened-tool extraction
Broken Tap, Drill Bit, Easy-Out & Stud Extractor Removal
A hardened tool snapped inside an engine component can turn an ordinary repair into a highly specialised extraction job. We undertake precision removal of broken taps, drill bits, Easy-Outs, screw extractors and stud extractors from cylinder heads, engine components, studs and threaded holes.
We also take on difficult recovery work where drilling or extraction has already been attempted and a hardened tool has subsequently broken inside the component. Where technically practicable, the aim is to remove the obstruction while preserving the surrounding component, followed by re-threading or thread repair where required.
Broken tap removal • broken drill bit removal • broken Easy-Out removal • broken stud extractor removal • hardened tool extraction • failed previous repair recovery
Real specialist work
Examples of the type of work we undertake
Add your own before-and-after photographs here. Real job photographs will make this one of the strongest sections of the website.
DW10 injector removal
Mobile removal of difficult and seized injectors.
Ingenium clamp-bolt repair
Non-standard damaged injector clamp thread repair where an in-situ repair is viable.
Previously attempted glow plug
Specialist recovery where drilling or an Easy-Out has already complicated the job.
Multiple injector extraction
Removal of several injectors for garages and engine repair work.
Broken exhaust studs
Removal of snapped studs and preparation for correct refitting.
Broken bolt drilling
Precision drilling and extraction on inaccessible or damaged engine fixings.
Your job photographs
PHOTO 1
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Replace with an injector-removal job photo
PHOTO 2
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Replace with a broken glow-plug job photo
PHOTO 3
Replace with a thread / broken-bolt repair photo
Replace with a thread / broken-bolt repair photo
Engine parts supplied
New & used engine parts — cylinder heads, blocks, crankshafts, camshafts, pumps, gaskets and more
As well as specialist mobile engineering, Onsite Automotive Engineering Ltd can source and supply a wide range of new and used engine components. Whether you are rebuilding an engine, repairing cylinder-head damage or replacing an individual component, send us the vehicle registration, engine code or OE part number and we will check availability.
Cylinder Heads & Cylinder Blocks
Cylinder heads, bare and complete heads where available, cylinder blocks and engine blocks for a range of cars and commercial vehicles.
Crankshafts & Connecting Rods
Crankshafts, con rods / connecting rods, crankshaft bearings, main bearings and big-end bearing components.
Camshafts & Camshaft Kits
Camshafts, camshaft kits and associated valve-train components for engine repair and rebuild work.
Oil Pumps & Water Pumps
Replacement engine oil pumps, water pumps and related engine components, subject to application and availability.
Gaskets, Head Gaskets & Head Bolts
Head gaskets, complete gasket sets, individual engine gaskets and cylinder-head bolt sets.
Injectors & Other Engine Components
Injectors and numerous other new and used engine parts. If the part you need is not listed, contact us with the vehicle or engine details.
Need an engine part?
Send us: registration number, make/model/year, engine size or engine code, the part required, OE part number if known, and a photograph of the old part where useful.
Mobile coverage
Based around Leeds — travelling approximately 90 miles
Our normal mobile working area is up to around a 90-mile radius from Leeds. We will consider jobs further away where travel time, access and the expected job duration make it practical to complete the work within the day.
LeedsBradfordWakefieldHuddersfield
HalifaxYorkHarrogateSheffield
BarnsleyDoncasterManchesterLancashire
LiverpoolNorth Yorkshire
Outside the normal area? Send your postcode and the job details. Longer-distance work is considered individually.
Get the right information first time
Request a quote
Difficult extraction jobs can vary considerably depending on engine type, access, corrosion, previous attempts and what has actually broken. Photos are extremely useful.
For a useful first assessment, send:
- Vehicle registration
- Make / model / engine
- Postcode where the vehicle is located
- Exactly what is broken or seized
- Whether anybody has already drilled, welded or attempted removal
- Clear close-up photographs
Build your enquiry
Important before attendance
Specialist work needs suitable access and accurate job information
Some damaged components are already weakened before we arrive. Previous drilling, welding, broken taps, drill bits, Easy-Outs or other extractors, damaged threads or restricted access can materially change the method and time required. Any quotation or estimate should therefore be based on the information supplied and the condition found on attendance.