Engine Diagnosis, Repair and Overhaul
Engine services cover everything inside and around the engine itself: diagnosis of noise, smoke, misfire and power loss, then the repair, whether that is a timing belt, a head gasket, a cylinder head, piston rings or a complete overhaul. It is for owners with a symptom they cannot ignore, and for anyone told their engine needs opening who wants that confirmed before agreeing to it.
Engine Services we carry out
14 jobs in this area of the car. Each page says what it involves and where we can do it.
Engine Diagnosis
A structured engine investigation using scan data, compression and leakage testing to identify the actual fault before any repair is quoted.
DoorstepWorkshopEngine Repair
Targeted repair of a confirmed engine fault, such as a leaking gasket, failed seal, worn tensioner or damaged component.
WorkshopEngine Overhaul
Complete strip, measurement, machining and rebuild of a worn engine, undertaken only when testing shows internal wear beyond repair.
WorkshopEngine Assembly Replacement
Replacing the engine block assembly while keeping your existing head, ancillaries and wiring, where the lower end has failed.
WorkshopHead Gasket Replacement
Replacing a failed cylinder head gasket, including checking the head for warping, which is what usually caused the failure.
WorkshopCylinder Head Repair
Skimming, valve seat cutting, valve and guide work, and crack repair to restore a cylinder head that is warped, burnt or leaking.
WorkshopPiston & Ring Replacement
Replacing piston rings, and pistons where needed, to stop oil burning and restore compression on an engine with worn bores.
WorkshopCrankshaft Repair
Crankshaft inspection, grinding and bearing replacement where knocking or low oil pressure shows the bottom end has worn.
WorkshopTiming Belt Replacement
Timing belt, tensioner and idler replacement at the correct interval, before a snapped belt bends valves and turns into engine damage.
WorkshopTiming Chain Replacement
Timing chain, guide and tensioner replacement when a stretched chain rattles on start-up or throws a camshaft timing fault code.
WorkshopEngine Noise Diagnosis
Locating the true source of an engine noise, ticking, knocking, whining or rattling, before any part is replaced on guesswork.
DoorstepWorkshopEngine Misfire Repair
Finding and fixing a misfire by testing spark, fuel and compression on the affected cylinder rather than replacing parts in sequence.
DoorstepWorkshopValve Adjustment
Measuring and resetting valve clearances to correct top end ticking, hard starting and power loss, especially on CNG converted cars.
WorkshopEngine Replacement
Fitting a complete replacement engine, with the donor unit inspected first and all ancillaries, mounts and fluids handled as one job.
Workshop
How a job runs
Same four steps every time, whether we come to you or you come to us.
Describe the symptom
You do not need to know the cause. Tell us what you hear, feel or smell and when it happens.
We inspect it
At your location where the job allows, otherwise at a workshop with the right equipment.
You get a price
Parts and labour, itemised, before anything is taken apart. You decide whether to go ahead.
We fix it
Parts matched to your exact vehicle. The old ones come back to you if you want them.
At your door, or in the workshop?
Some of this work needs equipment that does not travel. Here is the split for this category.
How we work
Four things we do on every job, in every category.
Diagnosis before quote
We find the fault first. A price given over the phone for a noise nobody has heard is a guess.
The price is agreed first
You approve the work and the cost before a spanner is picked up. Extra work means another call.
Parts you can check
We tell you whether a part is genuine, OEM, aftermarket or used, and what each one costs.
Old parts returned
Ask and we will hand back whatever we replaced. It is the simplest proof that the job was done.
Engine Services: common questions
Book a engine services job
Pick the job if you know it, or just describe the symptom. A person reads every request and calls you back.
Tell us the car and the symptom
We will arrange a mechanic at your location, or a slot at the nearest workshop. No payment until the price is agreed.