Professional engine rebuilds, EcoBoost wet belt replacement, cylinder head machining and manual gearbox rebuilds — with clear advice, quality parts and dependable workmanship.

From diagnosis and machining to complete rebuild and installation, our focused service range helps get your vehicle back on the road reliably.
01Complete Ford and Vauxhall engine rebuilds using quality parts.
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02Timing wet belt and oil pump belt replacement from £800 + VAT.
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03Professional testing to identify cracks, leaks and sealing faults.
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04Valve, seal and component inspection with complete head rebuilding.
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05Precision resurfacing for a clean, flat head-gasket sealing face.
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06Strip, inspection and rebuild services for manual transmissions.
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07Diagnosis and repair for overheating, compression and coolant faults.
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08Mechanical and electronic investigation before repair or rebuild.
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09Replacement engine supply, professional installation and testing.
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10Timing chain, belt and related timing-system repair services.
View service →Specialist replacement of the timing wet belt and oil pump belt, with careful inspection and correct reassembly.
We combine specialist knowledge with straightforward customer service, helping you make an informed decision about your vehicle.
Experience with common EcoBoost and Vauxhall engine faults.
Components are inspected before the rebuild is completed.
We use suitable genuine or OE-quality parts for the job.
Clear updates and realistic completion expectations.
Written warranty terms are available for qualifying work.
Speak directly with a team that understands engine repairs.
We assess symptoms, fault codes and mechanical condition before recommending work.
The engine or gearbox is dismantled and key components are measured and checked.
Required machining and replacement parts are completed using a controlled process.
The unit is reassembled, checked and prepared for collection or vehicle handover.
A closer look at the type of rebuild, machining and repair work undertaken by San Valley Engines.




Send the registration, symptoms and any useful photos. We will review the information and contact you about the next step.
☎ Call 07853 557895WhatsApp usComplete the form and enquiries will be sent directly to our team.