What are the opening hours?

Monday 8:30am - 5:30pm Tuesday 8:30am - 5:30pm Wednesday 8:30am - 5:30pm Thursday 8:30am - 5:30pm Friday 8:30am - 5:30pm

jsm_diagnostics

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jsm_diagnostics

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Fully Qualified Master Mobile Vehicle Technician
Operating In Medway & Surrounding Areas
(1)

24/08/2026

2017 Peugeot 3008 1.6 THP with a very noisy timing-chain, predominantly at its worst when starting up from cold!

New timing-chain kit fitted for the customer same day & back to being quiet & running smoothly as it should👌🏻

If your vehicle requires any diagnostic work, servicing, ecu remapping or any other repair then please get in touch for a quote:

📞 07711 934905
✉️ [email protected]
🌍 www.jsmdiagnostics.co.uk
💳 Card payments welcome
🎀 Pay with Klarna instalments
💻 Byte Flash approved installer
👨🏻‍🔧 Fully qualified
✅ Limited company
✅ VAT registered
✅ Fully insured
✅ Fully mobile
🟢 Castrol approved mobile mechanic

24/06/2026

We didn't even make it to the 8am official opening time before seeing a poor quality tuning file. This one's installed on a VW Golf MK7 GTD. Sadly cleaning up this sort of mess is becoming a daily occurrence.

17/06/2026

02/06/2026

Really proud of my youngest Son for his design on this bin lorry 👏😍

26/05/2026

2013 LandRover RangeRover Sport 3.0 TdV6 having a stage 1 engine ECU remap installed at this customers home address on this sweltering hot day! 🔥🥵

If your vehicle requires any diagnostic work, servicing, remaps or any other repair then please get in touch for a quote:

📞 07711 934905
✉️ [email protected]
🌍 www.jsmdiagnostics.co.uk
💳 Card payments welcome
🎀 Pay with Klarna instalments
💻 Byte Flash approved installer
👨🏻‍🔧 Fully qualified
✅ Limited company
✅ VAT registered
✅ Fully insured
✅ Fully mobile
🟢 Castrol approved mobile mechanic

18/05/2026

A Peugeot Boxer 2.2 BlueHDI came to us after a third party remap resulted in a blown turbo, followed shortly after by a complete engine failure. When we pull...

06/05/2026

2016 Kia Rio 1.2 CVVT having a timing-chain replacement & full service carried out today👌🏻

If your vehicle requires any diagnostic work, servicing, remaps or any other repair then please get in touch for a quote:

📞 07711 934905
✉️ [email protected]
🌍 www.jsmdiagnostics.co.uk
💳 Card payments welcome
🎀 Pay with Klarna installments
💻 Byte Flash approved installer
👨🏻‍🔧 Fully qualified
✅ Limited company
✅ VAT registered
✅ Fully insured
✅ Fully mobile
🟢 Castrol approved mobile mechanic

30/04/2026

2019 RangeRover Sport 3.0 TDV6 with a failed oil cooler that has contaminated the cooling system with engine oil.

New oil cooler fitted using all genuine LandRover parts. The cooling system was cleaned & flushed through throughly, we also replaced the coolant expansion tank as it was badly contaminated with oil.

We also replaced the engine front timing-belt & water-pump at the customer’s request. Luckily we got to it in time before it failed as you can see from the pictures that it’s been damaged when it was replaced by the last garage 😬

If you’re vehicle requires any diagnostic work, servicing, remaps or any other repair then please get in touch for a quote:

📞 07711 934905
✉️ [email protected]
🌍 www.jsmdiagnostics.co.uk
💳 Card payments welcome
🎀 Pay with Klarna instalments
💻 Byte Flash approved installer
👨🏻‍🔧 Fully qualified
✅ Limited company
✅ VAT registered
✅ Fully insured
✅ Fully mobile
🟢 Castrol approved mobile mechanic

27/04/2026

Address

66a High Street, Rainham
Chatham
ME87JF

Opening Hours

Monday	8:30am - 5:30pm
Tuesday	8:30am - 5:30pm
Wednesday	8:30am - 5:30pm
Thursday	8:30am - 5:30pm
Friday	8:30am - 5:30pm

Telephone

+447711934905

Website

https://byteflash.co.uk/, http://www.jsmdiagnostics.co.uk/

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