Jjrl Auto Diagnose Limited

About Jjrl Auto Diagnose Limited

Motorists in Haverfordwest and across Swansea rely on Jjrl Auto Diagnose Limited for professional vehicle maintenance, MOT testing and repair work. The garage, located at 1 & 2 MERLINS COURT, WINCH LANE in Haverfordwest, handles all makes and models — from compact city cars to large SUVs and light commercial vehicles.

Services

Whether you need a simple oil change or a full engine overhaul, Jjrl Auto Diagnose Limited offers a wide range of automotive services:

• Full and interim car servicing — oil and filter changes, fluid top-ups and multi-point safety checks
• Clutch replacement and gearbox repairs — including automatic gearbox servicing
• Engine repair — timing belts, head gaskets and cylinder head work
• MOT testing — annual roadworthiness inspection under DVSA standards
• Brake inspection and repair — pads, discs, callipers and ABS system checks
• Suspension and steering repairs — shock absorbers, springs and wheel alignment
• Tyre fitting, balancing and puncture repair
• Air conditioning recharge and service
• Battery replacement and electrical diagnostics

Registration & Location

Registered at Companies House as company number 14391022, Jjrl Auto Diagnose Limited is a legitimately registered UK business operating in Haverfordwest, Swansea. The garage typically covers a 20–30 mile service radius, making it accessible to motorists across Swansea. All data on this page — company name, address and registration details — comes from the Companies House public register.

Ready to book? Use the quote button at the top of this page to describe your vehicle issue and the type of work required. You'll hear back from qualified mechanics within 48 hours, with no obligation to proceed.