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FAQs

The tester pressurises the cooling system through the radiator cap or expansion bottle to roughly 1-2 bar (the system's normal hot operating pressure). Leaks become visible as drops in gauge pressure over time, often locating the leak by audible hissing or visible coolant emergence. Pressure testing is also used to confirm a successful repair before refilling. The kit's adapter set must include the correct cap or filler-neck adapter for your vehicle type.

A drain-and-refill empties the coolant from the radiator drain plug and refills with fresh fluid — fast but leaves around 30-50% of old coolant in the engine block, heater core, and hoses. A flushing system uses a pump or pressure-feed adapter to circulate flushing fluid through the entire system, displacing the old coolant completely. Flushing is recommended at major service intervals or when switching coolant types; drain-and-refill suffices for routine top-ups.

Modern automotive cooling systems use spring-clamps and band-clamps in roughly equal measure. Spring-clamp pliers (also called hose-clamp pliers or constant-tension clamp pliers) compress the spring clamp to release or refit it. Band-clamp pliers (sometimes Oetiker pliers) release the stamped-band clamps used on many European and Japanese vehicles. A trade workshop typically has both designs in the kit; the product page shows which clamp type each tool fits.

Yes. HGV and plant-equipment radiator caps run higher system pressures (typically 1.5-2.0 bar) and use larger filler-cap diameters than automotive systems. Pressure testers with HGV adapter sets are available, covering the common cap diameters and thread patterns used across European and American truck applications. Match the adapter kit to your typical vehicle mix.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

Vehicle Cooling Equipment

Within Fuel, Coolant & Lubrication Repairs, Vehicle Cooling Equipment covers the workshop tools used to service the cooling systems of engines and machinery — radiator pressure testers, cooling-system flushers, hose-clamp tools, antifreeze testers, thermo-viscous fan-clutch wrenches, and the supporting equipment used in cooling-system diagnosis and repair. Parts For Machines supplies trade-grade cooling-system tools for cars, light commercials, plant equipment, and HGV applications. Within Vehicle Cooling Equipment you will find Cooling System diagnostic and service kits, Radiator Testers (cap-pressure testers, system pressure testers, expansion-bottle adapters), Hose Clamps & Tools (band-clamp pliers, spring-clamp pliers, hose-removal tools), and Thermo-Viscous Wrenches (for the fan-clutch service on commercial vehicles). Parts For Machines is an Authorised Distributor and Seller of SIP and Sealey across vehicle cooling equipment. Both brands cover the standard workshop tools — radiator pressure testers with adapter sets covering European, Japanese, and American filler-cap designs, hose-clamp pliers across band, spring, and screw-clamp types, and the specialist tools used in commercial-vehicle cooling-system service. Product pages list the cooling-system operation the tool is intended for (pressure testing, flushing, hose-clamp service, fan-clutch removal), adapter compatibility (radiator-cap diameter and thread range for pressure testers — typical kits cover 8-15 adapter patterns), and any working-pressure ratings (typical cooling-system pressure runs 1-2 bar / 14-30 PSI; system testers must rate above this). Buyers in this section typically know the specific job they're servicing — coolant loss diagnosis (radiator pressure testing), system flushing during fluid replacement, hose replacement requiring clamp-removal tools, or fan-clutch service on commercial vehicles. Filter by the operation needed and the vehicle type to narrow down quickly. Trade pricing on multi-tool orders is available; contact the team via WhatsApp 07754288583.
FAQs

The tester pressurises the cooling system through the radiator cap or expansion bottle to roughly 1-2 bar (the system's normal hot operating pressure). Leaks become visible as drops in gauge pressure over time, often locating the leak by audible hissing or visible coolant emergence. Pressure testing is also used to confirm a successful repair before refilling. The kit's adapter set must include the correct cap or filler-neck adapter for your vehicle type.

A drain-and-refill empties the coolant from the radiator drain plug and refills with fresh fluid — fast but leaves around 30-50% of old coolant in the engine block, heater core, and hoses. A flushing system uses a pump or pressure-feed adapter to circulate flushing fluid through the entire system, displacing the old coolant completely. Flushing is recommended at major service intervals or when switching coolant types; drain-and-refill suffices for routine top-ups.

Modern automotive cooling systems use spring-clamps and band-clamps in roughly equal measure. Spring-clamp pliers (also called hose-clamp pliers or constant-tension clamp pliers) compress the spring clamp to release or refit it. Band-clamp pliers (sometimes Oetiker pliers) release the stamped-band clamps used on many European and Japanese vehicles. A trade workshop typically has both designs in the kit; the product page shows which clamp type each tool fits.

Yes. HGV and plant-equipment radiator caps run higher system pressures (typically 1.5-2.0 bar) and use larger filler-cap diameters than automotive systems. Pressure testers with HGV adapter sets are available, covering the common cap diameters and thread patterns used across European and American truck applications. Match the adapter kit to your typical vehicle mix.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

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