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Setting & Locking Tools

Setting and locking tools hold camshafts, crankshafts, and balance shafts in the correct position during timing belt or chain replacement. Each kit is specific to an engine family — match the tool to the manufacturer, displacement, and drive type (belt, chain, or gear). Using the wrong kit risks jumped timing and valve damage. Sealey kits cover common European and Japanese applications, from VAG TDi diesels to BMW N20 petrol engines.

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Timing work requires the engine to be locked at top dead centre or a specified notch position while you remove and refit belts, chains, or gears. Generic tools won't fit — most kits include pins, plates, or spanners machined to match flywheel slots, cam lobes, or injection pump drives for a narrow range of engines. Check the kit contents against the service manual: some jobs need both crankshaft and camshaft locks, others add balance shaft or high-pressure pump alignment.

Belt-drive kits often include tensioner tools or water pump holding fixtures. Chain-drive kits may come with wedge blocks or special sockets for variable valve timing units. Gear-drive kits (common on older VW TDi) use locking pins that slide through the flywheel or pump sprocket. If the kit description lists a specific engine code (N20, R5 TDi, DW10), verify it matches your vehicle before ordering — a close model year or similar displacement is not enough.

Sealey timing kits are steel or hardened alloy, supplied in blow-mould cases with a printed application list. Pins and plates wear if forced or dropped on concrete — inspect threads and engagement faces before each use. Store the kit dry and check that all parts return to the case after the job; a missing camshaft pin discovered mid-assembly means the engine comes apart again.