I just used those wood working clamps, they worked fine, clamp both hoses to and from the pump/filter assembly.

The module is attached to the chasis by 4 rubber hangers, better remove the whole module and do the rest on a bench, better prepare some copper gaskets as it's not a good idea to reuse the old ones. I remember there are two sizes of gaskets, large ones are the same size as the oil drain plug gasket, the ones on the check valves are smaller, I got mine only when I ordered check valves.

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99 BMW 540i 6-speed 110K Km
03 SAAB 9-5 wagon 80K Km
92 400E (Sold) 245K km
Still missing the days with the Benz, it kept me busy.