
Vacuum pump diaphragm kit for Volvo 164, 260
164, 240, 260, 740, 780, 760
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A hard brake pedal and weak power assistance can point to a tired diaphragm or a leaking valve in the vacuum pump – a common check point on the 740/760 with the 6-cylinder V6 (B280) before 1987. The selection covers spare parts to freshen up the pump instead of replacing the whole unit.

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The group includes a diaphragm kit, valve kit and gasket. The diaphragm kit takes care of the worn rubber diaphragm that loses its ability to hold vacuum, the valve kit restores the flow, and the gasket seals against leakage on reassembly. Since the parts are tied to the 6-cylinder engine and model years up to and including 1987, the engine code and chassis should be checked before the job so the correct version goes into place.