8 2 MAG Water Pump Installation

Join Colsen Mercier as he walks through a full water pump removal and installation on a MerCruiser 8.2 MAG (also applies to 8.1 models). This step-by-step guide covers bolt removal, dealing with a broken/stuck bolt via drill-and-tap, impeller replacement, and proper reassembly — a must-watch for any MerCruiser 8.2 owner tackling this job themselves. Some tips from Colsen: -Regular maintenance matters — a missing bolt on this pump only got caught because it was being serviced; skipping inspections lets small issues go unnoticed -If a bolt breaks off flush, drill a pilot hole and slowly step up bit size until just under the thread size, then tap it — this preserves the original threads instead of stripping them -Always rinse the pump housing after any drilling work to clear out metal shavings before reassembly -Match your replacement impeller color (red or white) to the original — they're not interchangeable -Use Perfect Seal on the sealing surface and O-ring, and soapy water on the pump and impeller to ease installation -Install the top two bracket bolts first — they carry the most pressure and are the hardest to access once the pump is in place This how-to applies to MerCruiser 8.1 and 8.2 MAG inboard engines. -------------------------------------------------------------------------------- SHOP MerCruiser OEM PARTS on PartsVu.com https://partsvu.com/collections/mercr... -------------------------------------------------------------------------------- GET INVOLVED WITH MERCY MARINE! Instagram:   / mercymarineboats   YouTube:    / @mercymarineboats   TikTok:   / mercymarineboats   Facebook:   / mercymarine