C.L.R To Remove Engine Cooling passage rust

longstand

Petty Officer 1st Class
Joined
May 2, 2009
Messages
293
I have use the CLR to remove chuck of rust from my OMC V6 Engine.. how did i do this..

i have remove the intake manifold. there is two passage way. on both side. on the rear and on the front which the thermostat housing distributed the water to the engine and to the exhaust manifold..

well. i have put CLR inside the water passage which cool the engine block... i let it rest inside and instantly i smell SH!tt smell.. LOL.. i belive it work.. so i put a hose to see if the passage have clear and it did.... now my cooling problem has been solved. i think. we will see when i have test it on the sea.. later in few weeks
 
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