Has anyone used this style of block heater?
SSDiesel Supply :: GM 6.5 TD Specialists
I'm incline to do this route for the ease of install but there in lies my question...
If you look at the heater hoses that go to the heater core, one comes from the water pump and one goes into the radiator.
With this kind of block heater where would you connect it to a 6.2 and get it to circulate through the block?
Do the usual....drain the radiator.....
The bottom nipple hooks up to your blocks drain plug. Yes....the 6.2 has one, but its way cramped to get at. You can get a lower radiator hose adaptor thats got the small hose hookup on it. ( I made my own....) Hook up the lower hose there....you'll have to cut your lower radiator hose to get it in there.
Now....install the hose onto the top of the heater....look at your engine and find the upper most heater hose that connects to the crossover on the front of motor. Cut THAT hose 1/2 way between the motor and the battery. Leave your connecting hose a little longroute it so the longer hose come kinda close to the batterys. ( The cold slows the chemical reaction that occurs in batteries....thats why they loose over 1/2 their cranking power in the cold. The warmth off the heater hose will assure a quick start even in sub-zero temps.) Don't slide that hose onto the Y-connector all the way yet.
Now....start pouring in your coolant mix slowly......when it gets to the top of the radiator....look over at the Y connector your put into your heater hose.....if it isn't dribbling coolant....pull it loose really quick and shove it back on fully....You should've heard some girgling and has coolant come fome the heater hose and the heater your plumbing up.
You just allowed the air to escape from the hoses by pulling the one off quickly and putting it back on.
Run your cord and wire tie it securly by where your slave cable plugs in. Now....start the truck...check for leaks...shouldn't have any....then drive it around and let it run for about 30 minutes. Let it cool down, open the radiator cap and top her off.
Now....crank her up again and let her run for about 15 minutes to open the thermostat and build up pressure and she's ready to plug in without incident...