Quote:
Originally Posted by nelbur
You can likely fix the coolant leak in the head gasket using Barr's Leaks Radiator sealant. I used a small amount in my '97 E 300 D, and it has kept it sealed for about 7 years, with a couple small additions of the sealant. I put the sealant into a bottle of coolant and shook it up. After the large pieces settled out, (about a minute) I poured it into the coolant reservour leaving the dregs in the jar. You should drive the car for a half hour or more to help the sealant work. I have changed the glow plugs twice since. I don't see them as related to the head gasket.
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Oh please don't use any coolant additives. They coat the internals of the cooling system with this gunk and decrease the effectiveness of the cooling system.
Yes, they work to get you to a repair shop, but they aren't long term fixes.
And you still have to clean all that crap out of your cooling system. So its more than just a headgasket job in the end.