The passages in the heater core and radiator are pretty small and these
sorts of problems usually occur in older vehicles that are likely
already partly plugged up. I used some of the rad seal junk in my 68
Chevy pickup and ended up with it overheating before very long. I had to
have the rad recored and the heater core flushed out. I swore I would
never use that stuff again. I suppose if I was a long way from home with
a leak of sorts and just needed to get home, I might be tempted but if I
was near home, I would never put anything like that in my vehicle.
RB
On 02/03/2015 11:35 AM, Curt Raymond via Mercedes wrote:
I've never had it plug a radiator which is annoying because the time I used it
I was trying to plug a hole in a radiator. The previous owner of my MB wagon
had used it for the same reason with the same failed results.
In both cases it plugged thermostats. Then it becomes the gift that keeps on
giving because its dammed hard to get the stuff back out... My '88 GMC I became
super adept at replacing thermostats. In the end I could do it in 10 minutes
and lose only a cup of coolant. I always traveled with a spare. Then when I got
home I'd flush the cooling system AGAIN. I must have flushed the system 20
times in the 4 years I drove it after adding the stuff.My wagon I managed to do
a better flush because I got all the stuff out and never clogged another
thermostat but the damage was already done, the head gasket was toast. The car
wasn't worth paying somebody to replace it and I didn't have the facilities,
tools, knowledge or friends at that time to fix it myself...
-Curt
From: Randy Bennell via Mercedes <mercedes@okiebenz.com>
To: dsereta...@yahoo.com; Mercedes Discussion List <mercedes@okiebenz.com>
Sent: Monday, March 2, 2015 12:20 PM
Subject: Re: [MBZ] Fwd: Overheating 240D more info
On 01/03/2015 4:55 PM, dseretakis--- via Mercedes wrote:
From: dsereta...@yahoo.com
Date: March 1, 2015 at 4:48:56 PM EST
To: G Mann <g2ma...@gmail.com>
Subject: Re: [MBZ] Overheating 240D more info
If I discover a head leak I will pour some of that leak sealer in the coolant
system.
And, in so doing will ruin the heater core and the radiator . . .
RB
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