when I had my evaporator leak I was told the leak sealer stuff usually
worked if the leak only needed refilling at the most_once _a year - any
quicker and the leak was likely too large to fix with the sealer stuff.
Don't be overwhelmed at the prospect of replacing the evap - it's
just a lot of little jobs where keeping track of all the fasteners is
the biggest worry. Most of the dash parts inside the car snap
together/apart or are held together with a couple of screws. There
was a writeup posted a couple of months ago when I was prepping to do
mine or I can send it if needed. A couple things I might do different
from that (all minor) - such as removing the hoses from the rear of the
end air vents and stating that the glove box door does not need to be
removed. Other than that it's a great blueprint - and those changes are
only my preference. For the 1st time (and hopefully only time) ;-)
I'd plan on 3-4 days taking time to be very careful with everything.
Good luck - let me know if I can answer any questions.
LarryT
91 300D
On 9/24/2014 11:08 AM, Dan Penoff via Mercedes wrote:
They didn't say how bad the evaporator leak is, however, the system was working
fine a couple of weeks ago and it lost most (not all) of the refrigerant over
the last week. I have to suspect that's the evaporator leak, as the hose
wouldn't suddenly start leaking - they said it was just saturated with oil and
was becoming porous.
I asked about the leak sealer stuff and they don't do it, and they don't
recommend it, either. They said they had a guy with an E320 who needed an
evaporator a couple of months ago, and he passed n the repair and had someone
use leak sealer. He came back recently to have everything replaced, as it was
still leaking, and they said the compressor was messed up from the leak sealer.
I would seriously consider the leak sealer stuff, bt they don't sell it over
the counter - you have to have a refrigerant certification to buy it. I know I
can get certified easily and cheaply, but I'm not totally convinced that's the
way to go - yet.
I would really like to hear form anyone who has gone the leak sealer route and
how it worked out for them.
Dan
On Sep 24, 2014, at 11:01 AM, Meade Dillon via Mercedes <mercedes@okiebenz.com>
wrote:
Also remember that if the evaporator leak is small, you can probably drive
for years by simply topping up the charge each spring. Don't forget to
also add an ounce or two of oil occasionally, as some of that leaks out
with the refrigerant.
Max Dillon,
Charleston SC
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