Talk of radiator caps reminds me: Nearly 30 years ago, I had taken my
still-nearly-new '80 240D (purchased new in Nov '79) into local stealer's
for some minor repair or PM one morning; about mid-afternoon I stopped by to
check on it and noticed that it was in shop, with hood up. I walked back
there to speak to tech about it, etc. As I approached the car, I noticed
that the radiator cap was OLD and rusty - not the nearly new, shiny one that
was on it when I left the car that morning. I asked tech what had happened
to my radiator cap. Tech seemed as surprised as I was - supposedly had not
noticed. Some sorry etc., had switched an OLD rusty one with my nearly new
one!!! Of course, I had to buy a new one - crapped-upon again.
Wilton
----- Original Message -----
From: "Dieselhead" <126die...@gmail.com>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Monday, June 17, 2013 10:15 AM
Subject: Re: [MBZ] I think its the end
>The thing everybody seems to not want to address is the coolant boiling
>out of the radiator neck...
I put both thermostats in a pan of water, they both begin opening around
165F (the old one maybe slightly sooner) and are fully open at 180F. If
they're busted its in some manner that I can't see.
-Curt
Did the coolant boil out after burping and with a good cap on tight?
There was a thread some years ago with Herr Doktor where he advised us all
to check our pressure caps and replace every other year on PM principle.
I don't know the fizzicks, or thmodynamics, but he assured us a mercedes
(at least 123 or newer) with a faulty or loose radiator/coolant bottle cap
will overheat.
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