I use rubbing alcohol on all the "tree pitch" droppings. Put some on a hidden paint place and test it. Doesn't hurt mine. I only use it for small spots of tree gum.
brian from la verne, ca
From: vwnate1 <vwnate1@yahoo.com>
To: diesel_mercedes@yahoogroups.com
Sent: Saturday, June 25, 2011 8:14 AM
Subject: [diesel_mercedes] Re : Hot A/C
First things first ~ .
Check the Monovalve as it's dead about 75 % of the time , an easy fix .
Does the compressor cycle on ? (look at it , when idling , the whole front part should be spinning) if it's spinning , carefully touch the metal AC pipe across the front of the engine , if it's cool , the Freon charge is O.K. .
How you fix the AC has much to do with how well it works later - example : if the center outlets don't blow gales of air , it'll never really cool the interior well so have an indie shop (unless you're rich)fix those first .
-Nate
Carmine wrote:
>
> Need your help. We have a 1984 mercedes 300D. A/C blows hot. Does anyone sell a kit to convert to the 134 freon? Is there anything I should know before getting into this.
>
> It has been 85-102 up here in N. Cal. We are melting.
>
> thanks, Nick
>
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