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Old 08-09-2001, 01:33 PM
Posts: n/a
Unhappy '77 300D w123 heat/ac probs and aux fan

Should I shoot it in the head, pull the saddle off and walk out?

First problem- hot water continuously flowed into heater core and system blew hot air regardless of t-stat setting

Second problem- no hot water in core and no heat blowing even when t-stat is at highest setting

Current problem- no heat and the dash fan stopped working

A "technician" swapped out the amplifier and dash controls w/out success and put old ones back; charged me up and still have probs.

Question 1: Does the climate control servo (mucho $) control any/all of the features that may be malfunctioning?

Question 2: The auxillary fan on the radiator doesn't come on. Could the servo affect its operation as well?

Last edited by Tundra45; 08-10-2001 at 10:00 PM.
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