I searched the archives for solutions to my heater problem. The heater in my '85 300D is only working about half the time, and it seems to have been giving me problems since my vaccuum pump failed. I replaced the pump, but it still doesn't work properly. Sometimes I turn it on and it works great. Sometimes it blows, but maybe just barely warm if at all warmer than the outside air. According to some threads I found, I'll need to purchase a "monoblock repair kit" for a fix. Does this sound right? The abnormally functioning heater doesn't bother me too much - I can always wear a coat and gloves. But I'm getting some really harsh noises coming from my passenger seat, when occupied, on those cold mornings.

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'87 300D Turbo 220k (for sale)
'03 Dodge Sprinter 3500 tool body (shop truck)
'98 Ford F-150
'04 Subaru Forester 2.5X (wife's car)
'86 BMW L7 (for sale)
'69 Alfa Romeo Spider