After reading through past heating problems I have determined that the MONOVALVE must be my lack of heat problem. What I don’t know is its location. Can some one tell me where it is? Also where is the air-intake for the heating and cooling system on this car?

The problem is I have no heat at all. I have plenty of coolant. I do get some heat if I squeeze the water line between the intake manifold and the firewall. I have also looked at the water pump to see if there was a typical thermostat. I didn’t see one. However, I also did not see where one would have been installed. My assumption is the car does not have one. Is this correct?

Thank you,

David Kingsbury
88 560SEL
67 European Beetle
69 Conv. Beetle
00 Dodge Durango

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David
1988 560SEL, Green, Chrome wheels.
2000 Suburban, 20" wheels, DVD, wood grain dash (wife's car).
67 Beetle euro, Lots of Empi parts.
69 Beetle conv, 1980s cal look.