So I changed my thermostat on my '83 240d and also drained and filled the coolant.

The lower radiator hose is cold but the engine is getting up near 95.

I took the new thermostat and verified it's function in boiling water.

I tried changing the orientation of the thermostat.

I drained the coolant out of the block and filled the system through the heater hose on the driver side.

The system seems full, coolant comes out of the bleeder on the t stat housing, heat works very well.

I filled it on an incline, I squeezed the upper rad hose to burp the air.

Any ideas what is going on?

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1987 300SDL 167k
1992 Volvo 740 140k
1990 Volvo 740 250k
1989 Volvo 240 269k

Anyone want to trade an old Volvo for an '87 300sdl?