No heat
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3rd Gear
Joined: Dec 2008
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No heat
I recently broke the tube/hose from the radiator to the overflow basin and lost some coolant on my '03 Discovery. I repaired the hose and filled the basin with coolant up to the cold fill line. Now, it does not blow heat to the interior, but the engine heats to normal temperature. Is the possible reason that I do not have enough coolant/fluid?
RE: No heat
You have a air pocket in the heater core.
Remove the radiator cap and loosen the bleed screw on the top radiator hose.
Start the engine with the heater on HOT, let the truck run until a steady stream of coolant comes out of the bleed screw, close the screw.
Once a steady stream of steam comes out of the radiator resevoir replace the cap.
Make sure that you keep the resevoir full and leave the engine running the whole time keeping a eye on the temp gauge and checking for heat.
Recheck the coolant level the next moring after the truck has set all night. Top up is nesaccary.
Remove the radiator cap and loosen the bleed screw on the top radiator hose.
Start the engine with the heater on HOT, let the truck run until a steady stream of coolant comes out of the bleed screw, close the screw.
Once a steady stream of steam comes out of the radiator resevoir replace the cap.
Make sure that you keep the resevoir full and leave the engine running the whole time keeping a eye on the temp gauge and checking for heat.
Recheck the coolant level the next moring after the truck has set all night. Top up is nesaccary.
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