Hot And Cold Heater

[MR RED LEXUS]

this is a pain my is200 has started going all funny especially in the winter. the cars heater blows cold on passenger side and hot on drivers side, it stared on the left and it feels like its slowly coming to drivers side, any ideas does anyone else have the same issue??? my friends lexus does the same but his one is just blowing cold now. started off like mine....

[clifton 94]

this is a pain my is200 has started going all funny especially in the winter. the cars heater blows cold on passenger side and hot on drivers side, it stared on the left and it feels like its slowly coming to drivers side, any ideas does anyone else have the same issue??? my friends lexus does the same but his one is just blowing cold now. started off like mine....

hi if your rad is full then its could be your heater matrix blocked

[mattc]

Need to clean out the heater matrix with a good blast from a hose

[lex2oos]

Heater matrix needs to be flushed.

This is so nice. I had the same problem a year and a half ago, and no one knew whats wrong. No one.

Now a few new owners monthly are asking the same question why is my drivers side hot and passanger side cold.