Bad heat distribution dashboard
Thread Starter
2nd gear
Joined: Jun 2024
Posts: 2
Likes: 0
Bad heat distribution dashboard
Hi all!
Made this acc just to see if someone could help med find the post or maybe knows what the issue could be as described below. Its an IS250 -08So to start its a leftdrive sided car, i live in sweden! So the heat is good on passenger vents left and right (the one in the middle) and on the driver side right side vent(middle) its just a bit warm and on the left side its even colder. So you could say passenger all good and driver side less warm the further you get from passenger vents.
Could it be blockage in the heater core and a flush would work? Is there any good instruction here? Or som blender door that isnt operating correctly, ive seen some post about this but for some reason i cant find them again. Not sure if its on this lexus forum or some other. Would appreciate all the help here! Ive read som with same problem but havent found the ones were they show and tell the solution..
Ive also checked the coolant, its about more than half way to full from low what i can see. Notice ive driven the car so engine still warm. I will check also the coolant when the engine is cold, could it be i need to top it off to max level?
Also using the AC all works fine on the cold side as i get it on both side perfectly, its only the heat that isnt going all the way on the driver side.
Made this acc just to see if someone could help med find the post or maybe knows what the issue could be as described below. Its an IS250 -08So to start its a leftdrive sided car, i live in sweden! So the heat is good on passenger vents left and right (the one in the middle) and on the driver side right side vent(middle) its just a bit warm and on the left side its even colder. So you could say passenger all good and driver side less warm the further you get from passenger vents.
Could it be blockage in the heater core and a flush would work? Is there any good instruction here? Or som blender door that isnt operating correctly, ive seen some post about this but for some reason i cant find them again. Not sure if its on this lexus forum or some other. Would appreciate all the help here! Ive read som with same problem but havent found the ones were they show and tell the solution..
Ive also checked the coolant, its about more than half way to full from low what i can see. Notice ive driven the car so engine still warm. I will check also the coolant when the engine is cold, could it be i need to top it off to max level?
Also using the AC all works fine on the cold side as i get it on both side perfectly, its only the heat that isnt going all the way on the driver side.
CL Community Team
Joined: Dec 2005
Posts: 5,673
Likes: 331
From: NJ
Sounds like you only checked the coolant level in the recovery tank. You said you'll be rechecking while cold -- at that time I'd also check the condition of the radiator cap and make sure that the system is completely full of coolant.
Instructor
Joined: Dec 2017
Posts: 980
Likes: 212
From: Florida
Agreed. If it were me I'd follow the procedure for bleeding the coolant until you are sure there are no air bubbles in the system. If that isn't it you might have an issue with blend doors.
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