heater not blowing hot air? what the????
#1
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
heater not blowing hot air? what the????
sup guys,
driving home tonight on this cold *** night i realized now my heater isnt blowing out hot air. it blows air out and all,but the air has a slight warmth to it,but no where near warm,or hot. and i have the switch thing all the way in the read,with the other switch at 4. what could be the cause of this?
driving home tonight on this cold *** night i realized now my heater isnt blowing out hot air. it blows air out and all,but the air has a slight warmth to it,but no where near warm,or hot. and i have the switch thing all the way in the read,with the other switch at 4. what could be the cause of this?
#3
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (HATCHingMN)
yeah,before it would blow noticalby hot air,and with the switch all the way to red,on 4,would make the inside of my car an oven by the time i got home from my girlfriends. tonight,my hands and feet were still cold when i got home from her house.
#4
you need tocheck the cooling system in your car, something could be terribly wrong. first take off your rad cap andstart your car pour coolant in and let your car reach operating tempature (1/4 to 1/2 on the temp gauge)
take a feel of the lower rad hose make sure its nice and hot and pull the throttle cable to help your car reach operating tempature, once your sure your thermostat is open and the lower rad hose is warm keep adding coolant till its full air bubbles will rise jus do this for a good while, oh it also helps to have ur heater in the RED so u say and the fan on 4.
good luck and post your results.
take a feel of the lower rad hose make sure its nice and hot and pull the throttle cable to help your car reach operating tempature, once your sure your thermostat is open and the lower rad hose is warm keep adding coolant till its full air bubbles will rise jus do this for a good while, oh it also helps to have ur heater in the RED so u say and the fan on 4.
good luck and post your results.
#6
Honda-Tech Member
Join Date: Sep 2003
Location: Honda city, MN, USA
Posts: 7,917
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (SpoolnByYou)
It could be alot of things....
I have done it, I even go as far as taking out the dashborad.
My proble was the cable that attach to the heater switch got loosen and
also the relay on top of the heatercore broke so I replace with a new one too.
I have done it, I even go as far as taking out the dashborad.
My proble was the cable that attach to the heater switch got loosen and
also the relay on top of the heatercore broke so I replace with a new one too.
#7
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (HATCHingMN)
should i flush out my coolant system? i have this prestone radiator flush **** that i got awhile ago....should i use it?
Trending Topics
#9
Honda-Tech Member
Join Date: Feb 2003
Location: Nowhere Cali, Ca, USA
Posts: 1,693
Likes: 0
Received 0 Likes
on
0 Posts
Re: (cdizzle)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cdizzle »</TD></TR><TR><TD CLASS="quote">do what i said above dont worry about flushing right now</TD></TR></TABLE>
this guy has the right idea, it could be too many things. before you start replacing parts and flushing the system you should do an in-depth visual to make sure you have no leaks,enough coolant (50/50 mix is ideal), an operating thermostat.
also make sure the hoses going to and from the heater core are hot too
this guy has the right idea, it could be too many things. before you start replacing parts and flushing the system you should do an in-depth visual to make sure you have no leaks,enough coolant (50/50 mix is ideal), an operating thermostat.
also make sure the hoses going to and from the heater core are hot too
#10
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: (built562)
well today i got under the car and seen that the hose going into my heatercore was slightly leaking,really slightly. so i put another clamp on the hose,so now theres the "pliers" type clamp and a "screw" type clamp on it. think this could be it? a <U>slightly</U> leaking hose? i havent tested it out yet,since i havent left the house yet,and probably wont till tomorrow.
#11
Re: heater not blowing hot air? what the???? (SpoolnByYou)
check your header valve, its on the firewall where the coolent hoses go in. have someone move it back and forth and make sure it moves properly, you'll see it. If that dosn't work The other thing it could be is an air bubble, check your coolent level, try bleeding it. and does it ever overheat?
#12
Honda-Tech Member
Join Date: Sep 2003
Location: Honda city, MN, USA
Posts: 7,917
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (littlegreenb18)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by littlegreenb18 »</TD></TR><TR><TD CLASS="quote">check your header valve, </TD></TR></TABLE>
DO you mean HEATER VALVE
I mention it on my post 2nd post above too
DO you mean HEATER VALVE
I mention it on my post 2nd post above too
#13
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (HATCHingMN)
ok then,if the hose with the valve is the "IN" hose,then the one leaking was the hose coming OUT of the heater core.
and i look at that valve and the cable was off the valve arm,so i put it back on let the car warm up and all,and air feels warmer,but not like it was before. car never overheats (knock on wood),what could be going on?!?
and radiator is full,so i doubt i have air bubbles in the system,unless it can still be full,with air in the system. do you think the leak put air into the system?
and i look at that valve and the cable was off the valve arm,so i put it back on let the car warm up and all,and air feels warmer,but not like it was before. car never overheats (knock on wood),what could be going on?!?
and radiator is full,so i doubt i have air bubbles in the system,unless it can still be full,with air in the system. do you think the leak put air into the system?
#16
Re: heater not blowing hot air? what the???? (SpoolnByYou)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SpoolnByYou »</TD></TR><TR><TD CLASS="quote">do you think the leak put air into the system?</TD></TR></TABLE>
yes, bleed it
yes, bleed it
#17
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (littlegreenb18)
alright ill bleed it,and let you guys know updates.
to bleed it,do i just do what cdizzle told me to do. take off radiator cap and start car until normal operating temp. is reached. then fill the radiator as nessissary until air bubbles stop rising,and radiator is filled?
to bleed it,do i just do what cdizzle told me to do. take off radiator cap and start car until normal operating temp. is reached. then fill the radiator as nessissary until air bubbles stop rising,and radiator is filled?
#18
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (SpoolnByYou)
i bled the coolant systme today and the coolant just kept rising and overflowing. no air bubbles rose,just coolant kept wanting to overflow.
#19
Honda-Tech Member
Join Date: Feb 2003
Location: Nowhere Cali, Ca, USA
Posts: 1,693
Likes: 0
Received 0 Likes
on
0 Posts
Re: heater not blowing hot air? what the???? (SpoolnByYou)
so you bled it, now when the car is hot is the bottom radiator hose hot? are both hoses at the heater core hot?
i think it could be the heater control valve or myabe just the cable behind the climate control in the car
i think it could be the heater control valve or myabe just the cable behind the climate control in the car
#21
Junior Member
I had the same problem, your heater core is plugged. Just take the lines off of the motor that go to the heater core and then clamp one end to your heater core outlet side (the one that above the other one and then point the other one at the ground, then turn the water faucet on and you start seeing pretty red junk come pouring out. After if starts flowing clean then take the other end and do it the other way, and if you really want to get crazy go get some CLR from under the sink and flush it with that, its the same crap as at the KRAGEN with PRESTONE logo on it. This is also a safer way to check for a bad heater core instead of waiting to get scolded when something starts leaking.
#22
Honda-Tech Member
Join Date: Feb 2003
Location: Nowhere Cali, Ca, USA
Posts: 1,693
Likes: 0
Received 0 Likes
on
0 Posts
Re: (Kevinarich)
if all the hoses are hot then, you have a bad heater core (clogged) or a bad heater control valve (not letting hot water pass through the core). or maybe just as simple as the metal wire not controlling the heater valve.
so i would suggest starting with the simple stuff.
reach to the heater control valve and move the lever with your hand and then see if it will blow hot. if it does then it might be the cable, or the valve. if it does not then its the core itself
so i would suggest starting with the simple stuff.
reach to the heater control valve and move the lever with your hand and then see if it will blow hot. if it does then it might be the cable, or the valve. if it does not then its the core itself
#23
Thread Starter
Join Date: Sep 2005
Location: fred, va, usa
Posts: 271
Likes: 0
Received 0 Likes
on
0 Posts
Re: (built562)
well funny thing is,it actually started blowing hot air on my way home from work today. so im guessing (knock on wood) its working again. if anything changes ill post. thanks guys for all the help.appreciate it GREATLY
#25
Re: (SpoolnByYou)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SpoolnByYou »</TD></TR><TR><TD CLASS="quote">well funny thing is,it actually started blowing hot air on my way home from work today. so im guessing (knock on wood) its working again. if anything changes ill post. thanks guys for all the help.appreciate it GREATLY</TD></TR></TABLE>
My car does the same thing. Driving around last night in the five degree temp. barely got the car warm. On a moderatly cold day 20-30 the car would cook me. I just deal with it. If your really cold just drive in 4th instead of 5th it will build more heat to heat the heater and you'll get warmer.
My car does the same thing. Driving around last night in the five degree temp. barely got the car warm. On a moderatly cold day 20-30 the car would cook me. I just deal with it. If your really cold just drive in 4th instead of 5th it will build more heat to heat the heater and you'll get warmer.