Jump to content


Welcome to Ultimate Subaru Message Board, my lurker friend!

Welcome to Ultimate Subaru Message Board, an unparalleled Subaru community full of the greatest Subaru gurus and modders on the planet! We offer technical information and discussion about all things Subaru, the best and most popular all wheel drive vehicles ever created.

We offer all this information for free to everyone, even lurkers like you! All we ask in return is that you sign up and give back some of what you get out - without our awesome registered users none of this would be possible! Plus, you get way more great stuff as a member! Lurk to lose, participate to WIN*!
  • Say hello and join the conversation
  • Subscribe to topics and forums to get automatic updates
  • Get your own profile and make new friends
  • Classifieds with all sorts of Subaru goodies
  • Photo hosting in our gallery
  • Meet other cool people with cool cars
Seriously, what are you waiting for? Make your life more fulfilling and join today! You and your Subaru won't regret it, we guarantee** it.

* The joy of participation and being generally awesome constitutes winning
** Not an actual guarantee, but seriously, you probably won't regret it!

Serving the Subaru Community since May 18th, 1998!

Guest Message by DevFuse
 

Photo
- - - - -

95 Subaru Impreza Heater


  • Please log in to reply
11 replies to this topic

#1 Tracon

Tracon

    New User

  • Members
  • PipPip
  • 19 posts
  • El Paso

Posted 05 February 2011 - 11:24 PM

Hey guys, having a bit of a problem with my car heater and not sure what to do. I'm not as car savy, but I am learning.

So, plain and simple my car is a 1995 Impreza 2.2l and the car heat is just not blowing hot air. The coolant levels are great, nothing is missing and I have tested the coolant to assure that it works and its not old, so its good stuff. Just when I put my car heater on, it's just blowing cold air, I hear the engine stressing as it normally would with the climate control on, but nada but cold.

It's been really cold down here in El Paso, Texas and it would be nice to have the heater working, but not sure. Any suggestions would be very much appreciated. Thank you.

#2 94Loyale

94Loyale

    I Love EJ22's

  • Members
  • 461 posts
  • Orwigsburg,Pennsylvania

Posted 06 February 2011 - 01:39 AM

Do you have normal temp on the gauge? If the car is running at normal temp, then I would say the heater control cable came off the heater box. The cable runs from your temp selector to the heater box. It most likely came off on the bottom. Look on the passenger side of the center console area (where your radio and controls are) under where the passengers feet go. You will see a cable, and it hooks to an arm on the heater box.

#3 True2Blue

True2Blue

    SU<3ARU

  • Members
  • 776 posts
  • Belfair WA

Posted 06 February 2011 - 01:59 AM

or plugged up heater core

easy to test pull outlet line on the engines side and prop a milk jug or coolant catch up n turn er on if you have flow the problem is inside the cabin like said above

#4 Tracon

Tracon

    New User

  • Members
  • PipPip
  • 19 posts
  • El Paso

Posted 06 February 2011 - 11:56 AM

Okay. This sounds stupid but can you all give me a relative location of the heater core. The car btw has normal temps no overheating at all. Thanks.

#5 Cougar

Cougar

    Elite Master of the Subaru

  • Members
  • 6,340 posts
  • Anchorage

Posted 06 February 2011 - 12:30 PM

The core is located in the large box mounted on the firewall on the passenger side along with the AC evaporator. A vent door inside is used to switch which side the hot or cold air comes from.

#6 Olnick

Olnick

    Ol' Subaru Guy

  • Members
  • 2,633 posts
  • Honolulu HI

Posted 06 February 2011 - 12:50 PM

Check out some of the "Similar Threads" at the bottom of this page and use the "Search" function up top--lotsa' previous discussion that will help you understand the job.

Good luck.

#7 True2Blue

True2Blue

    SU<3ARU

  • Members
  • 776 posts
  • Belfair WA

Posted 06 February 2011 - 01:29 PM

you can usually hear if your "vent door" open and close if you put an ear down low under the glove box and move you heat control lever back and fourth fast on the gl's it made a flap sound on these new guys its quiet but you can hear it.

heres a shot of the heater core tubes from the engine bay follow the two rubber hoses hooked up in the center (about 5 inches apart one on each side of the triangle that the eng/trans mount is hooked to) going through the fire wall

http://farm5.static....9f979d35f_b.jpg

and what do you know a local is sellin one but here is what youll see when you look for it

http://seattle.craig...2192477502.html

its inside looks like tiny radiator (incase ya didnt know)

#8 Tracon

Tracon

    New User

  • Members
  • PipPip
  • 19 posts
  • El Paso

Posted 06 February 2011 - 07:52 PM

Okay, ran a test. I heard the vent switch and that seems to be working fine. Now under the hood I was able to see the heater core lines and the one the driver side one going inside the car feels strong and in good condition, the other one, if I touched the passenger side one seems to be a different kind of hose, not soft, it's a hard plastic, maybe it wasn't a line to the system at all.

Ran a car test for 15 minutes, The engine of course stresses a little while the climate system is on and I checked for the vent switch and it's audible enough for me to say that's not the problem. I allowed the car to warm up to normal operating temp reved to 2K RPM to speed it up a little.

The AC when on it chills the car wonderfully, however when I put on heat the temp doesn't turn cold nor warm, it's just a cooler air but no heat in it at all. Ran the heater for a little bit but never warmed up, but once I switched to AC it quickly turned into cold air.

At the end, I went to the engine again ready to close it up, but I then touched the driver side hose going into the car and the hose was hot to the touch. Not sure if that means anything, but that hose was indeed hot.

#9 Cougar

Cougar

    Elite Master of the Subaru

  • Members
  • 6,340 posts
  • Anchorage

Posted 06 February 2011 - 11:19 PM

Try feeling the return side hose of the heater core. If it is a lot cooler to the touch then the core is most likely plugged up.

#10 Allpar Mod

Allpar Mod

    USMB is life!

  • Members
  • 174 posts
  • Western Pennsylvania

Posted 07 February 2011 - 09:02 AM

You guys forgot the simplest possible answer of all...thermostat stuck open. The temp gauge will still show normal operating temperature, but as it won't shut, the coolant never gets hot enough to heat up the heater core. This is one of the most common reasons for a malfunctioning heater where it doesn't produce heat.

If you do replace the stat, make sure you get all of the air out of the cooling system afterward.

#11 naru

naru

    1000+ Super USER!

  • Members
  • 1,818 posts
  • under the bridge

Posted 07 February 2011 - 10:47 AM

You guys forgot the simplest possible answer of all...thermostat stuck open. The temp gauge will still show normal operating temperature, but as it won't shut, the coolant never gets hot enough to heat up the heater core. This is one of the most common reasons for a malfunctioning heater where it doesn't produce heat.

If you do replace the stat, make sure you get all of the air out of the cooling system afterward.


If the temp gauge shows normal operating temperature,coolant is hot enough.

#12 Cougar

Cougar

    Elite Master of the Subaru

  • Members
  • 6,340 posts
  • Anchorage

Posted 07 February 2011 - 11:03 AM

My experience with a stuck open thermostat was the coolant never made it to full temperature. It stayed around 160 degrees instead of around 185 degrees. The trouble that the OP is having looks like it is due to a plugged core to me. If the trouble was just a stuck thermostat there would be more heat felt I think.

Edited by Cougar, 07 February 2011 - 11:08 AM.





0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users