No Heat! - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 01-29-2007, 09:31 PM
n00b
 
Join Date: Jan 2007
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
chap0223 is on a distinguished road
(Thread Starter)
No Heat!

Alright, new to the forum, and I have minimal heat in my 87 325e. It's weird, I have hot heat at a low fan speed (1 or 2) and if I turn the fan up any higher the heat slowly dissipates to cool air. I took it to the dealer and they ran a bunch of tests to verify the operation of the heater core, radiator and heater control buttons. I changed the thermostat, the auxillary t-stat (recall for burning legs), water pump and radiator hoses. Obviously I bled the system after these changes, and added new coolant. What gives?
chap0223 is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 01-30-2007, 08:37 PM
5th Gear Member
 
Join Date: May 2004
Location: NC
Posts: 1,118
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
Sounds like your heater bypass valve is screwed up. You may have to change it.
Starmavin is offline  
#3 (permalink) Old 01-30-2007, 08:47 PM
1st Gear Member
 
Join Date: Feb 2004
Location: Malibu, CA
Posts: 112
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fporro is an unknown quantity at this point
Send a message via MSN to fporro Send a message via Yahoo to fporro
Quote:
Originally Posted by Starmavin
Sounds like your heater bypass valve is screwed up. You may have to change it.
any tips on how to easily remove this valve ???

cheers,
Frank
e30 parts

fporro is offline  
#4 (permalink) Old 01-30-2007, 11:06 PM
5th Gear Member
 
Join Date: May 2004
Location: NC
Posts: 1,118
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
Easy, it's found just above and to the right of your gas pedal. Drain your coolant all the way first or you'll flood your floor with coolant.
Starmavin is offline  
#5 (permalink) Old 01-30-2007, 11:19 PM
1st Gear Member
 
Join Date: Feb 2004
Location: Malibu, CA
Posts: 112
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fporro is an unknown quantity at this point
Send a message via MSN to fporro Send a message via Yahoo to fporro
well, i was at the yards the other day, found the valve, but was only able to get to the 1 screw facing me.
odd as the others faced firewall and it seems that valve would dismantle instead of dismount. what should i look for ?

3 or more Phillips screws, ?
did you used a stubby screwdriver ??
is the valve a integral part of that whole plastic piece ???

thanks,
Frank

cheers,
Frank
e30 parts


Last edited by fporro; 01-30-2007 at 11:23 PM.
fporro is offline  
#6 (permalink) Old 01-31-2007, 09:21 PM
5th Gear Member
 
Join Date: May 2004
Location: NC
Posts: 1,118
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
You remove it as a whole. Remove the center console, then take out the philips head screw of the retaining bracket nearest to the fire wall, then remove the (normally 8mm) head screw going into the heater bypass housing with a 1/4 ratchet. The rest is self explaining.

But before you rip your car apart you should check the hoses on the engine side for kinks and pinches first.
Starmavin is offline  
#7 (permalink) Old 02-03-2007, 09:27 AM
1st Gear Member
 
Join Date: Feb 2004
Location: Malibu, CA
Posts: 112
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fporro is an unknown quantity at this point
Send a message via MSN to fporro Send a message via Yahoo to fporro
thanks,
I'll give it a try next week.
b. regards,
frank

cheers,
Frank
e30 parts

fporro is offline  
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E21, E30)


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
puller fan not working and Heat.... 98e36bostonchic 3-Series (E36) 20 01-18-2006 01:25 PM
Heat only coming out of drivers side Yankees368 5-Series (E12,E28, E34, E39, E60) 14 12-06-2005 01:12 PM
Removing Heat Sheild Live_the_Curves 3-Series (E36) 9 03-09-2005 11:56 AM
Hey Guys, Just A Quick Question Regarding My Heat bimmerfan620 3-Series (E36) 6 10-29-2004 02:52 PM
no heat 1991 BMW 318i will1506 3-Series (E21, E30) 9 02-27-2004 10:58 AM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome