wrong bleeding procedure or blown head gasket? - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 03-19-2011, 08:50 PM
n00b
 
Join Date: May 2009
Location: los angeles
Posts: 15
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
bavareze is on a distinguished road
Send a message via Yahoo to bavareze Send a message via Skype™ to bavareze
(Thread Starter)
wrong bleeding procedure or blown head gasket?

Hello,

I am having a problem with my 323i with 170k.

One week ago it overheated badly. Someone else was driving I noticed the expansion tank was punctured and coolant leaked.

So I got a new tank. After that I filled with coolant. I opened the bleeding screw while filling to make sure air goes out. Then when I start the car I see some issues:

- immediately a lot of pressure builds in the hoses.
- coolant does not circulate through the hoses

so I went to get a new thermostat, put it in, redid bleeding.

same issues: as soon as I start the car there will be a lot of pressure in the cooling system.

shall I go ahead and assume head gasket is gone?

Thanks!
bavareze is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 03-19-2011, 11:59 PM
42, The meaning of life
 
brettski's Avatar
 
Join Date: Jul 2009
Location: Melbourne, Australia
Posts: 2,405
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
brettski is just really nice brettski is just really nice brettski is just really nice brettski is just really nice brettski is just really nice
If you leave the cap off the expansion tank does the system still build up pressure?
Try running the car without a thermostat installed at all, maybe there is an air lock stopping it from working.
Check that the hose that runs from the radiator to the bleeding screw and expansion tank isn't kinked, apparently that can stop air from being purged.


Riding in style
brettski is offline  
#3 (permalink) Old 03-20-2011, 12:06 AM
n00b
 
Join Date: May 2009
Location: los angeles
Posts: 15
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
bavareze is on a distinguished road
Send a message via Yahoo to bavareze Send a message via Skype™ to bavareze
(Thread Starter)
Quote:
Originally Posted by brettski View Post
If you leave the cap off the expansion tank does the system still build up pressure?
Try running the car without a thermostat installed at all, maybe there is an air lock stopping it from working.
Check that the hose that runs from the radiator to the bleeding screw and expansion tank isn't kinked, apparently that can stop air from being purged.

even without thermostat (which, btw, comes with the housing so it's not possible to remove on E46) the car shouldn't build pressure in 10 seconds after starting. should only build pressure after water is boiling inside.

The hose from radiator to bleeding screw is 4 cm thick, not blocked at all.
bavareze is offline  
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E46, E90)


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
blown head gasket blown325i New Members Check In 4 07-18-2008 11:43 AM
Blown head gasket, Cracked cylinder head... Blackoutmp M-Series (M1, M3, M5, M6) 8 04-04-2006 01:51 AM
Help Does A Blown Head Gasket/head Make Noise? E36k224 3-Series (E36) 7 03-17-2005 12:18 PM
Blown head gasket, new motor or new gasket? Bmw528i 5-Series (E12,E28, E34, E39, E60) 9 07-07-2004 01:06 AM
Blown Head Gasket TT535 5-Series (E12,E28, E34, E39, E60) 7 12-06-2003 08:01 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