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E34 (1989 - 1995)

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  #1  
Old 02-17-2013, 05:15 AM
Amilia Amilia is offline
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Mein Auto: 1995 bmw 525i stick
Question 525i head gasket?

Got car to start... Over heating...Coolant still pouring out the back passenger side of vehicle. Runs smooth. Rpm sits right. Any ideas. 525i 1995 there's no coolant in my oil. Dip stick clean idles great... As far as I know no smoke blowing out the back. BMW told me there was a flange on the back of the block passenger side? Any ideas? Help appreciated.

Last edited by Amilia; 02-17-2013 at 05:16 AM.
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  #2  
Old 02-17-2013, 05:41 AM
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Is the coolent pouring out under the car or inside back passenger floorboard? If it is inside the car then it is your heater core. In that case the car would be over heating due to the fluid level. there is also a drain plug on the floore boards so that would explain why it is pouring out under the car. try bypassing the heater core, filling the coolant to correct level and see what happens.

Hose diagram

http://static.bmwfans***91;/img] ********...c/ODYxOV9w.png
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Last edited by CarDriver; 02-17-2013 at 05:57 AM.
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  #3  
Old 02-17-2013, 05:45 AM
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Why the heck would you block a link to a hose diagram??? Could be from a BS web site. Plenty of them out there.

Oh well, i will attach photo instead

Diy e34 heater core replacement

http://forums.bimmerforums.com/forum....php?t=1328893
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Last edited by CarDriver; 02-17-2013 at 06:00 AM.
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  #4  
Old 02-17-2013, 05:55 AM
Amilia Amilia is offline
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It's pouring out on the ground. Coolant is being sucked out through radiator through the engine till it hits the back of the block then pouring out onto ground. M50 engine. Would that affect my ac?
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  #5  
Old 02-17-2013, 05:57 AM
Amilia Amilia is offline
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Mechanics are trying to tell me it's a head gasket.... They have not even pressure checked the system and I really have no help with this or tools. I just don't want some mechanic selling me on a head job when that's not the problem.
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  #6  
Old 02-17-2013, 06:10 AM
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OK you meant rear passenger side of engine? For fluid to leak out that bad, it would suggest cracked block or severely warped head. I am assuming though that the mechanic ruled out the hoses near the fire wall...

Heare are some tell-tale signs of a bad head gasket

http://www.bmwe34.net/E34main/Trouble/Headgasket.htm

By the way, has anyone checked to see if there is coolant in the oil / oil in he cooling system ?? Provided the mechanic ruled out hoses and flanges on the engine block, yours sound more like cracked block then head or head gasket.

Hopefully some one else will chime in who has had more experience than me :o)))
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Last edited by CarDriver; 02-17-2013 at 06:26 AM.
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  #7  
Old 02-17-2013, 06:38 AM
snowsled7 snowsled7 is offline
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Rather than guessing, can the OP simply look back there with the engine running and a light to verify the source

I agree, headgasket failures do not normally result in coolant running out at a high rate.

Lots of coolant lines I would be checking first.
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  #8  
Old 02-17-2013, 06:54 AM
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Totally agree, Can't ass-ume the mechanic properly ruled out anything. And I should not unnecessarily scare Amilia over something that could be minor :0)))

Amilia, There is a hose connected to a flange at the rear of the engine block just forward of the transmission bell housing. It runs from there to the water cut off valve, I would pay close attention to this hose first as it is closest to where you see fluid leaking under the car. but still look to the rest of the hoses.
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Last edited by CarDriver; 02-17-2013 at 07:28 AM.
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  #9  
Old 02-18-2013, 07:36 AM
Amilia Amilia is offline
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Thumbs down 1995 525i overheat problem head gasket?

Where the manifold meats the back off the block that's were it's bubbling out of.
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  #10  
Old 02-18-2013, 08:05 AM
Amilia Amilia is offline
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It runs smooth no funky rhythm.
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  #11  
Old 02-18-2013, 08:07 AM
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you must be a contortionist lol.

you're positive thats coolant? I had this on my car



It was oil and a VCG fixed it thus far...

link to my thread She's Dying
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Last edited by Monsignor; 02-18-2013 at 08:13 AM.
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  #12  
Old 02-18-2013, 08:10 AM
Amilia Amilia is offline
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Exhaust to block leaks there along block gasket
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  #13  
Old 02-18-2013, 08:15 AM
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let's just stick to this thread rather than the other. no need to keep double-posting. This one has more information and history.

you must be a contortionist lol.

you're positive thats coolant? I had this on my car



It was oil and a VCG fixed it thus far...

link to my thread She's Dying
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  #14  
Old 02-18-2013, 08:32 AM
Amilia Amilia is offline
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U say valve cover gasket? I had oil around my spark plugs. Had to clean them out then put new valve cover gasket in and spark plugs.
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  #15  
Old 02-18-2013, 08:34 AM
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Did that help at all? when did you do that? Did you use RTV? did you torque the bolts down properly?
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  #16  
Old 02-18-2013, 08:34 AM
Amilia Amilia is offline
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I can see coolant dripping onto hose next to engine.... Clean green coolant. Mechanic seems nervous I'm all under my car before he starts tearing it apart.
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  #17  
Old 02-18-2013, 08:36 AM
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which hose?

You should have him perform a compression test before you tear the head down
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  #18  
Old 02-18-2013, 08:36 AM
Amilia Amilia is offline
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The problem is its over heating. Loosing coolant and its not pouring into the engine. Going to go check ever hose I can. I know it's not the radiator.
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  #19  
Old 02-18-2013, 08:37 AM
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a compression test would confirm whether or not HG is the issue.
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1995 525iA 250k mi
2006 325i/6 57k mi
2003 350Z 88k mi

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  #20  
Old 02-18-2013, 08:37 AM
Amilia Amilia is offline
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Give me a minute ill get pics I have to eat some food first. No he didn't pressure test anything and he things I'm just gonna start coughing up money like an idiot
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  #21  
Old 02-18-2013, 08:39 AM
Amilia Amilia is offline
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I tried to pressure test the system never done it before wasn't sure if I did it right. I was starting to thing when I was doing that there was a hose that was clogged it sat for 1 yr before I had this over heating problem.
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  #22  
Old 02-18-2013, 08:40 AM
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So here's the facts:
  • Its overheating
  • you're losing coolant
  • but not internally
  • its pouring out of the back somewhere
  • but you can find any hoses or anything else that might be the cause
  • you think its coming from the head gasket out, rather than into the engine?

Quote:
Originally Posted by Amilia View Post
I tried to pressure test the system never done it before wasn't sure if I did it right. I was starting to thing when I was doing that there was a hose that was clogged it sat for 1 yr before I had this over heating problem.
So the car sat because of a clogged hose? did you ever replace it or find the blockage? Never got the compression numbers?
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2006 325i/6 57k mi
2003 350Z 88k mi

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Last edited by Monsignor; 02-18-2013 at 08:44 AM.
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  #23  
Old 02-18-2013, 08:55 AM
Amilia Amilia is offline
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That all looks like oil to me
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  #24  
Old 02-18-2013, 08:57 AM
Amilia Amilia is offline
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That's what the mechanic is saying, but something is telling me its not the head gasket looked again I'm about to start it up let it get real hit and see where it's pouring coolant out. I don't trust mechanics I'm a woman ya know.
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  #25  
Old 02-18-2013, 09:38 AM
Amilia Amilia is offline
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Thinking about putting a new engine in it.
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