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Discussion Starter #1
Help Engine overheating. Both coolant and engine oil are coming out of the oil drain... Is this like a head gasket problem? It is a 2005 model. So it should still be under warranty. Therefore I think I need to go the dealer tomorrow...
Shall I ride or get it towed?

Thanks in advance,
 

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Tow Tow Tow!!!

MattKas said:
Help Engine overheating. Both coolant and engine oil are coming out of the oil drain... Is this like a head gasket problem? It is a 2005 model. So it should still be under warranty. Therefore I think I need to go the dealer tomorrow...
Shall I ride or get it towed?

Thanks in advance,
Water is not a lubricant and will cause SEVERE problems if you continue to run the engine!
 

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You definately have a serious problem. I would not even start the bike now. Trailer it to the dealer. If you run it you could cause even more problems than you have right now. I'm sure whatever it is your warrenty will cover it. Good luck :(
 

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sounds like your head gasket is toast
 

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What Caper there said is crucial. DO NOT EVEN TURN THIS ENGINE OVER, let alone start it!

It needs to be back to the dealer yesterday.

Head gasket is the best, cracked head or block at worst.

You should NEVER see oil in your coolant or coolant in your oil - big "OH CRAP!" flags waving here.
 

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Discussion Starter #7
Looks like the problem was the coolant in the reservoir. After coolant was replaced by the dealer, no more overheating. I purchased bike from Private owner not from the dealer.
 

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If the oil had collected in the resevoir, I'd want to know how it got there. Anyone do a compression test? Or a cooling system pressure test?

If the dealer says 'OK' and it's all on his nickel - cool. Waranty and all.

Still, I'd likely have an oil analysis run over the next few oil changes. If nothing more than for 'due dilligence'.
 

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Zotter said:
If the oil had collected in the resevoir, I'd want to know how it got there. Anyone do a compression test? Or a cooling system pressure test?

If the dealer says 'OK' and it's all on his nickel - cool. Waranty and all.

Still, I'd likely have an oil analysis run over the next few oil changes. If nothing more than for 'due dilligence'.
I'm with Zotter here.

How could adding coolant to the reservoir fix coolant coming out of the oil drain?



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The coolant and lubricating systems are completely separate and under normal circusmstances, never the twain shall meet. If they're comingling, something's rotten in Denmark! I would question the dealer as to why they were mixed and I definitely wouldn't go on any long rides before I got a reasonable answer.
 

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Discussion Starter #11
The coolant change worked for a few days. Now it started overheating again. So, I am now back to the dealer. The coolant was low. So, I added some last night. But where did the coolant go?. I did not see any coolant paddle under the bike. Possibly leaking inside the engine. The question still remains to be answered?
 

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This definitely sounds like a blown head gasket. I would call the dealer, have them pick it up and check it out. Coolant is most likely in the oil. I would not ride the bike at all until this is fixed.

Ray
 

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If there is no coolant in the oil, and it was changed a few days ago, then you probably had an air pocket in your radiator, as you ride the bike then your coolant cycles, and it drops your level to where you need to add more to get it to the correct level. I would definately have the dealer look at it though.
 

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Head gasket?

Have a look at this link to my coolant leak into the oil system on my '06. I caught mine early because I was doing routine oil analysis. http://www.bmwlt.com/forums/showthread.php?t=11616

Please post the results of fix with pictures of the engine internals and head gasket, if the engine is disassembled.
 

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Discussion Starter #15
Yes, coolant was found in the engine oil. The dealer (Scottsdale BMW, AZ) is ordering head gasket and thermostat with overnight shipping.

I wonder what the reliability is going to be after the fix. What are the chances that it would go bad again?
 

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Several Things To Insist Upon...

MattKas said:
Yes, coolant was found in the engine oil. The dealer (Scottsdale BMW, AZ) is ordering head gasket and thermostat with overnight shipping.

I wonder what the reliability is going to be after the fix. What are the chances that it would go bad again?

1. Insist that the dealer make every effort to verify for certain WHERE and WHY the coolant was leaking into the engine. They need to be certain about this...not just go in and change the head gasket.

2. Make sure they check the head and cyinder surfaces for "flatness". At the very least they should put a "straight-edge" across the surfaces to insure that neither is warped.

3. I would be there personally to inspect for any other abnormal wear/damage. They assured you that it wasn't a leak into the motor and just changed the coolant. I didn't believe this when I read your post stating it. :mad: If there was coolant draining from the oil drain...then frankly, any IDIOT would know that a coolant change would fix NOTHING. This is mechanic 101 stuff! To me, this is a HUGE red flag as to their expertise in diagnosis and repair. IN NO WAY WOULD I LET THE SAME MECHANIC PUT A HEAD GASKET ON MY BIKE.

In their misdiagnosis, it sounds like you ran the bike for a week or so with WATER in the oil. D...A...M...A...G...E POTENTIAL!!!! Make sure they do a valve check and check all rings. The reason I say this is because water does not compress...it usually bends valve stems, breaks cam bearings, etc. All these parts MUST be checked carefully for damage.

4. If it is just a head gasket and is repaired properly by a QUALIFIED MECHANIC, the reliability should be as good as new.
 

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I don't know about the LT, but on a car, if it overheats and the head gasket is blown, the head should be checked to make sure it isn't warped before putting it all back together.
 

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I agree 100% with points 1, 2 & 4, but have an issue with part of 3:
cccpastorjack said:
In their misdiagnosis, it sounds like you ran the bike for a week or so with WATER in the oil. D...A...M...A...G...E POTENTIAL!!!! Make sure they do a valve check and check all rings. The reason I say this is because water does not compress...it usually bends valve stems, breaks cam bearings, etc. All these parts MUST be checked carefully for damage.
It's true that water is not compressible, but oil is not supposed to be in the combustion chamber, so water in the oil should not be subject to compression. Granted, IF there is a bad head gasket, and IF coolant is leaking into one or more combustion chambers, then bent valves and broken rings and lands are possible. However, there would be considerable steam coming from the exhaust all the time, (not a listed symptom in this case), and there would be little or no trace of coolant in the oil.

I agree that water in the oil is a bad thing.

Also, no one has posed the possibility that the problem is in the combination water/oil pump.

George
 

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Also in a car, ie my 88 3.8 Ford V6, when the head gasket let antifreeze into the oil, the rod bearings surface finish was dulled. Ford refused to do the repair. They experienced rod bearing failure with in a year of the repair on earlier repair jobs. I'm told that some component of antifreeze attacks the lead in the babbitt bearings. Does anyone know if this applies to our K1200 engine?
 

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wilbar00c said:
Also in a car, ie my 88 3.8 Ford V6, when the head gasket let antifreeze into the oil, the rod bearings surface finish was dulled. Ford refused to do the repair. They experienced rod bearing failure with in a year of the repair on earlier repair jobs. I'm told that some component of antifreeze attacks the lead in the babbitt bearings. Does anyone know if this applies to our K1200 engine?
Water/glycol also does not have sufficient film strength to prevent metal-to-metal contact at bearing surfaces. This will result in destroyed bearings - IF the coolant concentration in the oil is sufficiently high. At a concentration of a few parts per million(ppm) it will not be a problem - but at higher concentrations, it will cause wiped bearings.
 
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