Question about 2000 BMW 3 Series

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I have a BMW 2000 316 Ci that has been using a lot of water. My mechanic had it at the weekend and replaced a hose near the head gasket but it still has the same problem, it however is not overheating

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  • manta1970 Jun 22, 2009

    I will pass on your suggestions to my mechanic and see what he thinks. The hose he replaced was coroded and was covered in white chalky residue.....

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  • BMW Master
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Have coolant system pressure test.what they do is pressurize your coolant.about 14 psi look in radiator for bubbles if so you have head gasket leak. or they drain oil out leave drain plug out to see if coolant come out crank case.that also means leaking head gasket or intake gasket.they will look for leaks around radiator +all hoses.look at water pump gasket weep hole.for leaks also check engine core plugs for leaks.they will make sure you have 50% coolant and 50% water .if you have too much water.it will evaporate away.

Posted on Jun 22, 2009

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4 Answers

How can I fix the head gasket


The gasket replacement task is similar for most petrol-engined cars. It is a fairly straightforward task for a mechanic or someone with very good mechanical skills. However it is a task full of pit-falls for a novice mechanic and if you are determined to do it yourself and it is the first headgasket you have tried to replace, then you should get hold of the workshop manual covering that particular engine and follow it carefully.

You will in general need to disconnect everything attached to the head, so that you can lift it clear. That will include the timing chain or belt, fuel lines, water lines, hoses, electrical, manifolds, etc., as well as unscrewing the head bolts in the correct rotational sequence. There are specific and detailed procedures that must be followed in order to correctly put all these components back - especially in regard to using a torque wrench to correctly tighten and re-tighten the head, and in regard to re-timing the camshaft to obtain the correct valve timing and setting up the tensioner.

With the head removed you will need to get the head checked for flatness as only a few thou of warp will defeat your attempts to get a good seal on the new gasket.

It may also pay to get the head checked for microscopic cracks. [This is more applicable for CI heads.]

I would also take the opportunity to de-coke the head and pistons and examine the bores for wear and scoring. If the engine has been run for long with the gasket leaking water to any cylinder, then that bore is likely to be damaged / worn and without further repair you may find compression is down on that cylinder after head replacement.

The ONLY substitute for experience is a good brain and the ability to understand and follow a detailed manual exactly. If in doubt along the way, stop and ask.


After reading this you may decide it is beyond you and better to employ an experienced mechanic. Your call.

Cheers

May 29, 2014 | 1997 Chevrolet Lumina

1 Answer

BMW 318I overheating after new pump/thermostat/ idlers/ tank etc


Just because the headgasket was replaced doesn't mean its sealing.The head itself could be cracked or warped if the previous owner badly overheated it. Can you confirm if the shop who replaced the headgasket had the head checked for straightness and cracks?

Jun 04, 2012 | 2000 BMW 3 Series

1 Answer

My bmw 330I was over heating so I added so anti freeze now it wont start, did I do something wrong.


You very likely have a leaking engine cylinder head gasket allowing coolant to enter the engine cylinders and cause the no start. You will need a shop to replace it.

Apr 17, 2012 | 2006 BMW 330 Ci

1 Answer

Car was overheating...replaced water pump, radiator and hoses. Got car from shop and had hugh white clouds following me home. Drove home and immedeately parked it. Started it every other day for 2 weeks...


Hello,

I am sorry to say it looks like you have blown a head gasket. What happen is when it was overheating, it was maybe because the water pump of course was not providing water/antifreeze to the motor. Now of course that is why you took it to the shop to have water pump replaced, radiator and hoses and etc. Maybe just Maybe the thermostat could of been the original problem that cause the overheating to begin with, however that is pass tense now.

When there is white smoke pouring out the back, especially with the prior problem with the over heating, it most likely warped your head, which of course cause a leak at the head gasket. Now, the load thump or pop you hook under hood, could be because the head gasket is blown possible now threw a rod, or piston. I do not want to scare you and tell you a lot of stuff that you don't want to hear, but it will be expensive to fix if you blew a head gasket and threw a rod, or piston. Best thing to do, is i hate to say it, is get it into the shop. Yes, it would have to be towed. Unless you have a real good shop near by or good friend that is mechanically inclined to verify my diagnosis.
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Aug 10, 2011 | 1999 Cadillac Escalade

1 Answer

My 1997 honda accord is starting to get hot. My husband just changed the radiator. Just wondering what could be wrong?


Thermostat is clogging, water pump failure, air in cooling system, a leak in the hose. These are the obvious issues concerning overheating. Hopefully its not a blown head gasket. There is a 30 dollar diagnostic you can have run and the mechanic will tell you if its a blown head gasket. I should know. I have a bmw and i didnt get diagnostic and bam head gasket was way warped. Cost me 2200 for head gasket repair. This is what I recommend you do. Also you could run vehicle without thermostat and see what happens. if it dont over heat then it was thermostat.

Aug 16, 2010 | 1997 Honda Accord

1 Answer

My 318ti is useing lots of water


By he sounds of it... you need a mechanic ASAP. if you car is using water, it has to go somewhere and that would be your oil pan.
Do not start this car again.
Your mechanic need to reolace the Head Gaskets or needs to to replace the head.
Water runs thru the engine,and sometime the gasket will blow and the the water goes to the lowest point which is the oil pan

Jul 29, 2010 | 1999 BMW 318 ti

2 Answers

I replaced water pump, radiator, belts, fan


Make sure the thermostat is new and it opens up when hot, you can do that by submerging it into a pot of boiling water for a while and you will see it opening up, if it doesn't then is bad. Also, make sure that the coolant (or antifreeze, depending where you live of course) is not brownish or "muddy" like, this would mean that oil is mixing with your coolant which could mean that you have a blown head gasket and needs to be replaced. If you see the "muddy" looking like coolant, then it is very likely you have a blown head gasket. You can do it yourself, is a looooong job and it takes a lot of patience, but it can be done. If you don't feel comfortable doing it then get it done by someone that is going to really get ALL the gaskets replaced, not only the ones on top of the cylinder heads, and that they charge you fair. The whole gasket set can run between $150 and $500 depending on the car, but the head gaskets alone can run between $60 and $150, depending on the car of course. Read about your car before you go to a mechanic, it will save you a lot of headaches and extra expenses.

Jul 26, 2009 | 1996 BMW 318

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