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|3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.|
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| Originally posted by uclabruins1996@Oct 28 2004, 07:23 AM |
I have a 96 328I sedan. When looking straight down from engine bay, the coolant seems to be leaking between the radiator and engine. The coolant does seem to leak right after driving it. After driving the vehicle, then stopping it, I inspect under the vehicle for 5 minutes, I see do not see any coolant leaking. But after the vehicle cools down (I never hung around that long to check again), I see the puddle of coolant. Also, my onboard cpu is telling me to check the coolant (every 2 days).
Why does it leak after remaining stationary for a while, but there are no sign of coolant leak driving it?
Where should I check first? Any particular hoses? Common leaking area?
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| Originally posted by steveo34@Oct 30 2004, 01:42 AM |
Sounds like a cracked/leaky hose to me.
| Originally posted by Brian325i@Oct 29 2004, 05:56 PM |
Well I see that hose clamp right there....is it dry around where that hose clamp is? If that's not it then it's probably the thermo housing or the water pump. If possible try and reach up to find any wet spots.
| Originally posted by 97alpineM3@Oct 28 2004, 07:44 AM |
A few good areas to check... Check all of your hoses.. as when they get old.. they get cracked... and that might be the problem... another is see if you can get a mirror of sort.. and check the water pump.. and around the water pump.. as it may be leaking from a bad seal.. there are also line running from the back left of your engine.. (looking forward)... check there... mainly.. check your lines...
Your post is rather confusing in that your not loosing fluid when the system is pressurized.. but you are loosing it when there is no pressure on the system.. Start the car.. let it warm up... check the hoses for leaks.. with the engine running... make sure its fully warmed up.. so that your thermostat opens and you are fully circulating the coolant... then once you have done that.. check the pump area... next shut it down... and then wait 5 mins or so.. and start looking at all of the areas you were previously looking at... then post what you find and we will work from there... or atleast help.
When your engine is running and warmed up... do you notice the fan wobbeling... and moving around... not in a perfect defined circle? If so.. then your pump is about to die... but that symptom is a very very unlikely happening...
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