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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW! |
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07-20-2010, 05:37 PM
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#1 |
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Registered User
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Coolant system problem!
Hellow guys, over the weekend only hint I had was low level coolant light on dash, here a couple pics on closer inspection for someone knowledgeable to please assist.
  - LOOoOoooooow level... - Pass. side, all good... - Rear, all good... - Bottom, moisture noticeable... - This caught my eye... - Closer look...   - Oopss...   - Drain plug all moist... - Lower cover, all dirty and moist, top side was PITA oil leak taken care of.   I'm inclined to say, it's the radiator itself and not the ET as many here.(Car is 2002 318i 71500mi engine n42 auto tranny Production Code: AY71 ) Thanks for taking a look.
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 * Panama City, Panama * CSL 18" + Toyo P4s * Umnitza P46 + Orion V2 AEs * HID Fogs * Smoked Corner & Sidemarkers + Smoked EE LED Tails * Matte Black Grills * LED Plate + Reverse lights * |
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07-20-2010, 05:42 PM
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#2 |
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Registered User
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100 percent is the rad, take a pic of the bottom of the upper radiator inlet
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07-20-2010, 06:04 PM
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#3 |
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Tough space to get shot, this was the best.
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* Panama City, Panama * CSL 18" + Toyo P4s * Umnitza P46 + Orion V2 AEs * HID Fogs * Smoked Corner & Sidemarkers + Smoked EE LED Tails * Matte Black Grills * LED Plate + Reverse lights * |
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07-20-2010, 06:30 PM
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#4 |
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Registered User
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Radiator connection was deteriorated, I guess. When did you maintain the cooling system last time?
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07-21-2010, 11:48 AM
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#5 |
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Registered User
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I don't do the maintenance myself but recent changes on this area include ET replaced 4 yrs and Upper + Lower radiator hoses about 2 yrs ago. After that nothing had been pointed out by mechanic. Good thing is that the car went into the shop this morning. Initial feedback was the radiator needs to be replaced, but I've to wait further evaluation for a quote if any other parts are required to be replaced as well. I guess it's only a matter of time now.
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* Panama City, Panama * CSL 18" + Toyo P4s * Umnitza P46 + Orion V2 AEs * HID Fogs * Smoked Corner & Sidemarkers + Smoked EE LED Tails * Matte Black Grills * LED Plate + Reverse lights * |
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07-21-2010, 01:03 PM
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#6 |
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Stay stock my friends!
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Yes, it's the radiator, but your ET might be leaking too...so if other things are replaced, fine...but do ET too...good time for Therm, WP, belts, maybe a pulley or two.
If ET has 50K miles on it or more, it's worth the $50...and a rad, online, $140 for a manual. If you got 195K miles out of your original radiator like me, you should be happy...anything over 150K prolly pretty good! This is the time for cooling system refresh, though...whatever didn't come out 2 years ago...maybe even the four ancillary hoses for heater/engine? Sorry...you 'sort of' asked! Doug
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 This huge woman, like 400 pounds comes up to me and says, "Doug, I would rock your world." I replied, "but I need to breathe." The girl in my sig:http://forum.e46fanatics.com/showthr...highlight=dmax |
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07-21-2010, 01:08 PM
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#7 |
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Registered User
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Yep. I also agree on doing the exp tank while you are in there, you will have to sooner or later anyways. I would also check various coolant hoses around the bay for leaks/cracks while you are at it.
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07-21-2010, 01:10 PM
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#8 |
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Registered User
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I just did my ET because I thought it was leaking. While pulling it out I noticed that my radiator had a small crack at the same location yours did. Right now I used RTV to fix the joint
 . Temporary of course until I can source a radiator (OEM or Aluminum). I haven't decided yet. |
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07-22-2010, 03:59 PM
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#9 |
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Registered User
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Just off the phone with mechanic. Culprits were the plastic radiator joint (?) and plastic ET (once again
 ), rest is A-OK! parts and labor $710. All will be good now as I get my wheels back, give it a good wash and roll turning heads around
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* Panama City, Panama * CSL 18" + Toyo P4s * Umnitza P46 + Orion V2 AEs * HID Fogs * Smoked Corner & Sidemarkers + Smoked EE LED Tails * Matte Black Grills * LED Plate + Reverse lights * |
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07-22-2010, 05:21 PM
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#10 |
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Registered User
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mine leaks a little. Guess Ill have to try rtv haha
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