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#1
10-25-2010, 07:48 PM
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Coolant Leak....
I have 67K on my 03' and found a small coolant leak on my garage floor this AM. I had the dealer look at it (with a pressure test/dropped 3psi over 20 minutes) and there is coolant coming out near the bell housing. He pulled the cabin air intake filter housing out and looked down the rear with a light and mirror but did not see a leak coming from the rear of the motor. He seems to think it's a rear motor coolant manifold gasket?? and will need to drop the tranny to get at it
Has anyone had this issue or any thoughts? I've combed thru all the coolant leak threads but have not found one that specifically deals with what I am being told
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03' X5 4.4i Black Sapphire/Black 04' Land Rover Range Rover HSE 95' Jeep GC Ltd 
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#2
10-25-2010, 09:37 PM
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That coolant manifold is a pain to get to, but I would not drop the transmission to get to it. I usually remove the intake to get more room to work with, and change the intake valley pan while in there. (which could be the leak itself) It is about the same if not less in labor costs vs dropping the tranny, and the valley pan is one of those things that needs to be done usually by the 100K mark anyways.
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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is 
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#4
10-26-2010, 08:20 AM
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I'd definitely tell them you'd prefer to go the way I described. Honestly in over 6 years working in the dealership and a couple years on this forum I've never heard of removing the transmission to do the rear coolant accumulator gaskets... Maybe it was just anew tech that didn't consult anyone before putting up the estimate.
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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is
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#5
10-26-2010, 08:41 AM
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They are now calling it a Rear Manifold Cover that is between the engine and the transmission under the flywheel....I'm waiting on the actual hard-copy estimate to be faxed over now
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03' X5 4.4i Black Sapphire/Black 04' Land Rover Range Rover HSE 95' Jeep GC Ltd
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#6
10-26-2010, 11:55 AM
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Anyone have any idea what this part is?...I just found it in my engine compartment, more than likely leftover from yesterday's shop visit...it's rubber
NEVERMIND...It's the Gearbox (Tranny) Mounting Ventilation Cap..they forgot to put it back on....brilliant
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03' X5 4.4i Black Sapphire/Black 04' Land Rover Range Rover HSE 95' Jeep GC Ltd Last edited by bsprtsgrp; 10-26-2010 at 12:50 PM.
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#7
10-26-2010, 01:00 PM
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I'm beginning to think it is the valley pan gasket and they just see the coolant leaking down through the bell housing... I'd ask for the shop foreman to confirm the diagnosis before you approve the work done as you suspect the valley pan and/or rear coolant accumulator manifold, neither of which calls for transmission removed.
Here's a link to the rear coolant accumulator, which should be removed to do the valley pan anyways. It goes from the back of one head to the other. RealOEM.com * BMW E53 X5 4.4i COOLING SYSTEM PIPE
__________________
"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is
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#8
10-26-2010, 01:13 PM
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I'm going to take it to another BWM dealer (that I prefer) and have them look at it also....I'm with you, I'm leaning towards the valley pan gasket and/or the accumulator
__________________
03' X5 4.4i Black Sapphire/Black 04' Land Rover Range Rover HSE 95' Jeep GC Ltd
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