Xoutpost.com

Xoutpost.com (https://xoutpost.com/forums.php)
-   X5 (E53) Forum (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/)
-   -   N62 Rear coolant leak question (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/108126-n62-rear-coolant-leak-question.html)

rocksteadyX5 04-20-2018 04:29 PM

N62 Rear coolant leak question
 
So I have been reading up on the dreaded rear coolant link on the N62 engine. I have the '04/4.4i with a leak back there and I am contemplating replacing the valley pan and the pipe. But if the understanding is that the only way to fix a leak on the passage cover is to drop the engine and the tranny. UGH!!!

What I want to understand is how does the coolant get into the "Rear Coolant Passage Cover"?
Is it from the rear seal of the valley pan pipe? or does the valley pan pipe expel coolant into that passage cover and the seal of the passage cover eventually fail?
:dunno:

X5only 04-20-2018 05:26 PM

Quote:

Originally Posted by rocksteadyX5 (Post 1133041)
So I have been reading up on the dreaded rear coolant link on the N62 engine. I have the '04/4.4i with a leak back there and I am contemplating replacing the valley pan and the pipe. But if the understanding is that the only way to fix a leak on the passage cover is to drop the engine and the tranny. UGH!!!

What I want to understand is how does the coolant get into the "Rear Coolant Passage Cover"?
Is it from the rear seal of the valley pan pipe? or does the valley pan pipe expel coolant into that passage cover and the seal of the passage cover eventually fail?
:dunno:

My '05 4.4 used to leak coolant in the rear after being parked for several days, and I had a sinking feeling in the pit of me wallet. It ended up being the coolant pipe leaking. I tackled the project myself replacing the water pump, coolant pipe (with the collapsible version, not OEM) and valley pan gasket. Look carefully in the valley pan area for signs of dried coolant. You may be in luck:D The project is not hard.

rocksteadyX5 04-20-2018 06:59 PM

Quote:

Originally Posted by X5only (Post 1133043)
My '05 4.4 used to leak coolant in the rear after being parked for several days, and I had a sinking feeling in the pit of me wallet. It ended up being the coolant pipe leaking. I tackled the project myself replacing the water pump, coolant pipe (with the collapsible version, not OEM) and valley pan gasket. Look carefully in the valley pan area for signs of dried coolant. You may be in luck:D The project is not hard.

The coolant pipe leaking from the rear seal on the pipe?

X5only 04-20-2018 08:54 PM

Quote:

Originally Posted by rocksteadyX5 (Post 1133052)
The coolant pipe leaking from the rear seal on the pipe?

The main leak was from the coolant pipe front seal (it was all torn up). But the valleypan gasket was also leaking. This is the leak that was dripping from the rear of the engine. To replace the coolant pipe easily, use the collapsible type.

rocksteadyX5 04-21-2018 12:21 PM

1 Attachment(s)
Quote:

Originally Posted by X5only (Post 1133043)
My '05 4.4 used to leak coolant in the rear after being parked for several days, and I had a sinking feeling in the pit of me wallet. It ended up being the coolant pipe leaking. I tackled the project myself replacing the water pump, coolant pipe (with the collapsible version, not OEM) and valley pan gasket. Look carefully in the valley pan area for signs of dried coolant. You may be in luck:D The project is not hard.

Finally got a chance to put my phone camera back there....looks like it is the Valley Pan.

X5only 04-21-2018 01:11 PM

Quote:

Originally Posted by rocksteadyX5 (Post 1133083)
Finally got a chance to put my phone camera back there....looks like it is the Valley Pan.

Bingo:thumbup:

rocksteadyX5 04-21-2018 01:16 PM

Quote:

Originally Posted by X5only (Post 1133087)
Bingo:thumbup:

Thanks. About to start the pull down. Most likely will change out the valley pan. Looks like it has some oxidation going on back there. I see UroParts have an whole kit to $285 on Ebay. which pipe did you use? The one from AG (All German) Their kits is allot more. :-)

X5only 04-21-2018 03:41 PM

Quote:

Originally Posted by rocksteadyX5 (Post 1133088)
Thanks. About to start the pull down. Most likely will change out the valley pan. Looks like it has some oxidation going on back there. I see UroParts have an whole kit to $285 on Ebay. which pipe did you use? The one from AG (All German) Their kits is allot more. :-)

Yes, that's the one I used. You can get it for $240 from https://www.eeuroparts.com/

https://www.eeuroparts.com/Parts/366...-11141439975R/

Here's my thread on the repair:
https://xoutpost.com/bmw-sav-forums/...me-wallet.html

You may consider doing your valve cover gaskets and timing covers. Removing the intake manifold to access valley pan may disturb the integrity of valve cover gaskets resulting in a vacuum leak ... and then ... white smoke after extended idle ... and then you will think it's the valve stem seals! Please don't ask how I know;)


All times are GMT -4. The time now is 02:35 AM.

vBulletin, Copyright 2024, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.6.0
© 2017 Xoutpost.com. All rights reserved.