Elbow Leak - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-20-2007, 12:49 PM   #1
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Default Elbow Leak

[b]Splt from: http://www.bonnevilleclub.com/forum/...ght=ek98+elbow

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Fm Will Wren
From your picture of the Elbow >>>Elbow was already eroded in half (did not break when removed, and was
probably leaking a little) & Note the orange o-rings on the new coolant elbow posted 3 pics above. It'* a
coating designed to ease installation. It hid this factory (AC Delco) flaw in
the o-ring, and caused another top end teardown the following day.
As I'm also noticing leakage, from the same Elbow, I'm a little confused over your comment above. Are you saying that the 'coating' contributed to the leakage issue? Or was there a lack of coating which contributed. ???? NOW IS SEE, the 'coating' hid the defect on the actual o-ring. Am I correct ????
(((>I should alert you all, I'm not the brightest person who just got off the turnip truck; But, I'll always ask questions. <)))

I should note: the pictures made a considerable contribution to fully understanding where the problems originated, and the steps necessary to correct the issue. Very, very impressive picture work.
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Old 03-20-2007, 01:29 PM   #2
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Hi Luke!

Welcome to the club! Because the topic you originally posted in was in Your Ride and is 6 mos old, I've started a new topic for you, referencing it. Please advise what year/model your Bonnie is. I made the guess at it being 92-99. but can move it to the appropriate folder if it is not within this year. Thanks!


Tracy
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Old 03-20-2007, 03:09 PM   #3
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You are correct, the coating filled in the flaw on the gasket. This made it unnoticeable until we installed it and the pressure of the coolant flow blew the coating out of the flaw, creating the leak. Then when Bill took the elbow out he found out about the flaw, and got a new elbow at autozone.
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Old 03-20-2007, 05:11 PM   #4
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Yup. That'* the flaw. It was hidden by the orange dry lubricant. You can even see how the orange washed away at the leak point by the traces on the elbow.

Get a Dorman elbow from the HELP! section at your favorite auto parts store.
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Old 03-21-2007, 11:35 AM   #5
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Default UIM/LIM EGR Stovepipe gasket leakage on SII 3800 "K&quo

Most appreciative for the response; As I'm doing some research for my wife'* Buick '97, LeSabre, SII 3800 with a UIM/LIM EGR Stovepipe gasket area coolant leakage. . Will Wren'* photos were referenced over at the "Automotive Forums>Buick/LeSabre" site. I found it invaluable, truly, invaluable. Thank you for the 'Dorman Elbow' recommendation. Unfortunately, I'll have to have the work affected at a dealer, or local shop, familiar with this issue on the SII 3800 engines.

Very interesting about the evidence of the Orange lubicant revealing itself on the side of the elbow., for mine is in the initial phase of leakage.

Also, Tracey, thank you for moving my posting to a more appropriate slot.

Luke
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Old 03-21-2007, 11:42 AM   #6
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Luke, you are welcome to stick around and hang with this bunch if you get the hankerin'.

We have a number of Buick ownin' members on here, and we don't even kick 'em...very often... :P
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Old 03-21-2007, 11:59 AM   #7
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Thank you Lash, I'll just learn, inspite of my heavy input over at the Saturn site, the expertise I've noticed over time from the likes of Bonneville Club, one can just learn.
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Old 03-21-2007, 12:03 PM   #8
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Luke..if you are looking to learn about the EGR area of the UIM. Any search on Dillion or Buttermore will get you tons. Also in Techinfo at the top of the page. Under Engine/Mechanical.. last item. Article 38 is the winner.
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Old 03-22-2007, 10:54 AM   #9
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Thank you Bill, I'm off to that now......
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