Does your EGR leak like this? *Pics added* - 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 11-24-2006, 10:14 PM   #1
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Default Does your EGR leak like this? *Pics added*

My EGR leaks out of the shafts above the base. Both gaskets are good. The leakage seems to come from all three shafts and is coating everything close with greasy soot. This is the EGR off the 93 SE. The original EGR did this too. The 93 showed no signs of leakage when it was on the SE. Ideas?

This pic might give you the general idea.

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Old 11-25-2006, 02:21 PM   #2
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Old 11-25-2006, 02:25 PM   #3
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What do you have as a gasket there? It sure doesn't look like any I've seen, it'* so gummed up on the right side that it looks like rtv.
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Old 11-25-2006, 02:34 PM   #4
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Mine doesn't leak there either. The gasket between the bases is simply thin pieces of steel.

The base gasket is the same as the EM gaskets or crossover/DP donuts. Soft lead reinforced with metal screen.

John, can you clarify that your leaks are from WITHIN the EGR valve assembly itself?
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Old 11-25-2006, 03:19 PM   #5
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There is no sign of leaking at the gaskets. It'* coming out of the shafts.
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Old 11-25-2006, 03:23 PM   #6
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I'm not familiar with the L67 EGR valve. Could we get a pic pointing at it from the firewall end? Are there gaskets on the shaft and if so did you reuse the old ones?
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Old 11-25-2006, 03:37 PM   #7
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When I swapped I used a new gasket on the base. I didn't touch any gasket on the shafts if there is one.
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Old 11-25-2006, 03:38 PM   #8
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Quote:
Originally Posted by popatim
I'm not familiar with the L67 EGR valve. Could we get a pic pointing at it from the firewall end? Are there gaskets on the shaft and if so did you reuse the old ones?
This is a digital EGR valve used up through 93, not L67 specific.
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Old 11-25-2006, 03:58 PM   #9
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Is it pulling the EGR code?
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Old 11-26-2006, 01:11 AM   #10
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No code.
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