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Old 06-30-2003, 03:15 PM   #1
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Default 92 SSE series 1

I have owned my SSE for 8 years now- and have always wondered why this
engine doesn't have an EGR? . It seems that all the other years do.
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Old 06-30-2003, 05:12 PM   #2
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GM thought that they could design an engine that didn't need it. The EGR prevents NOx emissions. Unfortunately they learned that not having one burns out the valves on the engine and put it back in 1993.
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Old 06-30-2003, 06:33 PM   #3
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Default 92 SSE engine

So- you are saying that because I don't have an EGR on my 92 series I engine,
that I can look forward to burnt valves? I already have 102k on it? I hope that
isn't in my future? DAve
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Old 06-30-2003, 08:24 PM   #4
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Default 92 SSE Series 1

I guess I won't get too worried about it then. Everything is fine now and I have done
oil changes every 2k miles since I bought it in 95. The motor is in excellent condition
and still runs like new. Even if there was a problem, this car is like new and would be
worth the repair if needed. Bonnevilles forever!!!!!
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Old 06-30-2003, 08:44 PM   #5
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Default Re: 92 SSE Series 1

Quote:
Originally Posted by djr995
So- you are saying that because I don't have an EGR on my 92 series I engine,
that I can look forward to burnt valves? I already have 102k on it? I hope that
isn't in my future? DAve
Quote:
Originally Posted by djr995
I guess I won't get too worried about it then. Everything is fine now and I have done
oil changes every 2k miles since I bought it in 95. The motor is in excellent condition
and still runs like new. Even if there was a problem, this car is like new and would be
worth the repair if needed. Bonnevilles forever!!!!!
Well as a fellow 92 EGRless owner, I can tell you that changing out burnt exhaust valves is a real pain in the arse! I just did mine Friday & Saturday. If it wasn't for my mechanical abilities, it would cost you a whole lot of $$$$$ otherwise. I now run a Drilled 180 T-stat (w/2 - 1/16" holes, 180 degrees apart) to slow down this problem. You see, our engines run way hotter than the other 3800'*. The EGRless was & is notorious for burning valves & cracking exhaust manifolds, both of which have already happened to mine with only 160,000 km on it too!
GM realized their mistake by half way through the year, therefore the 93'* had an EGR Valve back on regardless of Emission Testing results.
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Old 06-30-2003, 10:52 PM   #6
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Best thing for you to do is buy a little insurance. Switch to the 180 thermostat and add a tranny cooler (yes, another one). This will buy you some time. Maybe prevent it altogether.
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Old 07-01-2003, 12:52 AM   #7
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Quote:
Originally Posted by willwren
Maybe prevent it altogether.
I hope this will!
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Old 07-01-2003, 02:34 AM   #8
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if you look at anyones engine from 93 on you should see a little black plastic piece. It'* a circular piece, with holes on the sides of it, i believe that is the EGR part, correct me if im wrong but thats what i remember from the repair manual..
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Old 07-01-2003, 02:44 AM   #9
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That'* true for Series1. We have the digital EGR valve. Series 2 now uses the Linear valve. I believe the 87-91 use a vacuum actuated EGR.
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Old 07-01-2003, 03:10 AM   #10
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Quote:
Originally Posted by willwren
That'* true for Series1. We have the digital EGR valve. Series 2 now uses the Linear valve. I believe the 87-91 use a vacuum actuated EGR.
My Chilton'* says all 1994-98 Bonnevilles use a linear EGR valve (VIN L).
Also says the digital EGR valve was used on all 1989-93 Bonnevilles (excluding 92).
As for before 89...the book is slightly confusing...plus I'm too tired to care right now.
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