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Old 02-19-2018, 03:45 PM   #1
ampecsu
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1995 SL2
Default Very quick EGR valve question

1995 sl2 (98 motor.)..Over-tightened and broke egr valve while fixing vacuum leak.

Swap guide was little confusing here.

What is the highest year I can pull from to replace? 98?

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Old 02-19-2018, 06:43 PM   #2
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Default Re: Very quick EGR valve question

> I'm not sure-

I think the big change was from thermostatic to electric , about '96.

What i do is look up the part from Autozone/Advanced for your year ('98), and then check if the same part comes up in the lookup for , say 2000, 2001 (etc).

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Old 02-19-2018, 06:50 PM   #3
ampecsu
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1995 SL2
Default Re: Very quick EGR valve question

thanks. looks like at least 94-99

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Old 02-19-2018, 07:26 PM   #4
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by ampecsu View Post
thanks. looks like at least 94-99
How are you using a 1998 engine assembly, in a 1995?

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

Last edited by Saturn Night; 02-19-2018 at 07:32 PM..

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Old 02-19-2018, 09:40 PM   #5
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1998 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by ampecsu View Post
1995 sl2 (98 motor.)..Over-tightened and broke egr valve while fixing vacuum leak.

Swap guide was little confusing here.

What is the highest year I can pull from to replace? 98?
The EGR (electric) is the same 94-98.

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Old 02-19-2018, 09:42 PM   #6
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1998 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by Saturn Night View Post
How are you using a 1998 engine assembly, in a 1995?
Open or remove hood and install, direct swap except for injectors, all other external parts bolt on.

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Old 02-20-2018, 01:08 AM   #7
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by OldNuc View Post
The EGR (electric) is the same 94-98.
1991-1994 Saturn S-Series, ALL engines, used a ported vacuum-operated, mechanical EGR valve.

1995-1998 Electronic EGR valves will interchange.

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

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Old 02-20-2018, 01:09 AM   #8
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by OldNuc View Post
Open or remove hood and install, direct swap except for injectors, all other external parts bolt on.
Incorrect, again. Go to www.wholesalegmpartsonline.com, and you will see that a complete engine assembly for 1995 Saturn S-Series is a stand-a-lone year.

This is why I want the OP to explain how he is supposedly using a 1998 model year engine, in his 1995 model Saturn.

I already know the injectors are different. That is not the only difference preventing a 1998 model year from being transplanted into a 1995 model.

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

Last edited by Saturn Night; 02-20-2018 at 01:15 AM..

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Old 02-20-2018, 07:16 AM   #9
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Default Re: Very quick EGR valve question

Saturn Night has it right.

94 was the last vacuum actuated.

I have had 3 94s, and still have my 95.

Quite certain on it.

...
driveable

92 SC2
93 SC2
95 SC2
96 SC2
97 SL2
97 SC2
02 SC2
02 SL2

parts
2 94 SC2 parted out
2 96 SC2
97 SL2 - cooked engine
98 SC2 - rusty frame. Donor engine for above SL2

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Old 02-20-2018, 07:50 AM   #10
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1998 SC2
Default Re: Very quick EGR valve question

You are both incorrect, the 94 CA emissions car uses the electric EGR. That 94 CA emissions car was sold into multiple states that adopted the stricter CA emissions. This is where the angle EGR seat to flat EGR seat adapter originated from.

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Old 02-20-2018, 07:52 AM   #11
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1998 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by Saturn Night View Post
Incorrect, again. Go to www.wholesalegmpartsonline.com, and you will see that a complete engine assembly for 1995 Saturn S-Series is a stand-a-lone year.

This is why I want the OP to explain how he is supposedly using a 1998 model year engine, in his 1995 model Saturn.

I already know the injectors are different. That is not the only difference preventing a 1998 model year from being transplanted into a 1995 model.
Quit running off to some idiot listing as it is less than correct. The engine is in his car and runs.

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Old 02-20-2018, 08:11 AM   #12
ampecsu
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1995 SL2
Default Re: Very quick EGR valve question

...Well the shop put in three years ago what was said to be a '98 ... thats all I know.

The egr I pulled and put on yesterday was from a 99 after checking autozone part vehicle fitment...did I make an oopsy??

the other 2 egr valves either looked oily or too gunky. (still cleaned the one I have before installing)

Any other non-s-series I could check that used the same part if I did in fact goof???

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Old 02-20-2018, 12:39 PM   #13
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1998 SC2
Default Re: Very quick EGR valve question

The 99 is fine. The EGR is the same for all S-Series applications that use the electric EGR 94-99. The remainder that use the same EGR.

CHEVROLET ASTRO 1995
CHEVROLET BLAZER 1995
CHEVROLET S10 PICKUP 1995
GMC JIMMY 1995
GMC SAFARI 1995
GMC SONOMA 1995
SATURN SC COUPE 1994-1999
SATURN SL SEDAN 1994-1999
SATURN SW WAGON 1994-1999


If it works you are fine.

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Old 02-20-2018, 07:52 PM   #14
Saturn Night
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by OldNuc View Post
Quit running off to some idiot listing as it is less than correct. The engine is in his car and runs.
That is the part numbers, photos, AND interchange information from GM.

Stop trying to argue, just for the sake of arguing.

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

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Old 02-20-2018, 08:13 PM   #15
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by ampecsu View Post
...Well the shop put in three years ago what was said to be a '98 ... thats all I know.

The egr I pulled and put on yesterday was from a 99 after checking autozone part vehicle fitment...did I make an oopsy??

the other 2 egr valves either looked oily or too gunky. (still cleaned the one I have before installing)

Any other non-s-series I could check that used the same part if I did in fact goof???
1995-1999 is the EGR interchange, according to GM, and it is Saturn S-Series ONLY.

Part number of a photo, 1996 Saturn S-Series shows to be 21006601.

GM Parts Direct lists this part number as Fitment to 1995-1999 Saturn S-Series, and it is discontinued. GM Parts Direct orders DIRECTLY from GM, for their supply.

1994 Saturn S-Series does NOT come with a FACTORY linear EGR valve. The adapter piece does show in parts diagrams, amd may have been used by special order from California GM dealerships, but factory EGRs were ported vacuum.

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

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Old 02-20-2018, 08:56 PM   #16
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1998 SC2
Default Re: Very quick EGR valve question

Lat time

All CA emissions certified 94 models used the Electric EGR. This model with CA certification was also mandated to be the only S-Series sold new in several other states.

If this is too complex for you to figure out then just PM Low Saturn and he might explain it to you.

Almost every catalog listing you can find has serious errors in it. They are not exactly unimpeachable sources.

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Old 02-20-2018, 10:31 PM   #17
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Default Re: Very quick EGR valve question

^^^ +1

My '94 came with a linear (electric) EGR valve, and one of my '95s has a '97 engine in it.

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Old 02-20-2018, 11:38 PM   #18
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by billr View Post
^^^ +1

My '94 came with a linear (electric) EGR valve, and one of my '95s has a '97 engine in it.
So, how is your coolant gauge working?

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

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Old 02-20-2018, 11:54 PM   #19
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1995 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by ampecsu View Post
...Well the shop put in three years ago what was said to be a '98 ... thats all I know.
I would start looking around you engine bay for butchered wiring, and either your intake manifold/cylinder head, then.

I have a 1995 SC2, with a bad engine. Needs a set of valve seals and a set of rings, and some holes drilled into the pistons. I have been calling around, searching the net, and driving to a variety of salvage yards for replacement cylinder heads, possible teardown/rebuild of the current engine, or a junkyard engine to swap into it that will not burn as much oil.

The COMPLETE engine assembly MUST come from a 1995 Saturn S-Series. If they claim they have installed a 1998 engine, into your 1995 model, they have either made some modifications to your wiring harness and the engine they installed, or they misinformed you of the exact year engine they used.

And I know what the two differences are, between the 1995 engine and the 1996-1998 engine years.

...
"What does a Saturn owner do, at the gas station?"

"He checks the gas, and fills the oil....."

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Old 02-21-2018, 01:03 AM   #20
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2001 SC2
Default Re: Very quick EGR valve question

Quote:
Originally Posted by Saturn Night View Post
<3ish posts worth of snip>...And I know what the two differences are, between the 1995 engine and the 1996-1998 engine years.
Careful...you're starting to channel your inner rbar.


If just the EGR broke then you'll be fine taking it from any '94(Cali Emission) -'98. Probably '99-'02 as well, but I wouldn't be surprised if they "officially" changed the response characteristic's of the valve while keeping everything else the same (meaning it'll physically interchange but may not functionally interchange).

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