Head gasket procedure for Grand AM w/ 2.3L Quad OHC
Thread Starter
PopaDopaDo
True Car Nut
Joined: Jan 2005
Posts: 4,957
Likes: 4
From: NY
Originally Posted by vital49
You sure it'* a headgasket issue? That'* a pretty unlikely failure on a 3400. More than likely, it'* the LIM gaskets.
Check out 60degreev6.com for the entire procedure on the fix.
Check out 60degreev6.com for the entire procedure on the fix.
He told me it was diagnosed by two mechanics, thats all I know. I haven't even seen it run yet; its just been sitting in the driveway all week.
btw its a 94 GA. I just found oout the year last night.
Thread Starter
PopaDopaDo
True Car Nut
Joined: Jan 2005
Posts: 4,957
Likes: 4
From: NY
ok, getting anopther error here (60degreev6) too. All i'm doing is a search on head gasket.
Warning: Cannot use a scalar value as an array in /search.php on line 2179
He'* on his own.
Warning: Cannot use a scalar value as an array in /search.php on line 2179
He'* on his own.
Junior Member
Joined: Mar 2003
Posts: 1
Likes: 5
From: Purgatory
Ahh... 1994. It'* not a 3400, but a 3.4 DOHC. That'* two different engines. Not sure www.60degreev6.com could help you with this engine.
Head gasket failures are a common issue in the 3.4.
Head gasket failures are a common issue in the 3.4.
Thread Starter
PopaDopaDo
True Car Nut
Joined: Jan 2005
Posts: 4,957
Likes: 4
From: NY
Originally Posted by DarkShadow
The 94 Grand AM did not come with the 3.4 DOHC, it came with the 3100 v6.
The 94 Grand PRIX came with the dohc engine.
The 94 Grand PRIX came with the dohc engine.
Thread Starter
PopaDopaDo
True Car Nut
Joined: Jan 2005
Posts: 4,957
Likes: 4
From: NY
Ok, today I'm over there with the refrigerator repairman and told them it can't be the 3400, it would have to be the 3100v6. I get "its not a v6, its a 4 cylinder" for a response. 
So it may be the dreaded Quad 4 head gasket. I'm taking my compression tester over and at least confirm that for them.
So it may be the dreaded Quad 4 head gasket. I'm taking my compression tester over and at least confirm that for them.
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Originally Posted by popatim
Ok, today I'm over there with the refrigerator repairman and told them it can't be the 3400, it would have to be the 3100v6. I get "its not a v6, its a 4 cylinder" for a response.
So it may be the dreaded Quad 4 head gasket. I'm taking my compression tester over and at least confirm that for them.
So it may be the dreaded Quad 4 head gasket. I'm taking my compression tester over and at least confirm that for them.
If its a 3100 it will have the 8th character of the vin as an " M "... Also it will say 3100 on the top of the engine
And if its the Quad... That'll be a lot of fun
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