Critical L36 Upper Intake Manifold Info....for 2000+ owners - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-23-2006, 09:51 PM   #21
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oh jeez... my bonne is 7 years old and I sincerely doubt that ANYONE has ever checked on that (given its past owner...). how much does that cost to get replaced? and so there'* NO way to end the cycle even after I replace the... lessee... upper intake? right?
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Old 10-23-2006, 09:56 PM   #22
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because i CERTAINLY can't do it myself
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Old 10-23-2006, 11:29 PM   #23
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Where do you live?

Maybe a local member can help.
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Old 10-23-2006, 11:39 PM   #24
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Quote:
Originally Posted by BillBoost37
Where do you live?

Maybe a local member can help.
That'll work just fine. That'* what we do.
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Old 10-24-2006, 08:49 AM   #25
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Quote:
Originally Posted by zuper8
and so there'* NO way to end the cycle even after I replace the... lessee... upper intake? right?
Actually, the aftermarket replacement kits are getting better all the time and we have a member, Bob Dillon, who rebuilds/modifies old UIMs in a manner that should prevent or at least seriously delay any future failure.

Additionally, the LIM gasket failure can now be eliminated by using the newly available GM aluminum-framed gaskets for about $60 at your local Pontiac dealer.

Costs will vary for the UIM replacement kits and all gaskets and seals, depending on which one you get and where you get them.
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Old 10-24-2006, 09:25 AM   #26
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I live in OH, Cincinnati area.
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Old 11-12-2006, 09:34 PM   #27
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Just had mine replaced at 57,000 ('01 SSEi). Dealer said the gasket was leaking so they changed it. Gotta love that extended warranty...
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Old 11-13-2006, 12:47 AM   #28
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Quote:
Originally Posted by EasyE
Just had mine replaced at 57,000 ('01 SSEi). Dealer said the gasket was leaking so they changed it. Gotta love that extended warranty...
This topic doesn't relate to the L67 engine in an SSEi. We're talking about the PLASTIC upper intake manifold of the L36.
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Old 04-01-2007, 03:22 PM   #29
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Quote:
> Fm Will Wren <

> I put it here because it relates to 1995-2005 (and even newer GP'*, not to mention the various Buick and Olds owners here). <
As recently discovered on my wife'* '97 LeSabre

Quote:
> Fm Lash <

> The replacement manifolds made after 2000 don't have any more real protection than the originals,
unless you consider a little heavier plastic material around the coolant passages sufficient.
As far as I know, there was no better EGR standpipe protection provided. <
Quote:
> Fm 19 Bonnie 95 <

> My uim was manufactured like in 2003 went out 3 months ago fixed with a one that is supposted to stop this problem. <
While yesterday, I discovered that there was a replacement made to my UIM, for it has a manufactured date of 3/23/03. And the issue has returned.
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Old 04-08-2007, 08:40 PM   #30
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alright.. so i checked for initial signs (at least from what I have read)..

the coolant is at the cold fill line (haven't driven in 5 hours)
the coolant is still pink (although maybe a hazy dark pink)
the dipstick just smells like oil and gas (nothing like coolant)
the engine cap was dry, but sticking my nose down in there i percieved a very faint hint of coolant.
engine runs just a half-tick below 200 on the temperature gauge unless at a long stop light, then it just touches the right side of the 200 hash.
the oil on the dipstick is very clean, honey colored (oil changed about 150 miles ago by the dealer before I drove it home)

does this sound all normal or no?

2004 SE, 39,200 miles

Assuming all is well right now, how soon do I need to worry about changing the LIM and UIM?
I'm a mechanical know-nothing, how much labor involved at the shop if I buy the parts that I've been reading about on here?
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