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Poor girl...

 
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geeksoldier
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Location: Fort Hood, TX

2002 Chevrolet Impala
2007 Chrysler Town and Country


PostPosted: Wed Aug 15, 2012 9:29 pm    Post subject:  Poor girl... Reply with quote

my 2002 'pala base model is sitting by her lonesome in a tranny shop, awaiting diff bearings that will stop the terrible ATF leak. After I get her back into my clutches, I'm going to fix that vacuum leak issue, and then take her back to the mean streets of Central Texas.

The tranny guys said that everything looks good inside (even the clutches and bands!) except for some diff bushings and my diff cover (huge dent in it) so I'm gonna write off that $500 as par for the course and drive on.

I really hope that my P0171 code is being thrown because of a bad UIM gasket, since that is what I bought for this weekend's repair. Does anyone know if a bad LIM on a 3.4 would cause a vac leak? (The leak is very evident, even while sitting in the car, and I've narrowed it down to the rear of the engine using high-tech methods, like spraying carb cleaner at various spots and listening to the revs at idle.)

Lo and behold, the engine revs quite nicely when I spray my diag tool at the mating surface of the UIM and LIM underneath the coilpaks. I'm hoping that replacing my UIM gasket is the answer. Thoughts?
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Dan
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PostPosted: Thu Aug 16, 2012 11:17 am    Post subject:   Reply with quote

Beater Economics says you shouldn't spend the money, but too late for you since you already cracked your wallet. Do the whole job and not just upper intake. If you do the intake gaskets yourself, make sure you keep the pushrods in order. Intake and exhaust are different. Follow the repair manual exactly and you'll be fine. Separate the fuel lines at the quick disconnects so you don't screw it up like the last guy who was asking questions.

And yeah, any broken intake gasket could throw a lean code, but internet speculation isn't worth anything.

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geeksoldier
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Joined: Aug 06, 2012
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Location: Fort Hood, TX

2002 Chevrolet Impala
2007 Chrysler Town and Country


PostPosted: Thu Aug 16, 2012 5:01 pm    Post subject:   Reply with quote

Thanks, Dan!
Got her back from the shop today, and the leaks are gone, and she shifts so much better now. Woo.

Regarding the gaskets, I suppose I could do the full set. I've scoured my manual, the forum, and the net for info on the procedure, and have a pretty good plan in place. The only part that I'm iffy on is who I'm going to invite to help and how much homebrew it will cost me.
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Lingenfelter
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Location: Ontario, Canada

2003 Chevrolet Impala
1999 Yugo Tempo


PostPosted: Thu Aug 16, 2012 5:19 pm    Post subject:   Reply with quote

geeksoldier wrote:
Thanks, Dan!
Got her back from the shop today, and the leaks are gone, and she shifts so much better now. Woo.

Regarding the gaskets, I suppose I could do the full set. I've scoured my manual, the forum, and the net for info on the procedure, and have a pretty good plan in place. The only part that I'm iffy on is who I'm going to invite to help and how much homebrew it will cost me.


You need some friends who know what they're doing and work for good BBQ Cool

I don't know enough about the 3400 to provide any input on your gasket work.

As far as beater economics goes... it all depends on how much elbow grease you're willing to use, and what condition the major components are in.

I just had a thread about wether to fix or scrap mine (been going on a week or two now) and I'm fixing it, but If it was a trans rebuild or replacement, I don't think I would have fixed it.

Nevertheless, you're into it now. See how long you can make it last! Dan can be helpful, even if he throws out comments that a lot of people don't like. He's alright by me.

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geeksoldier
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Joined: Aug 06, 2012
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Location: Fort Hood, TX

2002 Chevrolet Impala
2007 Chrysler Town and Country


PostPosted: Thu Aug 16, 2012 5:26 pm    Post subject:   Reply with quote

I bought this Impala in 2009 for $1,800, and have since put over 50,000 miles on her (including 2000 miles with a fully loaded 2,000lb trailer over hilly terrain). Major work that I've had to do so far includes front wheel hubs and tie rods. This round of tranny and vacuum issues popped up recently (at around 140k miles). As far as beaters go, this one has been my favorite.

I refuse to let this 'Pala die. She has performed so well since I've gotten back from Germany in 2008.
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Dan
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PostPosted: Thu Aug 16, 2012 5:42 pm    Post subject:   Reply with quote

Lingenfelter wrote:
I don't know enough about the 3400 to provide any input on your gasket work.

You're very fortunate there, 60deg motors are a lot more work than the 3800 to do the intake on. That Lingenfelter guy is alright too.

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geeksoldier
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Location: Fort Hood, TX

2002 Chevrolet Impala
2007 Chrysler Town and Country


PostPosted: Wed Sep 05, 2012 8:35 pm    Post subject:   Reply with quote

Got the gaskets installed. It was not entirely a fun job, but it is done. I was rather concerned by the misfires and lack of power at first, but once I plugged the spark plug wires into the right coils, she ran like a charm. Also, no leaks and no codes!

Thanks everyone for your help.

Next up: replacing the radiator fan assembly. Driving around Central Texas in Summer without a single working fan is harrowing.
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