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Old 01-18-2012, 09:08 PM   #16
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Considering a Tahoe


I have been a Chevy man for years and Tahoes are wonderful trucks. I just got rid of one last year. With the little bit of rust on the door it is well worth it. The Vortec motors in these trucks are beasts. Put them under a heavy load and watch what they can do. The only thing that would really be of concern to me, is to see if they have had the intake manifold gasket changed yet. Vortec motors are notorious for IM leaks and headgasket malfunction. If it has been serviced and maintained as you say they will have had those at least checked out. My 01 had 220k on it and still ran like a charm.

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Old 01-18-2012, 09:36 PM   #17
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I have been a Chevy man for years and Tahoes are wonderful trucks. I just got rid of one last year. With the little bit of rust on the door it is well worth it. The Vortec motors in these trucks are beasts. Put them under a heavy load and watch what they can do. The only thing that would really be of concern to me, is to see if they have had the intake manifold gasket changed yet. Vortec motors are notorious for IM leaks and headgasket malfunction. If it has been serviced and maintained as you say they will have had those at least checked out. My 01 had 220k on it and still ran like a charm.
That's good to know. I plan on calling the owner tomorrow with a list of questions. Any idea what a replaced gasket costs? I'm guessing hundreds, but just curious.
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Old 01-19-2012, 11:42 AM   #18
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Considering a Tahoe


The gaskets themselves are cheap and if you have some mechanical aptitude you could knock them out within a few days time. Shops charge upwards of 1500 bucks
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Old 01-19-2012, 12:18 PM   #19
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The gaskets themselves are cheap and if you have some mechanical aptitude you could knock them out within a few days time. Shops charge upwards of 1500 bucks
That whole "intake gasket fiasco" of GMs just infuriates me. It went on for YEARS, and with their full knowledge of the problem. It's kind of like that one seal in the transmissions of the older Dodge Caravans. Chrysler could have used a higher quality seal and eliminated what was almost guaranteed transmission trouble, but they didn't. Instead of spending an extra dollar per vehicle, they knowingly let customers get soaked for anywhere from $1500 - $2500, and did so for many years.
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Old 01-19-2012, 12:43 PM   #20
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FWIW...talked with the owner and said that no engine problems. Beyond regularly scheduled maintenance, a new battery and alternator..nothing else.

I had heard that the transmission fluids...needed to be replaced at 100k is that something that should be looked at or does that depend?
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Old 01-19-2012, 01:08 PM   #21
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FWIW...talked with the owner and said that no engine problems. Beyond regularly scheduled maintenance, a new battery and alternator..nothing else.

I had heard that the transmission fluids...needed to be replaced at 100k is that something that should be looked at or does that depend?
That's just maintenance. Plus, everybody seems to have a different opinion about when/how often tranny fluid needs to be changed.

A good rule of thumb is that if the fluid is a nice pink/red color and doesn't stink, it's fine.
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Old 01-19-2012, 02:35 PM   #22
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Considering a Tahoe


I agree with drhicks on the transmission fluid ordeal. as far as the gaskets, I would test drive the heck out of it and see whether out not your thermostat goes up or the oil pressure fluctuates any.
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Old 01-19-2012, 03:20 PM   #23
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I agree with drhicks on the transmission fluid ordeal. as far as the gaskets, I would test drive the heck out of it and see whether out not your thermostat goes up or the oil pressure fluctuates any.
See if the thermostat goes up?
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Old 01-19-2012, 03:32 PM   #24
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Considering a Tahoe


FWIW, I had a 2000 Chevy Z71 (4wd) for almost 11 years. I drove it off the lot new, went through tires, battery, some brakes, odd stuff. Never once had an engine, tranny, or other major issue. I took good care of it (maint wise) washed waxed when it needed it. Garage kept, but living here in ohio I had the same rust bubbles inside the door. I only sold it for better gas and because the wife is six months pregnant, traded it in on an accord. Chevy trucks are rock solid in my opinion.

I also pulled a 6000 pound boat with supplies for four of those years
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Old 01-19-2012, 03:35 PM   #25
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I agree with drhicks on the transmission fluid ordeal. as far as the gaskets, I would test drive the heck out of it and see whether out not your thermostat goes up or the oil pressure fluctuates any.

At the mileage of the truck, I would have some fluids serviced. Flush the tranny, all three axles (front-transfercase-rear) flush the engine coolant, and have a GM master tech give it a once over.


Flushing these axles can let you now if a problem may exist. The magnet inside the front diff may pull out some debris, if so then the front diff may be going out.

As for the "gasket" issue, intake gasket leaks normally cause a rough idle cold, and or p0171-p0172 lean engine codes. If no ses lamp on I bet you are fine.

Last edited by D-rock; 01-19-2012 at 03:39 PM.
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Old 01-19-2012, 03:41 PM   #26
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Very well stated to the both of you guys
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Old 01-19-2012, 03:48 PM   #27
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Considering a Tahoe


I had a GMC Yukon. I loved that truck. Drove exceptionally well, was reliable and was just a great all around vehicle. Only sold it because I had two daughters reaching driving age and did not want them bashing into things. It *is* a big vehicle.

I would look into a last generation Honda Pilot with a hitch. I have one now and I love it. More economical than the Tahoe, has a built in fold down third seat, and will pull your lawn tractor around as good as anything.

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