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Chevy Suburban

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Andy

02-22-2003 05:33:04




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Hey Guys do any of you drive a Chevy Suburban? I am going to buy one soon and would like to know if there are any years to stay away from. I can only afford a used one maybe 95-98. I have looked at some with 80,000 to 120,00 miles and they have already had the tranny replaced. I just need 2 wheel drive and dual air since I live in Florida.
I wont be pulling anything heavy so I would prefer a high gear ratio. A few questions are: 1. Do most of the 1500's have a .373 or .411 rear end ? 2. What's the difference between LS and LT package? 3. If I found one with around 70K on it what repairs could I expect between 70K and maybe 120K ? 4. I need 3 bench seats for 9 passenger seating, are there certain models or years where this was more available? 5. Can you put headers and dual exhaust on the vortec 350's or will it mess up all the computer junk? Thanks for any advice. Andy

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Bishop

02-26-2003 17:24:39




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
I have a 91 2500 Suburban with 454, By far it's been the best vehicle I've ever had. I bought it used with 16K miles. I'll never buy another new vehicle again, a one or two year old is a great value. My 454 2500 2WD gets 15 mpg at 127,000 miles, does not spot while parked or moving. This truck was in the GM Paint Scandal, I failed to get GM to repaint for free but a local paint company gave me a great paint job for $300 three years ago. At 50,000 miles I found QMI, an engine treatment, that I now have in both my vehicles. At 127K the 454 does not burn any oil. I change the oil at 3500 miles. The QMI increased the MPG.

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Glenn(WV)

02-26-2003 19:20:04




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 Re: Re: Chevy Suburban in reply to Bishop, 02-26-2003 17:24:39  
Bishop, I agree with you, buying a one- or two-year-old vehicle is a great way to do it! Let someone else eat the depreciation.



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Chuck, WA

02-24-2003 12:42:45




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
In late '86 I bought a 1/2T, 2WD, Chevy Suburban Silverado with the 6.2 diesel engine and automatic tranny. It was a "brass hat" which I think they now refer to as program cars, with 4400 miles on it. I think I paid around $16k cash from a dealer not known for his fairness.

That was the best car I ever owned. Had around 250,000 miles on the original engine and tranny when a lady driving too fast on an incy bridge spun out and totalled it a couple of years ago. I'd be driving another if I could afford the $35k to replace it with new and comparable. Insurance company wanted to give me I think it was around $2800 for it due to high miles. I did my research on the internet and showed them enough others going for lots more than that with higher miles, and also that nowadays, 15k miles per year is not high miles by any stretch, especially in an SUV, then showed them that compared to other comparable cars, it was actually medium to low miles. Ended up getting around $4000 for it - still not what it was worth to me, but sure closer to fair.

If you can get the diesel, consider it...best decision in a car I ever made. Over 20 mpg compared to the 12-15 folks with a comparable gas Suburban were getting.

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Gene Davis

02-23-2003 20:09:36




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
Have had 2,a 91 GMC Suburban, it was ok, sold it and bought the 93 we have now that a doctor bought new, he changes vehicles at 100k miles he said, and he went 20k over this time because he had just had a mr goodwrench auto/overdrive trans installed in it. It is not a vortec, so it only gets about 15mpg. loaded or unloaded it is loaded with most options except 4x4, and I don't want that one. We use it mostly for traveling and it has the front & rear air, the tailgate w/wiper and I prefer that to the barn doors in the rear, it eliminates the blind spot from the middle door post on barn doors. It finally put me down last week at 189k miles, the fuel pump quit, was not too bad a job to replace other than getting the fuel tank emptied of gas (42 gal tank), like the fact that with a large tank I can pick the place I want to fill up. It is very comfortable to drive and ride and the towing rate is about equal to a pickup of the same 1500, or 2500 series. It needs a towing package if you do much heavy towing and adding an extra trans cooler is good insurance, they last longer when the fluid stays cool. I have the local trans. shop flush mine, about every 30k miles on their machine rather than just drop the pan and change filter and 3 or 4 qts of oil. also don't do any heavy towing in overdrive, use regular drive to make the trans. last longer and also the engine helps with the braking. The Vortec 5.7 engines,(have 2 of them,97 gmc pu & 97 tahoe) seem to be bad about the intake manifold/water jacket gaskets giving way about 100-120k miles, this is a booger to replace! Other than that they have been good engines. They consistently yield about 17 mpg. Am intending to drive the 93 suburban 250-300k miles. Will be driving it to Ft.Walton Beach, Fla. and to Atlanta Ga, next month, then to Wilmington,N.C. the next month. SLE and SLT are different levels of trim think the SLT is the higher level with maybe leather seats. I have the SLE and like it because the cloth seat are not as hot in the summer, and not as cold in the winter. Have to reccomend the Suburban Very highly in my own case. Gene Davis Tennille, Ga.

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Glenn(WV)

02-22-2003 19:26:04




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
As far as looking for one, you might want to go to www.autotrader.com. I found the truck I bought on there. You can specify how you want it(gas, diesel, auto, manual, 4x2, 4x4, mileage, etc.) and it will search for you. I highly recommend it!!



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G Taylor

02-22-2003 13:55:04




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
I used to purchased used vehicles since I couldn't afford new. After spending the price of trading up to a new vehicle for repairs on an old vehicle. It occured to me we still had just an old vehicle. Didn't matter if the repair workmenship was faulty or not, I ended up paying for it one way or another anyways. Buy new and trade every six to 12 months now. Cheapest wheels I've ever driven.



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Ludwig - nother thought

02-22-2003 12:10:08




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
If you don't get four wheel drive consider having a limited slip differential put in. Since Florida is largely flat and rarely has ice the limited slip, or better yet a locking diff will get you through some amazing slippery places.
Where its icy a limited slip can help you do some amazing donuts.
Where its hilly a powered front axle can help you maintain control on slippery downhill areas.

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MN Mike

02-22-2003 11:59:18




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
I have had 3 suburbans & many chev pick ups. A suburban is truely a pick up with a passenger body. My first suburban was an 84. It was also the worst. Next was an 85 & it ran forever. Had an 88 2500 pickup that is still strong in the motor (350) at 360000miles. Has had two trannies & 1 rear end. Had an 89 3500 with a 454 - towing truck - ran to 265000 & was rebuilt with standard spec parts. Just bought a 93 with 123000 on it & it has a new trannie. Motor is completely dry underneath & runs perfect. My experience tells me that these 350's will make at least 250000 miles IF the oil is changed regularly (3000 for mine) & they are NOT overheated. I think that it's a good idea to change coolant every year - NOT to use this new 100000 mile stuff. Have heard of many problems with it. Do go for the 4 wheel drive option. It will cost you 1 - 2 MPG, but get you out of lots of difficulties. Great vehicle, best of luck.

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ShepFL

02-22-2003 10:27:47




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
Andy -
You may want to reconsider that 4X4 option. I moved from N. Idaho to N. FL 20 yrs. ago. I laughed my arse off at all the 4x4s. Over time I have come to appreciate the need for them in FL.

Lots of rain here which makes for a sloppy mess when in the fields, pulling out of river bottoms (fishing where no ramp), hauling out old iron or just out hunting on the back roads.

The Mrs. has a '93 4x4 Yukon that is nice rig. It has 240K+ plus miles and still running strong. Has the 5.7L (305) which in my opinion is a little weak. Only normal maintenance so far, one alternator and p/s pump hose. I have a '90 K3500 Silverado that is a great truck. It has the 7.4L TBI (454). It is my tractor hauler. Rig has always run well but with gas prices what they are it only sees weekly runs to the dump and an occasional tractor haul.

I have always been a Chevy man and not been disappointed though some of my friends have had problematic rigs. On the Vortec headers I am sure something will get goofy. The 373 gearing is common and most times you have to ask for the 411.

Check out www.alldata.com. I found some good info there on the Yukon.

TIDBIT - Fuel pump recently went out in Yukon. It is located inside the fuel tank. Truck died at the house. Few smacks on the tank bottom from a single bit axe head kept it running long enough until I could get it fixed properly.
FWIW

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Irv

02-22-2003 11:05:40




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 Re: Re: Chevy Suburban in reply to ShepFL, 02-22-2003 10:27:47  
I agree with your comments about the Yukon. My wife has 94 Blazer - (Full size) and it has been great - 200,000 miles and no problems. But a 5.7L engine is a 350 chevy - a great engine, one that I have been told by mechanics is a 250,000 mile engine. I work for GM in tne powertrain division, and the rough equivelincy of liters to cubic inches is that 1 liter = 61 cubic inches. I have enjoyed your posts the last few years. Irv from MI.

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ShepFL

02-24-2003 05:36:38




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 Re: Re: Re: Chevy Suburban in reply to Irv, 02-22-2003 11:05:40  
Irv -
Thanks for the kind words. I just hope I can pass along some information others may find useful.

As to the motors, I mis-typed 305 and you are correct 350. I just wish the motor has some more "ooomph". Seems rather sluggish but then the whole rig rides like a hiway car. Really nice rig and plan to rebuild motor this coming fall/winter. Cheaper than new truck payments :)



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Matthew

02-22-2003 09:18:22




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
We have a 96'model and just had to get the entire brake system redone because it was pulling to one side when the brakes were applied. Don't get me wrong, we love it. The only advice that I have for you is to not get a 96' model. Our personal mechanic said that 96' was a bad year from his experience.



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Ludwig

02-22-2003 05:48:55




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 Re: Chevy Suburban in reply to Andy, 02-22-2003 05:33:04  
As far as I know the Suburban is just a pickup with a different body. Pretty sure the trans/engine/etc is all the same across the lines, that'd make sense to me anyway, why build extra?
I've got an '88 GMC 1500 pickup with 90k, and had an '88 Jimmy, in the late '80s early 90's trucks stuff would be similar.
After 70k look for: Alternator, waterpump, battery, brakes, bulbs, tires.
My '88 Jimmy needed a new 1st gear synchro at 88k, we did the clutch at the same time. The '88 pickup has had no trans work.
I sold the Jimmy with 152,000 because the body was rotton. The Pickup only has a little rust that will be fixed this spring.

In general I've found GM trucks to be very reliable, with a caveat. It seems that quality control is very poor so you either get a very good truck or a very problematic truck. Both of mine are(were) very good, I've talked to plenty of people that had bad ones. With any luck by 70k you'll have weeded out the bad ones.
I'd almost think it'd be better to get one with fewer new parts as its probably more likely to be one of the better trucks although you'll have more things to replace. Once you've replaced those parts you'll know more about its history also. Because of fewer replaced parts you might be able to get a lower purchase price.

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Keith

05-09-2004 09:15:57




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 Re: Re: Chevy Suburban in reply to Ludwig, 02-22-2003 05:48:55  
A couple of years ago, I purchased a '93 GMC Suburban with 139,000 miles. Since then, I have replaced the engine with a Mr. Goodwrench crate 350, installed a new radiator, and upgraded the tires to 285-75-16. To my dismay, these modifications have hurt the performance of my Suburban. I now have 3/4 of the power I used to have with a worn out engine as well as 5 mpg less fuel economy. I realize that the I was sacrifycing gas mileage with the tires, but not that much power. Does anyone have any ideas of what might be wrong. The diagnostic computer says that everything is working alright. Thanks.

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