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Old 03-05-2005, 12:26 PM   #1
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Smile Suburban as Tow Vehicle

Grrrh! Used Car salesmen. OK, I've got a 22 ft CCD and I've pretty well decided I want to tow it with a Suburban. I know I need a 4.1 rear end as well as extra cooling on the brake and transmission fluids and extendable towing mirrors. I'm sure I'll have to add the brake controller myself.

I'd far rather buy a used one than a new one and I'm aware of the piston slap issue so I'll be very careful. Trouble? Not one sales guy I've talked to has any idea HOW to tell what rear end is in any given vehicle. Knowing this forum is the source for ALL useful knowledge, please tell me so I can check for myself. Is there something in the VIN number or on the manufacturing plate that I can check?

I'm about ready to try E-Bay (yuck) and traderonline.com.

Thanks, Tin Lizzie
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Old 03-05-2005, 12:52 PM   #2
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On my Ford van you can decode it off the door sticker. The manual has instructions on decoding.

Never trust used car dealers. They know NOTHING! I once spent twenty minutes watching a Chevy salesman try to figure out how to open the trunk on a 68 vette. Here's a hint - 68 vettes don't have trunks! He just kept saying, 'hold on, I've almost got it'....

Good luck finding your perfect tow vehicle!
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Old 03-05-2005, 01:05 PM   #3
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Cool What's a man good for?

20 minutes if you're very, very lucky.

T. L.
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Old 03-05-2005, 01:07 PM   #4
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There used to be a sticker in the glove box on GM trucks. It would have a code that I would take to a GM parts dept. to have decipher. -----Pieman
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Old 03-05-2005, 02:09 PM   #5
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Suburban as Tow Vehicle

Greetings Tin Lizzie!

Quote:
Originally Posted by PaulaFord
Grrrh! Used Car salesmen. OK, I've got a 22 ft CCD and I've pretty well decided I want to tow it with a Suburban. I know I need a 4.1 rear end as well as extra cooling on the brake and transmission fluids and extendable towing mirrors. I'm sure I'll have to add the brake controller myself.

I'd far rather buy a used one than a new one and I'm aware of the piston slap issue so I'll be very careful. Trouble? Not one sales guy I've talked to has any idea HOW to tell what rear end is in any given vehicle. Knowing this forum is the source for ALL useful knowledge, please tell me so I can check for myself. Is there something in the VIN number or on the manufacturing plate that I can check?

I'm about ready to try E-Bay (yuck) and traderonline.com.

Thanks, Tin Lizzie
It is my understanding that the codes below would be of most interest for trailer towing on post-2000 Suburbans (there would be differences in the 1999 and before as they were of the older body style):

Z85 Suspension Package, Handling/Trailering, heavy-duty
GT4 Rear axle, 3.73 ratio
GU5 Rear axle, 3.23 ratio
GT5 Rear axle, 4.10 ratio
LQ4 Engine, Vortec 6000 V8 SFI, (335 HP @ 5200 rpm,
375 lb.-ft. @ 4000 rpm)
L18 Engine, Vortec 8100 V8 SFI, (320 HP @ 4200 rpm,
440 lb.-ft. @ 3200 rpm)
KG3 Alternator, 145 amps
C6P GVWR, 8600 lbs.
G80 Differential, locking, heavy-duty, rear
Z82 Trailering equipment, heavy-duty, includes trailering hitch
platform, 7-lead wiring connector, auxiliary transmission oil
cooler, trailer brake pre-wire harness and 7-way to 4-way
adapter
MT1 Transmission, 4-speed automatic, heavy-duty,
electronically controlled with overdrive, tow/haul mode and
(KNP) Cooling, external transmission oil cooler
KNP Cooling, auxiliary transmission oil cooler, heavy-duty
air-to-oil
K47 Air cleaner, high-capacity

Both of my GM SUVs have the optional equipment coding sheets on the inside of the glove box door ('99 GMC K2500 Suburban and '94 S-10 Blazer).

My '99 is the first Suburban that I have owned, but it is my second large SUV (the first was an '84 Jeep Grand Wagoneer -- full-size prior to downsizing). I find the station wagon style body to be so much more useful than the two pickups that I owned - - I doubt that I will ever purchase another pickup.

Good luck with your search!

Kevin
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Old 03-05-2005, 02:41 PM   #6
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Quote:
Originally Posted by PaulaFord
20 minutes if you're very, very lucky.

T. L.
Hmmm,
Let's see, original post made at 12:26 p.m. and good answer made at 1:07 p.m. Not bad at all.
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Old 03-05-2005, 04:50 PM   #7
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Suburban as a tow vehicle

The codes mentioned in the one of the other posts are RPO (regular published option) codes. There is typically a sticker in the glovebox with these codes.

You don't need the 4.10 rear to pull your 22 ft trailer if you can find a 3/4 ton. I have a 03 Suburban with the 6.0 and 3.73 rear, pulling a 25 ft. Sovereign and it works fine (well within the tow rating). Fuel economy runs 11.5 - 12 mpg towing.

I never imagined that I would end up with a burb. I test drove the pickups as well as the full-size van, and the burb came out on top.
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Old 03-05-2005, 05:26 PM   #8
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Post Overlander64

Thank you, thank you, thank you. I'm gonna go out and make some salesman's life hell now!

Tin Lizzie
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Old 03-05-2005, 06:19 PM   #9
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They have some great deals on new ones. $3500 back on a 2500 Crewcab pickup. Thats the seats of a burb and a place to put dirt.
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Old 03-05-2005, 06:25 PM   #10
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Arrow Sniff... boo hoo...

Well I just talked to a nice man in Kitty Hawk North Carolina who has an '04 DuraMax Crew Cab with 31,000 miles on it for $33,848. That's probably a pretty good deal, but is more than I really want to pay for a tow vehicle.

Says he can't find a Suburban with a tow package anywhere and he's hooked into the Chevy network.

Not gonna give up though, I'll just expand my search area.

sigh, Tin Lizzie
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Old 03-05-2005, 06:48 PM   #11
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Burb

That's approximately what I paid for my burb new. The markup on trade ins is substantial. Use online guides such as Kelly or Edmunds to help set a value.
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Old 03-05-2005, 07:49 PM   #12
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Quote:
Originally Posted by PaulaFord
Grrrh! Used Car salesmen. OK,

I'd far rather buy a used one than a new one Tin Lizzie
in the interest of propitiation....i will not comment.
norby:-)
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Old 03-05-2005, 07:56 PM   #13
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2wd or 4wd?

If you're ok w/2wd then:

http://www.cars.com/go/search/fs_sea...l&aff=national

It's 115 miles away and has the 6.0L engine. It's a 3/4 ton (not that you need that much for a 22') at Witmore Chevy Olds
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Old 03-05-2005, 07:58 PM   #14
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Suburban as Tow Vehicle

Greetings Tin Lizzie!

Quote:
Originally Posted by PaulaFord
Well I just talked to a nice man in Kitty Hawk North Carolina who has an '04 DuraMax Crew Cab with 31,000 miles on it for $33,848. That's probably a pretty good deal, but is more than I really want to pay for a tow vehicle.

Says he can't find a Suburban with a tow package anywhere and he's hooked into the Chevy network.

Not gonna give up though, I'll just expand my search area.

sigh, Tin Lizzie
If you haven't already discovered the GM Certified Used search tool, you can access the GM Certified Used vehicle inventory of every GM dealer via:

http://www.gmbuypower.com/cuvHome.cv...=001&year=2004

Good luck with your search!

Kevin
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